diff --git a/draft-ietf-core-dns-over-coap.html b/draft-ietf-core-dns-over-coap.html
index b630f60..ad0f2f3 100644
--- a/draft-ietf-core-dns-over-coap.html
+++ b/draft-ietf-core-dns-over-coap.html
@@ -1037,7 +1037,7 @@
 </tr></thead>
 <tfoot><tr>
 <td class="left">Lenders, et al.</td>
-<td class="center">Expires 13 May 2024</td>
+<td class="center">Expires 20 May 2024</td>
 <td class="right">[Page]</td>
 </tr></tfoot>
 </table>
@@ -1050,12 +1050,12 @@
 <dd class="internet-draft">draft-ietf-core-dns-over-coap-latest</dd>
 <dt class="label-published">Published:</dt>
 <dd class="published">
-<time datetime="2023-11-10" class="published">10 November 2023</time>
+<time datetime="2023-11-17" class="published">17 November 2023</time>
     </dd>
 <dt class="label-intended-status">Intended Status:</dt>
 <dd class="intended-status">Standards Track</dd>
 <dt class="label-expires">Expires:</dt>
-<dd class="expires"><time datetime="2024-05-13">13 May 2024</time></dd>
+<dd class="expires"><time datetime="2024-05-20">20 May 2024</time></dd>
 <dt class="label-authors">Authors:</dt>
 <dd class="authors">
 <div class="author">
@@ -1119,7 +1119,7 @@ <h2 id="name-status-of-this-memo">
         time. It is inappropriate to use Internet-Drafts as reference
         material or to cite them other than as "work in progress."<a href="#section-boilerplate.1-3" class="pilcrow">¶</a></p>
 <p id="section-boilerplate.1-4">
-        This Internet-Draft will expire on 13 May 2024.<a href="#section-boilerplate.1-4" class="pilcrow">¶</a></p>
+        This Internet-Draft will expire on 20 May 2024.<a href="#section-boilerplate.1-4" class="pilcrow">¶</a></p>
 </section>
 </div>
 <div id="copyright">
@@ -1253,19 +1253,22 @@ <h2 id="name-copyright-notice">
             <p id="section-toc.1-1.12.1"><a href="#appendix-B" class="auto internal xref">Appendix B</a>.  <a href="#name-change-log" class="internal xref">Change Log</a></p>
 <ul class="compact toc ulBare ulEmpty">
 <li class="compact toc ulBare ulEmpty" id="section-toc.1-1.12.2.1">
-                <p id="section-toc.1-1.12.2.1.1"><a href="#appendix-B.1" class="auto internal xref">B.1</a>.  <a href="#name-since-draft-ietf-core-dns-o" class="internal xref">Since draft-ietf-core-dns-over-coap-03</a></p>
+                <p id="section-toc.1-1.12.2.1.1"><a href="#appendix-B.1" class="auto internal xref">B.1</a>.  <a href="#name-since-draft-ietf-core-dns-o" class="internal xref">Since [draft-ietf-core-dns-over-coap-04]</a></p>
 </li>
               <li class="compact toc ulBare ulEmpty" id="section-toc.1-1.12.2.2">
-                <p id="section-toc.1-1.12.2.2.1"><a href="#appendix-B.2" class="auto internal xref">B.2</a>.  <a href="#name-since-draft-ietf-core-dns-ov" class="internal xref">Since draft-ietf-core-dns-over-coap-02</a></p>
+                <p id="section-toc.1-1.12.2.2.1"><a href="#appendix-B.2" class="auto internal xref">B.2</a>.  <a href="#name-since-draft-ietf-core-dns-ov" class="internal xref">Since draft-ietf-core-dns-over-coap-03</a></p>
 </li>
               <li class="compact toc ulBare ulEmpty" id="section-toc.1-1.12.2.3">
-                <p id="section-toc.1-1.12.2.3.1"><a href="#appendix-B.3" class="auto internal xref">B.3</a>.  <a href="#name-since-draft-ietf-core-dns-ove" class="internal xref">Since draft-ietf-core-dns-over-coap-01</a></p>
+                <p id="section-toc.1-1.12.2.3.1"><a href="#appendix-B.3" class="auto internal xref">B.3</a>.  <a href="#name-since-draft-ietf-core-dns-ove" class="internal xref">Since draft-ietf-core-dns-over-coap-02</a></p>
 </li>
               <li class="compact toc ulBare ulEmpty" id="section-toc.1-1.12.2.4">
