…TXT | _dmarc | [RFC7489] | | TXT | _domainkey | [RFC6376] | | TXT | _mta-sts | [RFC8461] | | TXT | _spf | [RFC7208] | | TXT | _sztp | [ZEROTOUCH] | | TXT | _tcp | [RFC6763] | | TXT | _udp | [RFC6763] | | TXT | _vouch | [RFC5518] | | URI | _acct | [RFC6118] | | URI | _dccp | [RFC7…
… _dmarc | [ RFC7489 ] | | TXT | _domainkey | [ RFC6376 ] | | TXT | _mta-sts | [ RFC8461 ] | | TXT | _spf | [ RFC7208 ] | | TXT | _sztp | [ ZEROTOUCH ] | | TXT | _tcp | [ RFC6763 ] | | TXT | _udp | [ RFC6763 ] | | TXT | _vouch | [ RFC5518 ] | | URI | _acct | [ RFC6118 ] | | URI | …
…I 10.17487/RFC8460, September 2018, <https://www.rfc-editor.org/info/rfc8460>. [RFC8461] Margolis, D., Risher, M., Ramakrishnan, B., Brotman, A., and J. Jones, "SMTP MTA Strict Transport Security (MTA- STS)", RFC 8461, DOI 10.17487/RFC8461, September 2018, <https://www.rfc-editor…