Opt-In Software Blog

Resolve External IP

by Vitaly, Wednesday, July 1st, 2015 URL to resolve IPv4 address: http://ipv4.test-ipv6.com/ip/?callback=_jqjsp&asn=1&testdomain=test-ipv6....

IPv6 support for DNS Server

by Vitaly, Friday, June 12th, 2015 DNS Server 1.49 has been released. Added the ability to send requests to the IPv6 DNS servers. Now DNSHost, DNS...

Account Verifier 1.31

by Vitaly, Tuesday, May 19th, 2015 Account Verifier 1.31 has been released. In new version:  “Dictionary Mode” works together with “Extract Server...

User Agents

by Vitaly, Monday, April 27th, 2015 “User-Agent” HTTP header allows to identify Internet Explorer version. Look the following article to learn more...

Old Blog Posts

by Vitaly, Tuesday, March 31st, 2015 You can read old blog posts at http://blog.optinsoft.net/