`protonmail.com`

DNSSEC	⚠️ Not signed
A	185.70.42.12^{🇨🇭 Proton185.70.42.0/24}
		PTR	`185-70-42-12.protonmail.ch`
NS	`ns1.protonmail.com` ⭐
		A	185.70.42.150^{🇨🇭 Proton185.70.42.0/24}
			PTR	`185-70-42-150.protonmail.ch`
NS	`ns2.protonmail.com`
		A	176.119.200.150^{🇨🇭 Proton176.119.200.0/24}
			PTR	`176-119-200-150.protonmail.ch`
NS	`ns3.protonmail.com`
		A	205.132.47.1^{🇺🇸 UNSPECIFIED205.132.47.0/24 Packet Clearing House - v4 Anycast Prefix - 62371}
			PTR	`ns3.protonmail.ch`
MX	`mail.protonmail.ch` ⭐
		A	176.119.200.128^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mail.protonmail.ch`
		A	185.70.42.128^{🇨🇭 Proton185.70.42.0/24}
			PTR	`mail.protonmail.ch`
		A	185.205.70.128^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mail.protonmail.ch`
MX	`mailsec.protonmail.ch`⁽¹⁰⁾
		A	176.119.200.129^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mailsec.protonmail.ch`
		A	185.70.42.129^{🇨🇭 Proton185.70.42.0/24}
			PTR	`mailsec.protonmail.ch`
		A	185.205.70.129^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mailsec.protonmail.ch`
TXT	`ahrefs-site-verification_4bdac6bbaa81e0d591d7c0f3ef238905c0521b69bf3d74e64d37...`
TXT	`google-site-verification=RVUCKIFDkg-Spau8kEohQRsgyHEBUQcVehZqF6PAQcQ`
TXT	`brave-ledger-verification=66a7f27fb99949cc0c564ab98efcc58ea1bac3e97eb557c782a...`
TXT	`mailru-verification: 14505c6eb222c847`
TXT	`v=spf1 include:_spf.protonmail.ch ~all`
TXT	`google-site-verification=aq9zJnp3H3bNE0Y4D4rH5I5Dhj8VMaLYx0uQ7Rozfgg`
TXT	`google-site-verification=uXVNQLivTppnZssXHtMY7QVn70Mpd0x2U8pKj324Krk`
TXT	`yandex-verification: 6059b187e78de544`
SOA	`ns1.protonmail.com`support@protonmail.ch serial=2502172519

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1786472869

rank #9145 globally
rank #4466 in the tld
🔒 HSTS Preload (+subdomains)
WOT: SAFE (95/100)
📈 Tranco rank: #10,755

PTR for

112.124.53.5.in-addr.arpa

32.144.249.80.in-addr.arpa

19.253.184.31.in-addr.arpa

MX for

ellenbiros.net

trendmediaworld.com

protommail.com

algallegos.com

smartstarservices.com

Previously MX for

eyeswildshot.com

cyber-diplomacy.net

lawler.org

astubusiness.com

theohenson.com

Subdomains

ns2.protonmail.com

account.protonmail.com

shop.protonmail.com

old.protonmail.com

ns3.protonmail.com

mta-sts.protonmail.com

drive.protonmail.com

mail.protonmail.com

get.protonmail.com

mail-api.protonmail.com

calendar.protonmail.com

beta.protonmail.com

www.protonmail.com

careers.protonmail.com

ns1.protonmail.com

app.protonmail.com

Same first word

Similar names

trampolino.info

prontomail.de

trampolino.fr

martinpolo.com

monitoralp.com

monitorpal.com

trampolino.at

trampolino.de

monportail.fr

prontomail.ne.jp

palmonitor.com

promolatin.com

omniportal.net

lpamonitor.com

inmoportal.eu

trampolino.ch

rpotonmail.com

prootnmail.com

prontomail.net

omniportal.shop

trampolino.ee

inmoportal.com

monportail.org

lapinmotor.com

marlopinto.com

protonamil.com

inmoportal.com.ph

monitoralp.info

ontariomlp.ca

mailpronto.com

monportail.ch

prontomail.info

trampolino.gr

portonmail.com

importloan.com

trampolino.it

lapmonitor.com

trampoolin.se

protonmali.com

potronmail.com

mailpronto.org

monportail.eu

tiponormal.com

martinpool.com

monportail.ca

prontomail.com

planitroom.com

omniportal.de

inmoportal.es

trampolino.com

trampolino.biz

monportail.be

trampolino.ru

portomnail.com

monportail.net

trampoolin.com

monportail.com

protonmial.com

trampolino.eu

latinpromo.com

monitoralp.net

prontomail.it

omnipatrol.com

DNS History

15 records (6 active, 9 former)

○NSns1.protonmail.ch2015-08-24 → 2021-04-20 · 4 obs

● 2015-08-24 16:31:28
● 2021-04-20 08:53:46
○ 2021-04-25 13:05:40
○ 2026-08-11 18:31:32

●NSns1.protonmail.com2021-04-25 → 2026-08-11 · 3 obs

○ 2021-04-20 08:53:46
● 2021-04-25 13:05:40
● 2026-08-11 18:31:32

○NSns2.protonmail.ch2015-08-24 → 2021-04-20 · 8 obs

● 2015-08-24 16:31:28
● 2018-10-24 10:43:32
○ 2018-11-15 21:43:50
○ 2020-01-16 13:49:18
● 2020-02-25 23:44:16
● 2021-04-20 08:53:46
○ 2021-04-25 13:05:40
○ 2026-08-11 18:31:32

