Google
Domain verification
google-site-verification=L1Kop60h1JVssrtDYF2c4reK00abcU9U1-sdC-bNoS8
Mail.ru
Domain verification
mailru-verification: 929ac2b949865568
All the action is at https://www.smtp2go.com.
Question and response
Question
dig smtp2go.net. TXT
Answer
smtp2go.net. 300 TXT "All the action is at https://www.smtp2go.com."
smtp2go.net. 300 TXT "google-site-verification=L1Kop60h1JVssrtDYF2c4reK00abcU9U1-sdC-bNoS8"
smtp2go.net. 300 TXT "mailru-verification: 929ac2b949865568"
smtp2go.net. 300 TXT "v=spf1 include:spf.smtp2go.com ip4:192.155.81.199/32 -all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0