-                <p id="section-toc.1-1.12.2.4.1"><a href="#appendix-B.4" class="auto internal xref">B.4</a>.  <a href="#name-since-draft-ietf-core-dns-over" class="internal xref">Since draft-ietf-core-dns-over-coap-00</a></p>
+                <p id="section-toc.1-1.12.2.4.1"><a href="#appendix-B.4" class="auto internal xref">B.4</a>.  <a href="#name-since-draft-ietf-core-dns-over" class="internal xref">Since draft-ietf-core-dns-over-coap-01</a></p>
 </li>
               <li class="compact toc ulBare ulEmpty" id="section-toc.1-1.12.2.5">
-                <p id="section-toc.1-1.12.2.5.1"><a href="#appendix-B.5" class="auto internal xref">B.5</a>.  <a href="#name-since-draft-lenders-dns-ove" class="internal xref">Since draft-lenders-dns-over-coap-04</a></p>
+                <p id="section-toc.1-1.12.2.5.1"><a href="#appendix-B.5" class="auto internal xref">B.5</a>.  <a href="#name-since-draft-ietf-core-dns-over-" class="internal xref">Since draft-ietf-core-dns-over-coap-00</a></p>
+</li>
+              <li class="compact toc ulBare ulEmpty" id="section-toc.1-1.12.2.6">
+                <p id="section-toc.1-1.12.2.6.1"><a href="#appendix-B.6" class="auto internal xref">B.6</a>.  <a href="#name-since-draft-lenders-dns-ove" class="internal xref">Since draft-lenders-dns-over-coap-04</a></p>
 </li>
             </ul>
 </li>
@@ -1959,105 +1962,120 @@ <h2 id="name-evaluation">
       <h2 id="name-change-log">
 <a href="#appendix-B" class="section-number selfRef">Appendix B. </a><a href="#name-change-log" class="section-name selfRef">Change Log</a>
       </h2>
-<div id="since-draft-ietf-core-dns-over-coap-03">
+<div id="since-draft-ietf-core-dns-over-coap-04">
 <section id="appendix-B.1">
         <h3 id="name-since-draft-ietf-core-dns-o">
-<a href="#appendix-B.1" class="section-number selfRef">B.1. </a><a href="#name-since-draft-ietf-core-dns-o" class="section-name selfRef">Since <a href="https://datatracker.ietf.org/doc/html/draft-ietf-core-dns-over-coap-03">draft-ietf-core-dns-over-coap-03</a></a>
+<a href="#appendix-B.1" class="section-number selfRef">B.1. </a><a href="#name-since-draft-ietf-core-dns-o" class="section-name selfRef">Since [draft-ietf-core-dns-over-coap-04]</a>
         </h3>
 <ul class="normal">
 <li class="normal" id="appendix-B.1-1.1">
-            <p id="appendix-B.1-1.1.1">Amended Introduction with short contextualization of constrained environments<a href="#appendix-B.1-1.1.1" class="pilcrow">¶</a></p>
+            <p id="appendix-B.1-1.1.1">Add note on cachable OSCORE<a href="#appendix-B.1-1.1.1" class="pilcrow">¶</a></p>
 </li>
           <li class="normal" id="appendix-B.1-1.2">
-            <p id="appendix-B.1-1.2.1">Add <a href="#sec_evaluation" class="auto internal xref">Appendix A</a> on evaluation<a href="#appendix-B.1-1.2.1" class="pilcrow">¶</a></p>
+            <p id="appendix-B.1-1.2.1">Address early IANA review<a href="#appendix-B.1-1.2.1" class="pilcrow">¶</a></p>
 </li>
         </ul>
 </section>
 </div>
-<div id="since-draft-ietf-core-dns-over-coap-02">
+<div id="since-draft-ietf-core-dns-over-coap-03">
 <section id="appendix-B.2">
         <h3 id="name-since-draft-ietf-core-dns-ov">
-<a href="#appendix-B.2" class="section-number selfRef">B.2. </a><a href="#name-since-draft-ietf-core-dns-ov" class="section-name selfRef">Since <a href="https://datatracker.ietf.org/doc/html/draft-ietf-core-dns-over-coap-02">draft-ietf-core-dns-over-coap-02</a></a>
+<a href="#appendix-B.2" class="section-number selfRef">B.2. </a><a href="#name-since-draft-ietf-core-dns-ov" class="section-name selfRef">Since <a href="https://datatracker.ietf.org/doc/html/draft-ietf-core-dns-over-coap-03">draft-ietf-core-dns-over-coap-03</a></a>
         </h3>
 <ul class="normal">
 <li class="normal" id="appendix-B.2-1.1">
