Domain · Tranco #10,632

protonmail.com

protonmail.com is ranked #10,632 among the world's most-visited sites (Tranco). It resolves to 185.70.42.12, hosted on 185-70-42-12.protonmail.ch, and presents a TLS certificate issued by Let's Encrypt. It is registered through MarkMonitor Inc. (since 2010-08-21).

HTTP 301
Tranco rank#10,632
IPv4185.70.42.12
Hosting / reverse DNS185-70-42-12.protonmail.ch
Nameserversns1.protonmail.com, ns2.protonmail.com, ns3.protonmail.com
Mail servers (MX)mail.protonmail.ch (5), mailsec.protonmail.ch (10)
HTTP status301 → https://protonmail.com/
TLS certificateLet's Encrypt · expires 2026-09-29
RegistrarMarkMonitor Inc.
Registered2010-08-21
Expires2028-08-21
Registry nameserversns1.protonmail.com, ns2.protonmail.com, ns3.protonmail.com

Notable DNS TXT records

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FAQ

What is the IP address of protonmail.com?

protonmail.com resolves to 185.70.42.12 (185-70-42-12.protonmail.ch).

Who is the registrar for protonmail.com?

protonmail.com is registered through MarkMonitor Inc., first registered on 2010-08-21.

Who issued the SSL certificate for protonmail.com?

The TLS/SSL certificate for protonmail.com was issued by Let's Encrypt, valid until 2026-09-29.

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DNS/HTTP/TLS observed 2026-08-06; registration data via RDAP. Informational only. Download JSON · CSV · Browse domains