proton.dev - dns.ninja

proton.dev

DNSSEC⚠️ Not signed
A35.246.149.142🇩🇪 Google35.246.144.0/20
PTR142.149.246.35.bc.googleusercontent.com
NSdayana.ns.cloudflare.com ⭐
A2606:4700:50::a29f:2667🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdayana.ns.cloudflare.com
A2803:f800:50::6ca2:c267🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdayana.ns.cloudflare.com
A2a06:98c1:50::ac40:2267🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdayana.ns.cloudflare.com
A108.162.194.103🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdayana.ns.cloudflare.com
A162.159.38.103Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdayana.ns.cloudflare.com
A172.64.34.103🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdayana.ns.cloudflare.com
NSoswald.ns.cloudflare.com
A2606:4700:58::adf5:3bda🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRoswald.ns.cloudflare.com
A2803:f800:50::6ca2:c1da🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRoswald.ns.cloudflare.com
A2a06:98c1:50::ac40:21da🇺🇸 Cloudflare2a06:98c1:50::/45
PTRoswald.ns.cloudflare.com
A108.162.193.218🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRoswald.ns.cloudflare.com
A172.64.33.218🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRoswald.ns.cloudflare.com
A173.245.59.218🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRoswald.ns.cloudflare.com
MXmailmx-ingress.proton.dev ⭐
A34.107.115.182🇩🇪 Google34.107.112.0/20
PTR182.115.107.34.bc.googleusercontent.com
TXTv=spf1 a:relaydev-01.proton.dev ~all
SOAdayana.ns.cloudflare.comdns@cloudflare.com serial=2408706294

dev

DNSSEC🔒 Signed (DS record present)
NSns-tld1.charlestonroadregistry.com ⭐
NSns-tld2.charlestonroadregistry.com
NSns-tld3.charlestonroadregistry.com
NSns-tld4.charlestonroadregistry.com
NSns-tld5.charlestonroadregistry.com
SOAns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1
🔒 HSTS Preload (+subdomains)

Subdomains

mailmx-ingress.proton.dev
relaydev-01.proton.dev

Same first word

proton.my
proton.net.ua
proton.it
proton.dev
proton.rs
proton.us
proton.care
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proton.parts
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proton.education
proton.fi
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proton.international
proton.tools

Similar names

tropon.com
pronto.to.gov.br
pronto.com.co
pronto.no
(0x706f726e)to.com
orpton.club
to(0x706f726e).tv
optron.net
pronto.lease
(0x706f726e)ot.com
nortop.es
porton.com
pronto.net
rontop.com
pronto.it
to(0x706f726e).com
nproto.com
pronto.es
optron.pl
npotor.ru
noptor.cn
pronto.io
optron.co.jp
optron.de
tropon.de
onport.com.br
porton.nl
pronto.org
nporto.com
topron.com
pronto.com.ar
optron.ru
pontro.com.au
pronto.cz
pronto.be
pronto.ca
pronto.ai
topnor.com
pronto.com.ua
porton.com.br
nortpo.org
nortop.ca
tonpro.ru
t(0x706f726e)o.com
optron.by
porton.pl
pronto.ru
portno.co.uk
pronto.com.br
optron.org
porton.com.mx
pronto.ly
topnor.no

DNS History

4 records (4 active, 0 former)

NSdayana.ns.cloudflare.comoswald.ns.cloudflare.comMXmailmx-ingress.proton.devA35.246.149.142
●NSdayana.ns.cloudflare.com2026-03-07 → 2026-07-23 · 2 obs
● 2026-03-07 05:46:06
● 2026-07-23 12:37:00
●NSoswald.ns.cloudflare.com2026-03-07 → 2026-07-23 · 2 obs
● 2026-03-07 05:46:06
● 2026-07-23 12:37:00
●MXmailmx-ingress.proton.dev2026-03-07 → 2026-07-23 · 2 obs
● 2026-03-07 05:46:06
● 2026-07-23 12:37:00
●A35.246.149.1422026-03-07 → 2026-07-23 · 2 obs
● 2026-03-07 05:46:06
● 2026-07-23 12:37:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com...-
proton.devdayana.ns.cloudflare.com, oswald.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.34.103

NS records: dayana.ns.cloudflare.com, oswald.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for proton.dev (unsigned zone)

⏱️ Timing

Total: 1946ms | Queries: -

📄 Records

TypeCountSample Data
A135.246.149.142
NS2dayana.ns.cloudflare.com, oswald.ns.cloudflare.com
MX1mailmx-ingress.proton.dev (pri: 10)
TXT1v=spf1 a:relaydev-01.proton.dev ~all
SOA1dayana.ns.cloudflare.com dns.cloudflare.

Analysis

Hierarchy

proton.dev is the parent domain of mailmx-ingress.proton.dev and relaydev-01.proton.dev.

IP Addresses

proton.dev points to a single IP number: 35.246.149.142.

Additional host names — including proton.black and 142.149.246.35.bc.googleusercontent.com — share IP numbers with proton.dev.

Name Servers

proton.dev has two authoritative name servers — dayana.ns.cloudflare.com and oswald.ns.cloudflare.com.

proton.dev shares its name server setup with other domains, including status.proton.me, partners.proton.me, figma.cyou and two others.

proton.dev has at least partial name server overlap with other domains, such as concopco.com, hellspincasinobonus.com, am3.com.mx and two others.

It is common to find these name servers paired with the name servers roman.ns.cloudflare.com.

Host names with 6 IP numbers:

dayana.ns.cloudflare.com points to 108.162.194.103, 162.159.38.103, 172.64.34.103 and 3 other IP addresses.

oswald.ns.cloudflare.com points to 108.162.193.218, 172.64.33.218, 173.245.59.218 and 3 other IP addresses.

Mail Servers

proton.dev has one mail server: mailmx-ingress.proton.dev.

mailmx-ingress.proton.dev points to one IP number — 34.107.115.182.