●NSns2.protonmail.com2021-04-25 → 2026-08-11 · 3 obs

○ 2021-04-20 08:53:46
● 2021-04-25 13:05:40
● 2026-08-11 18:31:32

○NSns3.protonmail.ch2018-11-15 → 2020-01-16 · 5 obs

○ 2018-10-24 10:43:32
● 2018-11-15 21:43:50
● 2020-01-16 13:49:18
○ 2020-02-25 23:44:16
○ 2026-08-11 18:31:32

●NSns3.protonmail.com2021-04-25 → 2026-08-11 · 3 obs

○ 2021-04-20 08:53:46
● 2021-04-25 13:05:40
● 2026-08-11 18:31:32

○NSns7.protonmail.ch2020-03-13 → 2021-04-20 · 5 obs

○ 2020-02-25 23:44:16
● 2020-03-13 11:03:56
● 2021-04-20 08:53:46
○ 2021-04-25 13:05:40
○ 2026-08-11 18:31:32

●MXmail.protonmail.ch2015-10-02 → 2026-08-11 · 3 obs

○ 2015-08-24 16:31:28
● 2015-10-02 00:03:24
● 2026-08-11 18:31:32

○MXmail1.protonmail.ch2015-08-24 → 2017-10-11 · 4 obs

● 2015-08-24 16:31:28
● 2017-10-11 13:36:20
○ 2017-10-14 05:02:12
○ 2026-08-11 18:31:32

○MXmail102.protonmail.ch2017-10-14 → 2017-10-16 · 5 obs

○ 2017-10-11 13:36:20
● 2017-10-14 05:02:12
● 2017-10-16 13:51:00
○ 2017-10-25 17:51:12
○ 2026-08-11 18:31:32

○MXmail2.protonmail.ch2015-08-24 → 2016-10-13 · 4 obs

● 2015-08-24 16:31:28
● 2016-10-13 19:39:30
○ 2016-10-23 12:17:56
○ 2026-08-11 18:31:32

●MXmailsec.protonmail.ch2017-10-25 → 2026-08-11 · 3 obs

○ 2017-10-16 13:51:00
● 2017-10-25 17:51:12
● 2026-08-11 18:31:32

○A185.70.40.1822015-08-24 → 2020-01-16 · 4 obs

● 2015-08-24 16:31:28
● 2020-01-16 13:49:18
○ 2020-02-25 23:44:16
○ 2026-08-11 18:31:32

○A185.70.41.352020-02-25 → 2021-06-15 · 5 obs

○ 2020-01-16 13:49:18
● 2020-02-25 23:44:16
● 2021-06-15 20:48:48
○ 2021-06-30 08:56:14
○ 2026-08-11 18:31:32

●A185.70.42.122021-06-30 → 2026-08-11 · 3 obs

○ 2021-06-15 20:48:48
● 2021-06-30 08:56:14
● 2026-08-11 18:31:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
protonmail.com	ns1.protonmail.com, ns2.protonmail.com, ns3.protonmail.com	3 records

✅ Authoritative Response

Server:176.119.200.150

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: 562ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.70.42.12`
NS	3	`ns2.protonmail.com, ns1.protonmail.com...`
MX	2	`mailsec.protonmail.ch (pri: 10), mail.protonmail.ch (pri: 5)`
TXT	8	`mailru-verification: 14505c6eb222c847, brave-ledger-verification=66a7f27fb99949...`
SOA	1	`ns1.protonmail.com support.protonmail.ch`

📌 Glue Records Collected

Total: 3

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

Analysis

Hierarchy

protonmail.com is a parent domain; its children include ns2.protonmail.com, account.protonmail.com, shop.protonmail.com, old.protonmail.com, ns3.protonmail.com and a few other host names.

Mail Server Role

protonmail.com is the mail server for ellenbiros.net, trendmediaworld.com, protommail.com and two others.

As mail servers, mail.protonmail.ch and protommail.com are frequently found alongside protonmail.com.

IP Addresses

protonmail.com resolves to one IP address: 185.70.42.12.

pomail.eu and niske.fi, along with other host names, share IP addresses with protonmail.com.

Name Servers

protonmail.com has three name servers — ns1.protonmail.com, ns2.protonmail.com and ns3.protonmail.com.

protonmail.com partially shares its NS delegation with several other domains, including 70.205.185.in-addr.arpa, 107.135.79.in-addr.arpa, pr.tn and two others.

It is common to find these name servers alongside the name servers ns2.protonmail.ch, ns1.protonmail.ch, ns2.proton.me and two others.

Each of the three hostnames points to exactly one IP address: ns1.protonmail.com points to 185.70.42.150, ns2.protonmail.com points to 176.119.200.150 and ns3.protonmail.com points to 205.132.47.1.

Mail Servers

Mail for protonmail.com is handled by two mail servers — mail.protonmail.ch and mailsec.protonmail.ch.

protonmail.com uses an identical mail server configuration to several other domains — among them pleschko.cloud, littledetails.net, gogrouple.com and two more.

protonmail.com has at least partial mail server overlap with other domains such as mauv-studio.com, janz.us, tnttaxspecialists.com and two more.

mail.protonmail.ch has three IP addresses (176.119.200.128, 185.70.42.128 and 185.205.70.128) and mailsec.protonmail.ch has three IP addresses (176.119.200.129, 185.70.42.129 and 185.205.70.129).

protonmail.com - robtex.com

`protonmail.com`

`com`

PTR for

MX for

Previously MX for

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Related

Analysis

Hierarchy

Mail Server Role

IP Addresses

Name Servers

Mail Servers