-            <p id="appendix-B.2-1.1.1">Move implementation details to Implementation Status (in accordance with <span>[<a href="#RFC7942" class="cite xref">RFC7942</a>]</span>)<a href="#appendix-B.2-1.1.1" class="pilcrow">¶</a></p>
+            <p id="appendix-B.2-1.1.1">Amended Introduction with short contextualization of constrained environments<a href="#appendix-B.2-1.1.1" class="pilcrow">¶</a></p>
 </li>
           <li class="normal" id="appendix-B.2-1.2">
-            <p id="appendix-B.2-1.2.1">Recommend root path to keep the CoAP options small<a href="#appendix-B.2-1.2.1" class="pilcrow">¶</a></p>
-</li>
-          <li class="normal" id="appendix-B.2-1.3">
-            <p id="appendix-B.2-1.3.1">Set Content-Format for application/dns-message to 553<a href="#appendix-B.2-1.3.1" class="pilcrow">¶</a></p>
-</li>
-          <li class="normal" id="appendix-B.2-1.4">
-            <p id="appendix-B.2-1.4.1">SVCB/DNR: Move to Server Selection Section but leave TBD based on DNSOP discussion for now<a href="#appendix-B.2-1.4.1" class="pilcrow">¶</a></p>
-</li>
-          <li class="normal" id="appendix-B.2-1.5">
-            <p id="appendix-B.2-1.5.1">Clarify that DoC and DoC are disjunct<a href="#appendix-B.2-1.5.1" class="pilcrow">¶</a></p>
-</li>
-          <li class="normal" id="appendix-B.2-1.6">
-            <p id="appendix-B.2-1.6.1">Clarify mapping between DoC and DoH<a href="#appendix-B.2-1.6.1" class="pilcrow">¶</a></p>
-</li>
-          <li class="normal" id="appendix-B.2-1.7">
-            <p id="appendix-B.2-1.7.1">Update considerations on unencrypted use<a href="#appendix-B.2-1.7.1" class="pilcrow">¶</a></p>
-</li>
-          <li class="normal" id="appendix-B.2-1.8">
-            <p id="appendix-B.2-1.8.1">Don't call OSCORE end-to-end encrypted<a href="#appendix-B.2-1.8.1" class="pilcrow">¶</a></p>
+            <p id="appendix-B.2-1.2.1">Add <a href="#sec_evaluation" class="auto internal xref">Appendix A</a> on evaluation<a href="#appendix-B.2-1.2.1" class="pilcrow">¶</a></p>
 </li>
         </ul>
 </section>
 </div>
-<div id="since-draft-ietf-core-dns-over-coap-01">
+<div id="since-draft-ietf-core-dns-over-coap-02">
 <section id="appendix-B.3">
         <h3 id="name-since-draft-ietf-core-dns-ove">
-<a href="#appendix-B.3" class="section-number selfRef">B.3. </a><a href="#name-since-draft-ietf-core-dns-ove" class="section-name selfRef">Since <a href="https://datatracker.ietf.org/doc/html/draft-ietf-core-dns-over-coap-01">draft-ietf-core-dns-over-coap-01</a></a>
+<a href="#appendix-B.3" class="section-number selfRef">B.3. </a><a href="#name-since-draft-ietf-core-dns-ove" class="section-name selfRef">Since <a href="https://datatracker.ietf.org/doc/html/draft-ietf-core-dns-over-coap-02">draft-ietf-core-dns-over-coap-02</a></a>
         </h3>
 <ul class="normal">
 <li class="normal" id="appendix-B.3-1.1">
-            <p id="appendix-B.3-1.1.1">Specify DoC server role in terms of DNS terminology<a href="#appendix-B.3-1.1.1" class="pilcrow">¶</a></p>
+            <p id="appendix-B.3-1.1.1">Move implementation details to Implementation Status (in accordance with <span>[<a href="#RFC7942" class="cite xref">RFC7942</a>]</span>)<a href="#appendix-B.3-1.1.1" class="pilcrow">¶</a></p>
 </li>
           <li class="normal" id="appendix-B.3-1.2">
-            <p id="appendix-B.3-1.2.1">Clarify communication of DoC to DNS infrastructure is agnostic of the transport<a href="#appendix-B.3-1.2.1" class="pilcrow">¶</a></p>
+            <p id="appendix-B.3-1.2.1">Recommend root path to keep the CoAP options small<a href="#appendix-B.3-1.2.1" class="pilcrow">¶</a></p>
 </li>
           <li class="normal" id="appendix-B.3-1.3">
