DOMAINS CHANGES SERVICES CERTS API

protonmail.com

Observed 2026-06-13T08:05:40.592Z (4h ago). Every field below was attested with an Ed25519 signature at scan time.

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Ed25519 Receipt

Receipt ID
fb6e44f5-d9e3-44ec-9317-ea158d16ac11
Output Hash
65b66d959d90ca7bed44ca8c60cbe66a6249577c27375829222be13f1ea7d967
Signature
ed25519:a9079ac798d10a38ac06c3dd2172af1230d9e664769ea097dc227c3e5a83b0d7b2c9fac781d5c3b976e5947225a8907e3a8f183ec368c4972afc11d3b3f55f07
Public Key
ed25519:d3f6015a95abdad7e8166ad80938a5885500170bb75f8cdb425b8fd2772bec29
Parent
(genesis)
Plane
fast
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DNS Records

A 1

  • 185.70.42.12

MX 2

  • {"priority":5,"exchange":"mail.protonmail.ch"}
  • {"priority":10,"exchange":"mailsec.protonmail.ch"}

TXT 11

  • mailru-verification: 14505c6eb222c847
  • yandex-verification: 6059b187e78de544
  • v=spf1 include:_spf.protonmail.ch ~all
  • google-site-verification=RVUCKIFDkg-Spau8kEohQRsgyHEBUQcVehZqF6PAQcQ
  • google-site-verification=aq9zJnp3H3bNE0Y4D4rH5I5Dhj8VMaLYx0uQ7Rozfgg
  • google-site-verification=uXVNQLivTppnZssXHtMY7QVn70Mpd0x2U8pKj324Krk
  • ahrefs-site-verification_4bdac6bbaa81e0d591d7c0f3ef238905c0521b69bf3d74e64d3775bcb2743afd
  • brave-ledger-verification=66a7f27fb99949cc0c564ab98efcc58ea1bac3e97eb557c782ab2d44b49aefd7
  • v=DMARC1; p=quarantine; fo=1; aspf=s; adkim=s;
  • v=BIMI1; l=; a=;

NS 3

  • ns1.protonmail.com
  • ns2.protonmail.com
  • ns3.protonmail.com

SOA 1

  • {"mname":"ns1.protonmail.com","rname":"support.protonmail.ch","serial":2502172360,"refresh":1200,"retry":144,"expire":1814400,"minimum":7200}

CAA 4

  • {"flag":0,"tag":"iodef","value":"\"mailto:security@proton.me\""}
  • {"flag":0,"tag":"issue","value":"\"digicert.com\""}
  • {"flag":0,"tag":"issue","value":"\"letsencrypt.org\""}
  • {"flag":0,"tag":"issue","value":"\"sectigo.com\""}

TLS Certificates (2)

Common NameIssuerExpires
protonmail.com C=US, O=Let's Encrypt, CN=R13 Wed, 05 Aug 2026 13:13:17 +0000
R13 C=US, O=Internet Security Research Group, CN=ISRG Root X1 Fri, 12 Mar 2027 23:59:59 +0000

Subdomains (4)