v1.6.0

• Dropped support for Ruby 2.5, the minimal supported version is 2.6
• Fixed #63: exceptions from reverse resolv

v1.5.1

• update the list of DuckDuckGo IPs

v1.5.0

• Amazon AdBot

v1.4.5

• updated the list of Twitter IPs
• updated the list of Google crawler user agent strings

v1.4.4

• updated the list of Facebook crawler User-Agent strings

v1.4.3

• updated the list of Oracle bot IP addresses

v1.4.2

• returned Petal search engine back, since their Web page is back alive

1.4.1

• updated the list of DuckDuckGo IP addresses

v1.4.0

• dropped support for Petalbot: #40

1.3.0

• Petal bot, part of Huawei Media Services. Credit: @allaud