-            <p id="appendix-B.3-1.3.1">Add subsection on how to implement DNS Push in DoC<a href="#appendix-B.3-1.3.1" class="pilcrow">¶</a></p>
+            <p id="appendix-B.3-1.3.1">Set Content-Format for application/dns-message to 553<a href="#appendix-B.3-1.3.1" class="pilcrow">¶</a></p>
 </li>
           <li class="normal" id="appendix-B.3-1.4">
-            <p id="appendix-B.3-1.4.1">Add appendix on reference implementation<a href="#appendix-B.3-1.4.1" class="pilcrow">¶</a></p>
+            <p id="appendix-B.3-1.4.1">SVCB/DNR: Move to Server Selection Section but leave TBD based on DNSOP discussion for now<a href="#appendix-B.3-1.4.1" class="pilcrow">¶</a></p>
+</li>
+          <li class="normal" id="appendix-B.3-1.5">
+            <p id="appendix-B.3-1.5.1">Clarify that DoC and DoC are disjunct<a href="#appendix-B.3-1.5.1" class="pilcrow">¶</a></p>
+</li>
+          <li class="normal" id="appendix-B.3-1.6">
+            <p id="appendix-B.3-1.6.1">Clarify mapping between DoC and DoH<a href="#appendix-B.3-1.6.1" class="pilcrow">¶</a></p>
+</li>
+          <li class="normal" id="appendix-B.3-1.7">
+            <p id="appendix-B.3-1.7.1">Update considerations on unencrypted use<a href="#appendix-B.3-1.7.1" class="pilcrow">¶</a></p>
+</li>
+          <li class="normal" id="appendix-B.3-1.8">
+            <p id="appendix-B.3-1.8.1">Don't call OSCORE end-to-end encrypted<a href="#appendix-B.3-1.8.1" class="pilcrow">¶</a></p>
 </li>
         </ul>
 </section>
 </div>
-<div id="since-draft-ietf-core-dns-over-coap-00">
+<div id="since-draft-ietf-core-dns-over-coap-01">
 <section id="appendix-B.4">
         <h3 id="name-since-draft-ietf-core-dns-over">
-<a href="#appendix-B.4" class="section-number selfRef">B.4. </a><a href="#name-since-draft-ietf-core-dns-over" class="section-name selfRef">Since <a href="https://datatracker.ietf.org/doc/html/draft-ietf-core-dns-over-coap-00">draft-ietf-core-dns-over-coap-00</a></a>
+<a href="#appendix-B.4" class="section-number selfRef">B.4. </a><a href="#name-since-draft-ietf-core-dns-over" class="section-name selfRef">Since <a href="https://datatracker.ietf.org/doc/html/draft-ietf-core-dns-over-coap-01">draft-ietf-core-dns-over-coap-01</a></a>
         </h3>
 <ul class="normal">
 <li class="normal" id="appendix-B.4-1.1">
-            <p id="appendix-B.4-1.1.1">SVGify ASCII art<a href="#appendix-B.4-1.1.1" class="pilcrow">¶</a></p>
+            <p id="appendix-B.4-1.1.1">Specify DoC server role in terms of DNS terminology<a href="#appendix-B.4-1.1.1" class="pilcrow">¶</a></p>
 </li>
           <li class="normal" id="appendix-B.4-1.2">
-            <p id="appendix-B.4-1.2.1">Move section on "DoC Server Considerations" (was Section 5.1) to its own draft
-(<a href="https://datatracker.ietf.org/doc/draft-lenders-dns-cns/">draft-lenders-dns-cns</a>)<a href="#appendix-B.4-1.2.1" class="pilcrow">¶</a></p>
+            <p id="appendix-B.4-1.2.1">Clarify communication of DoC to DNS infrastructure is agnostic of the transport<a href="#appendix-B.4-1.2.1" class="pilcrow">¶</a></p>
 </li>
           <li class="normal" id="appendix-B.4-1.3">
-            <p id="appendix-B.4-1.3.1">Replace layer violating statement for CON with statement of fact<a href="#appendix-B.4-1.3.1" class="pilcrow">¶</a></p>
+            <p id="appendix-B.4-1.3.1">Add subsection on how to implement DNS Push in DoC<a href="#appendix-B.4-1.3.1" class="pilcrow">¶</a></p>
 </li>
           <li class="normal" id="appendix-B.4-1.4">
-            <p id="appendix-B.4-1.4.1">Add security considerations on ID=0<a href="#appendix-B.4-1.4.1" class="pilcrow">¶</a></p>
+            <p id="appendix-B.4-1.4.1">Add appendix on reference implementation<a href="#appendix-B.4-1.4.1" class="pilcrow">¶</a></p>
 </li>
         </ul>
