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Gridlode
Rank #9,095Updated November 10, 2026

protonmail.com

Proton Mail: Get a free email account with privacy and encryption | Proton

protonmail.com is registered with MarkMonitor Inc. since August 21, 2010 (16.2 years). The registration expires on August 21, 2028. The site runs on Astro, Content Security Policy, HSTS and 2 other technologies. Its email security grade is C. Its SSL certificate is issued by Let's Encrypt and is valid for 68 more days.

Domain age
16.2 yrs
Technologies
5
Email security
C
SSL days left
68

Registration

RegistrarMarkMonitor Inc.
IANA ID292
RegisteredAugust 21, 2010
ExpiresAugust 21, 2028
UpdatedJuly 20, 2026
Statusclient delete prohibited, client transfer prohibited, client update prohibited, server delete prohibited, server transfer prohibited, server update prohibited
Name serversns1.protonmail.com, ns2.protonmail.com, ns3.protonmail.com
DNSSECSigned

DNS records

TypeValueTTL
A185.70.42.12764
MXmail.protonmail.ch 5496
MXmailsec.protonmail.ch 10496
NSns1.protonmail.com1200
NSns2.protonmail.com1200
NSns3.protonmail.com1200
CAAiodef 0 mailto:[email protected]1200
CAAissue 0 digicert.com1200
CAAissue 0 letsencrypt.org1200
CAAissue 0 sectigo.com1200
TXTmailru-verification: 14505c6eb222c8471200
TXTyandex-verification: 6059b187e78de5441200
TXTv=spf1 include:_spf.protonmail.ch ~all1200
TXTgoogle-site-verification=RVUCKIFDkg-Spau8kEohQRsgyHEBUQcVehZqF6PAQcQ1200
TXTgoogle-site-verification=aq9zJnp3H3bNE0Y4D4rH5I5Dhj8VMaLYx0uQ7Rozfgg1200
TXTgoogle-site-verification=uXVNQLivTppnZssXHtMY7QVn70Mpd0x2U8pKj324Krk1200
TXTahrefs-site-verification_4bdac6bbaa81e0d591d7c0f3ef238905c0521b69bf3d74e64d3775bcb2743afd1200
TXTbrave-ledger-verification=66a7f27fb99949cc0c564ab98efcc58ea1bac3e97eb557c782ab2d44b49aefd71200

Technology stack

JavaScript framework
UI framework
Video

SSL certificate

ValidValid
IssuerUS, YR2, Let's Encrypt
ExpiresJanuary 17, 2027
Days remaining68
ProtocolTLSv1.3
Namesaccount.protonvpn.com, app.protonmail.ch, beta.protonmail.com, mail.protonmail.com, old.protonmail.com, pm.me, protonmail.ch, protonmail.com, protonvpn.com, secure.protonmail.com

Email security

CScore 71/100 across SPF, DMARC, DKIM, MTA-STS and BIMI.
  • warnDMARC has no rua= address, so you receive no reports about mail sent as your domain.
  • warnNo DKIM key found at common selectors (google, selector1, selector2, default, k1, k2, s1, s2, ...). DKIM may still use a custom selector we cannot guess.
  • goodSPF record found.
  • goodSPF ends with ~all: servers you have not listed are marked as suspicious (soft fail).
  • goodDMARC policy is quarantine: failing mail goes to spam. Move to p=reject for full protection.
  • good2 MX record(s) found. Mail is handled by Proton Mail.
  • goodMTA-STS is enforced: other servers must use verified TLS when sending you mail.
  • goodTLS-RPT is set up: you receive reports about failed encrypted deliveries.
  • goodBIMI record found: supporting inboxes can show your brand logo.

Homepage metadata

TitleProton Mail: Get a free email account with privacy and encryption | Proton
DescriptionProton Mail is the world’s largest secure email service with over 100 million users. Available on Web, iOS, Android, and desktop. Protected by Swiss privacy law.
Languageen
Canonicalhttps://proton.me/mail
Structured dataWebPage, Corporation, WebSite, SoftwareApplication, FAQPage
IndexableYes
Word count2009

About protonmail.com

Who is the registrar of protonmail.com?

protonmail.com is registered with MarkMonitor Inc. (IANA ID 292).

When does protonmail.com expire?

The current registration of protonmail.com expires on August 21, 2028. It was first registered on August 21, 2010.

What technology does protonmail.com use?

We detected 5 technologies on protonmail.com, including Astro, Content Security Policy, HSTS, Tailwind CSS, YouTube.

Does protonmail.com protect its email with SPF and DMARC?

protonmail.com scores 71/100 (grade C) for email security. DMARC has no rua= address, so you receive no reports about mail sent as your domain. No DKIM key found at common selectors (google, selector1, selector2, default, k1, k2, s1, s2, ...). DKIM may still use a custom selector we cannot guess.

What are the name servers of protonmail.com?

protonmail.com uses ns1.protonmail.com, ns2.protonmail.com, ns3.protonmail.com.