Google
Domain verification
google-site-verification=oiThnnWc1Cvx_85ojOCX06c5aadlYQh7akyNqY_vZrg
Question and response
Question
dig smtp001-sa3.mail-messaging.com. TXT
Answer
smtp001-sa3.mail-messaging.com. 60 TXT "google-site-verification=oiThnnWc1Cvx_85ojOCX06c5aadlYQh7akyNqY_vZrg"
Authority
mail-messaging.com. 172800 NS ns-1318.awsdns-36.org.
mail-messaging.com. 172800 NS ns-1790.awsdns-31.co.uk.
mail-messaging.com. 172800 NS ns-235.awsdns-29.com.
mail-messaging.com. 172800 NS ns-792.awsdns-35.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0