 </section>
 </div>
-<div id="since-draft-lenders-dns-over-coap-04">
+<div id="since-draft-ietf-core-dns-over-coap-00">
 <section id="appendix-B.5">
-        <h3 id="name-since-draft-lenders-dns-ove">
-<a href="#appendix-B.5" class="section-number selfRef">B.5. </a><a href="#name-since-draft-lenders-dns-ove" class="section-name selfRef">Since <a href="https://datatracker.ietf.org/doc/html/draft-lenders-dns-over-coap-04">draft-lenders-dns-over-coap-04</a></a>
+        <h3 id="name-since-draft-ietf-core-dns-over-">
+<a href="#appendix-B.5" class="section-number selfRef">B.5. </a><a href="#name-since-draft-ietf-core-dns-over-" class="section-name selfRef">Since <a href="https://datatracker.ietf.org/doc/html/draft-ietf-core-dns-over-coap-00">draft-ietf-core-dns-over-coap-00</a></a>
         </h3>
 <ul class="normal">
 <li class="normal" id="appendix-B.5-1.1">
-            <p id="appendix-B.5-1.1.1">Removed change log of draft-lenders-dns-over-coap<a href="#appendix-B.5-1.1.1" class="pilcrow">¶</a></p>
+            <p id="appendix-B.5-1.1.1">SVGify ASCII art<a href="#appendix-B.5-1.1.1" class="pilcrow">¶</a></p>
+</li>
+          <li class="normal" id="appendix-B.5-1.2">
+            <p id="appendix-B.5-1.2.1">Move section on "DoC Server Considerations" (was Section 5.1) to its own draft
+(<a href="https://datatracker.ietf.org/doc/draft-lenders-dns-cns/">draft-lenders-dns-cns</a>)<a href="#appendix-B.5-1.2.1" class="pilcrow">¶</a></p>
+</li>
+          <li class="normal" id="appendix-B.5-1.3">
+            <p id="appendix-B.5-1.3.1">Replace layer violating statement for CON with statement of fact<a href="#appendix-B.5-1.3.1" class="pilcrow">¶</a></p>
+</li>
+          <li class="normal" id="appendix-B.5-1.4">
+            <p id="appendix-B.5-1.4.1">Add security considerations on ID=0<a href="#appendix-B.5-1.4.1" class="pilcrow">¶</a></p>
+</li>
+        </ul>
+</section>
+</div>
+<div id="since-draft-lenders-dns-over-coap-04">
+<section id="appendix-B.6">
+        <h3 id="name-since-draft-lenders-dns-ove">
+<a href="#appendix-B.6" class="section-number selfRef">B.6. </a><a href="#name-since-draft-lenders-dns-ove" class="section-name selfRef">Since <a href="https://datatracker.ietf.org/doc/html/draft-lenders-dns-over-coap-04">draft-lenders-dns-over-coap-04</a></a>
+        </h3>
+<ul class="normal">
+<li class="normal" id="appendix-B.6-1.1">
+            <p id="appendix-B.6-1.1.1">Removed change log of draft-lenders-dns-over-coap<a href="#appendix-B.6-1.1.1" class="pilcrow">¶</a></p>
 </li>
         </ul>
 </section>
diff --git a/draft-ietf-core-dns-over-coap.txt b/draft-ietf-core-dns-over-coap.txt
index 4112538..5b7115c 100644
--- a/draft-ietf-core-dns-over-coap.txt
+++ b/draft-ietf-core-dns-over-coap.txt
@@ -5,14 +5,14 @@
 CoRE                                                       M. S. Lenders
 Internet-Draft                                                TU Dresden
 Intended status: Standards Track                               C. Amsüss
-Expires: 13 May 2024                                                    
+Expires: 20 May 2024                                                    
                                                              C. Gündoğan
                                                      Huawei Technologies
                                                            T. C. Schmidt
                                                              HAW Hamburg
                                                              M. Wählisch
                                         TU Dresden & Barkhausen Institut
-                                                        10 November 2023
+                                                        17 November 2023
 
