DNS Report: protonmail.com

Generated: 2026-08-10T01:03:37-05:00

89/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/301 IPv4 address(es) detected.
ERRORIPv6 (AAAA)0/100 IPv6 address(es) detected.
OKName server redundancy20/203 NS record(s); 2 or more required.
OKSOA record10/10Authoritative zone record.
OKDNSSEC chain15/15DS and DNSKEY detected.
OKCAA policy5/5Certificate authority restriction.
OKDNS propagation10/10Agreement between public resolvers.
OKMX records20/202 MX record(s).
OKSPF25/25SPF policy published.
OKDMARC25/25DMARC policy published.
OKDKIM20/20A DKIM selector was verified.
OKMTA-STS5/5Mail transport policy.
OKTLS-RPT5/5TLS reporting policy.
OKValid TLS certificate55/5550 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
WARNINGHTTP security headers19/355 of 9 evaluated headers detected.
OKPTR reverse DNS30/30PTR: 185-70-42-12.protonmail.ch
WARNINGIPv4 diversity20/35Two or more IPv4 addresses receive full points.
ERRORIPv6 connectivity0/35AAAA availability.
OKDNS resolution40/40At least one address family must resolve.
OKHTTP response40/40HTTP/2 200
OKHTTPS final URL20/20Final URL uses HTTPS.

DNS Records

TipoValues
A
185.70.42.12
AAAA
CNAME
MX
5 mail.protonmail.ch.
10 mailsec.protonmail.ch.
TXT
"yandex-verification: 6059b187e78de544"
"mailru-verification: 14505c6eb222c847"
"google-site-verification=RVUCKIFDkg-Spau8kEohQRsgyHEBUQcVehZqF6PAQcQ"
"brave-ledger-verification=66a7f27fb99949cc0c564ab98efcc58ea1bac3e97eb557c782ab2d44b49aefd7"
"google-site-verification=uXVNQLivTppnZssXHtMY7QVn70Mpd0x2U8pKj324Krk"
"v=spf1 include:_spf.protonmail.ch ~all"
"ahrefs-site-verification_4bdac6bbaa81e0d591d7c0f3ef238905c0521b69bf3d74e64d3775bcb2743afd"
"google-site-verification=aq9zJnp3H3bNE0Y4D4rH5I5Dhj8VMaLYx0uQ7Rozfgg"
NS
ns2.protonmail.com.
ns1.protonmail.com.
ns3.protonmail.com.
SOA
ns1.protonmail.com. support.protonmail.ch. 2502172514 1200 144 1814400 7200
CAA
0 issue "sectigo.com"
0 issue "digicert.com"
0 iodef "mailto:security@proton.me"
0 issue "letsencrypt.org"
DS
44693 13 2 9F8A2A3CEEE67B747C4CF7D52E6EB0DFD309FD363FD0D059DE66E966 7D038115
DNSKEY
257 3 13 VRvrqp0hFPeZdrFLfO9f/rtqZg/mlxCAgqkIeeGkTuAmCRLciJv995/2 aU1cvGDuKEMVuH23v8OdgqkqqtLIYA==
256 3 13 a99hiIsSCxd/tXoMy1N5A0bqStx2ULvlBQ8KNOiBITu7cMsjjaMOKz7+ Ww3dKvc7U/HepwLRAml9AOTueCa1mA==
RRSIG
TXT 13 2 1200 20260818192703 20260719191234 56075 protonmail.com. +5DJ6nBL17GwDWdaVHzYx0yB7ldydL7eaMib6Tf9894/P2Q467cSMvap IAkap724kgk11KnL6sqIxj8TajU4eg==
SOA 13 2 1200 20260908232049 20260809222049 56075 protonmail.com. grIJ0s/k5tl1c4ezogAPr/TNuP6CMWjtgBU3VHLwVcwl/b5VLDpbfLo8 XHavyljFPVd46J2sO+8lGV7+omURgw==
DNSKEY 13 2 1200 20260829235450 20260730234516 56075 protonmail.com. S/tk6zpEXrDGPjizGtYKS8FfC5sAeTu/4cWJb2dhsUM8asYn3RXVA5rp 1NJ3plChVjoOT43HvLXCA/tumvpRVg==
DNSKEY 13 2 1200 20260829235450 20260730234516 44693 protonmail.com. q4K8zXOv4fn74C1SWJgVrS76c2L6uFlmmkRcZU3e/GSq6d0GWRvwS/Lb YKnahPB4rh2OBMS//P4cDaHEtR8rfg==
NS 13 2 1200 20260818192703 20260719191234 56075 protonmail.com. x2R+ocxk14GLZ8TdY/O7lIiCofWtO54QAGv8ETjkWb8a+NnULPpiEFmf eg3dvhazTebC6sCT7ysxH6Ht/q4nWA==
A 13 2 1200 20260818192703 20260719191234 56075 protonmail.com. sNslRnpOS44+07tsuvN3bo5CJ2CO+HUAClcvIsdPK4DFUSL89BHR3xPv xS/O4oyOPzZH/FFyI78GpeCirH/obA==
MX 13 2 1200 20260818192703 20260719191234 56075 protonmail.com. gWErz8h9pOOfsd2jFLZ6Hbt459PpCi89L25GKXHqUQ504pPx2WH9pClB 6BnsGXSZa/w+xVWgpg40FK4YEAsV9w==
DS 13 2 86400 20260815025152 20260808014152 41446 com. /pmmzRTXo6djuvkzDBRX1wnOgg57HTdHwE2K710KlCAxmzJg7UF6EPyu mYef1HaW/cHtmzhGPrWl0h9unuKU0A==
CAA 13 2 1200 20260818192703 20260719191234 56075 protonmail.com. OwGekU7TTxuEbeucJW9aHnvKjiDJNfvy1vnUyCz0O19jCzf8qMuzSKFo wz7daH/nDlHinzxFr8Npv5bUNkwtlw==
NSEC3PARAM 13 2 0 20260822015550 20260723010917 56075 protonmail.com. geL2roMUoA35o/7NKH2USmP1XLKvnPP2SQfuJtzfo8/yC8Nbw1GKwkOo hCR5dFF3AWR2jx2yK9fl90wuw3DICQ==
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP