app.protonmail.com - robtex.com

app.protonmail.com

DNSSEC⚠️ Not signed
MXmail.protonmail.ch ⭐
A176.119.200.128🇨🇭 Proton176.119.200.0/24
PTRmail.protonmail.ch
A185.70.42.128🇨🇭 Proton185.70.42.0/24
PTRmail.protonmail.ch
A185.205.70.128🇫🇷 Proton185.205.70.0/24
PTRmail.protonmail.ch
MXmailsec.protonmail.ch(20)
A176.119.200.129🇨🇭 Proton176.119.200.0/24
PTRmailsec.protonmail.ch
A185.70.42.129🇨🇭 Proton185.70.42.0/24
PTRmailsec.protonmail.ch
A185.205.70.129🇫🇷 Proton185.205.70.0/24
PTRmailsec.protonmail.ch
TXTv=spf1 include:_spf.protonmail.ch ~all
TXTprotonmail-verification=3b6413f3f6b995166f2a28ce8f862a0e8592b47a

protonmail.com

DNSSEC⚠️ Not signed
A185.70.42.12🇨🇭 Proton185.70.42.0/24
NSns1.protonmail.com ⭐
NSns2.protonmail.com
NSns3.protonmail.com
MXmail.protonmail.ch ⭐
MXmailsec.protonmail.ch(10)
TXTahrefs-site-verification_4bdac6bbaa81e0d591d7c0f3ef238905c0521b69bf3d74e64d37...
TXTmailru-verification: 14505c6eb222c847
TXTgoogle-site-verification=aq9zJnp3H3bNE0Y4D4rH5I5Dhj8VMaLYx0uQ7Rozfgg
TXTv=spf1 include:_spf.protonmail.ch ~all
TXTgoogle-site-verification=uXVNQLivTppnZssXHtMY7QVn70Mpd0x2U8pKj324Krk
TXTyandex-verification: 6059b187e78de544
TXTbrave-ledger-verification=66a7f27fb99949cc0c564ab98efcc58ea1bac3e97eb557c782a...
TXTgoogle-site-verification=RVUCKIFDkg-Spau8kEohQRsgyHEBUQcVehZqF6PAQcQ
SOAns1.protonmail.comsupport@protonmail.ch serial=2502172521
WOT: SAFE (95/100)
rank #9164 globally
rank #4476 in the tld
🔒 HSTS Preload (+subdomains)
WOT: SAFE (95/100)
📈 Tranco rank: #10,738

Same first word

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app.fr
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ppa.casino
app.by
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pap.as
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DNS History

2 records (2 active, 0 former)

MXmail.protonmail.chmailsec.protonmail.ch
●MXmail.protonmail.ch2026-03-18 → 2026-08-12 · 2 obs
● 2026-03-18 23:53:40
● 2026-08-12 19:53:06
●MXmailsec.protonmail.ch2026-03-18 → 2026-08-12 · 2 obs
● 2026-03-18 23:53:40
● 2026-08-12 19:53:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
protonmail.comns1.protonmail.com, ns2.protonmail.com, ns3.protonmail.com3 records

✅ Authoritative Response

Server:205.132.47.1

NS records: ns1.protonmail.com, ns2.protonmail.com, ns3.protonmail.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 934ms | Queries: -

📄 Records

TypeCountSample Data
MX2mailsec.protonmail.ch (pri: 20), mail.protonmail.ch (pri: 10)
TXT2v=spf1 include:_spf.protonmail.ch ~all, protonmail-verification=3b6413f3f6b99516

📌 Glue Records Collected

Total: 3

In-bailiwick: 3 (ns1.protonmail.com, ns2.protonmail.com, ns3.protonmail.com)

Analysis

Mail Servers

app.protonmail.com has two mail servers: mail.protonmail.ch and mailsec.protonmail.ch.

app.protonmail.com shares the same mail server setup as other domains, including fabrubens.com, faqwidget.ai, benmarden.com and two others.

app.protonmail.com shares mail servers — at least in part — with other domains, including trive.io, donnahugh.com, netwiz.jp and two others.

The hosts mail.protonmail.ch and mailsec.protonmail.ch both resolve to three IP numbers: mail.protonmail.ch to 176.119.200.128, 185.70.42.128 and 185.205.70.128, and mailsec.protonmail.ch to 176.119.200.129, 185.70.42.129 and 185.205.70.129.