 
                           DNS over CoAP (DoC)
@@ -53,7 +53,7 @@ Status of This Memo
    time.  It is inappropriate to use Internet-Drafts as reference
    material or to cite them other than as "work in progress."
 
-   This Internet-Draft will expire on 13 May 2024.
+   This Internet-Draft will expire on 20 May 2024.
 
 Copyright Notice
 
@@ -101,11 +101,12 @@ Table of Contents
      10.2.  Informative References
    Appendix A.  Evaluation
    Appendix B.  Change Log
-     B.1.  Since draft-ietf-core-dns-over-coap-03
-     B.2.  Since draft-ietf-core-dns-over-coap-02
-     B.3.  Since draft-ietf-core-dns-over-coap-01
-     B.4.  Since draft-ietf-core-dns-over-coap-00
-     B.5.  Since draft-lenders-dns-over-coap-04
+     B.1.  Since [draft-ietf-core-dns-over-coap-04]
+     B.2.  Since draft-ietf-core-dns-over-coap-03
+     B.3.  Since draft-ietf-core-dns-over-coap-02
+     B.4.  Since draft-ietf-core-dns-over-coap-01
+     B.5.  Since draft-ietf-core-dns-over-coap-00
+     B.6.  Since draft-lenders-dns-over-coap-04
    Acknowledgments
    Authors' Addresses
 
@@ -666,7 +667,13 @@ Appendix A.  Evaluation
 
 Appendix B.  Change Log
 
-B.1.  Since draft-ietf-core-dns-over-coap-03
+B.1.  Since [draft-ietf-core-dns-over-coap-04]
+
+   *  Add note on cachable OSCORE
+
+   *  Address early IANA review
+
+B.2.  Since draft-ietf-core-dns-over-coap-03
       (https://datatracker.ietf.org/doc/html/draft-ietf-core-dns-over-
       coap-03)
 
@@ -675,7 +682,7 @@ B.1.  Since draft-ietf-core-dns-over-coap-03
 
    *  Add Appendix A on evaluation
 
-B.2.  Since draft-ietf-core-dns-over-coap-02
+B.3.  Since draft-ietf-core-dns-over-coap-02
       (https://datatracker.ietf.org/doc/html/draft-ietf-core-dns-over-
       coap-02)
 
@@ -697,7 +704,7 @@ B.2.  Since draft-ietf-core-dns-over-coap-02
 
    *  Don't call OSCORE end-to-end encrypted
 
-B.3.  Since draft-ietf-core-dns-over-coap-01
+B.4.  Since draft-ietf-core-dns-over-coap-01
       (https://datatracker.ietf.org/doc/html/draft-ietf-core-dns-over-
       coap-01)
 
@@ -710,7 +717,7 @@ B.3.  Since draft-ietf-core-dns-over-coap-01
 
    *  Add appendix on reference implementation
 
-B.4.  Since draft-ietf-core-dns-over-coap-00
+B.5.  Since draft-ietf-core-dns-over-coap-00
       (https://datatracker.ietf.org/doc/html/draft-ietf-core-dns-over-
       coap-00)
 
@@ -724,7 +731,7 @@ B.4.  Since draft-ietf-core-dns-over-coap-00
 
    *  Add security considerations on ID=0
 
-B.5.  Since draft-lenders-dns-over-coap-04
+B.6.  Since draft-lenders-dns-over-coap-04
       (https://datatracker.ietf.org/doc/html/draft-lenders-dns-over-
       coap-04)