MX
1 aspmx.l.google.com
10 alt3.aspmx.l.google.com
10 alt4.aspmx.l.google.com
5 alt1.aspmx.l.google.com
5 alt2.aspmx.l.google.com
TXT
"slack-domain-verification=BvDkzUjeURMYo81BwZXEBG6Ubilu4ZHMTWBaTJjQ"
"v=spf1 include:_spf.google.com ~all"
"verification_token=z7Hdi9RGp6lYwAYcTHrxCRG6s"