`protonrmail.com`

DNSSEC	⚠️ Not signed
A	91.195.240.123^{🇩🇪 SEDO91.195.240.0/23 -NET-PI}
NS	`ns1.dnsowl.com` ⭐
		A	2400:cb00:2049:1::a29f:1a88^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	2400:cb00:2049:1::a29f:1bad^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.26.136^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	162.159.27.173^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.dnsowl.com`
		A	2400:cb00:2049:1::a29f:1a31^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	2400:cb00:2049:1::a29f:1b82^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.26.49^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	162.159.27.130^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns3.dnsowl.com`
		A	2400:cb00:2049:1::a29f:1aea^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	2400:cb00:2049:1::a29f:1b62^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.26.234^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	162.159.27.98^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`mx1.titan.email` ⭐
		A	3.216.63.151^{🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-216-63-151.compute-1.amazonaws.com`
		A	18.211.45.15^{🇺🇸 Amazon18.208.0.0/13 EC2 IAD prefix}
			PTR	`ec2-18-211-45-15.compute-1.amazonaws.com`
		A	52.5.58.87^{🇺🇸 Amazon52.4.0.0/14 EC2 IAD prefix}
			PTR	`ec2-52-5-58-87.compute-1.amazonaws.com`
MX	`mx2.titan.email`⁽²⁰⁾
		A	3.216.63.151^{🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-216-63-151.compute-1.amazonaws.com`
		A	18.211.45.15^{🇺🇸 Amazon18.208.0.0/13 EC2 IAD prefix}
			PTR	`ec2-18-211-45-15.compute-1.amazonaws.com`
		A	52.5.58.87^{🇺🇸 Amazon52.4.0.0/14 EC2 IAD prefix}
			PTR	`ec2-52-5-58-87.compute-1.amazonaws.com`
TXT	`v=spf1 include:spf.titan.email ~all`
SOA	`ns1.dnsowl.com`hostmaster@dnsowl.com serial=1768312841

`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=1774929497

⚠️ On DNS blocklist: tif

Previously MX for

protonrmail.com

Subdomains

www.protonrmail.com

Same first word

protonrmail.com

DNS History

10 records (6 active, 4 former)

○NSn1.hosterpk.com2020-01-10 → 2020-01-10 · 3 obs

● 2020-01-10 12:51:04
○ 2026-03-12 08:57:52
○ 2026-03-31 04:18:36

○NSn2.hosterpk.com2020-01-10 → 2020-01-10 · 3 obs

● 2020-01-10 12:51:04
○ 2026-03-12 08:57:52
○ 2026-03-31 04:18:36

●NSns1.dnsowl.com2026-03-12 → 2026-03-31 · 3 obs

○ 2020-01-10 12:51:04
● 2026-03-12 08:57:52
● 2026-03-31 04:18:36

●NSns2.dnsowl.com2026-03-12 → 2026-03-31 · 3 obs

○ 2020-01-10 12:51:04
● 2026-03-12 08:57:52
● 2026-03-31 04:18:36

●NSns3.dnsowl.com2026-03-12 → 2026-03-31 · 3 obs

○ 2020-01-10 12:51:04
● 2026-03-12 08:57:52
● 2026-03-31 04:18:36

●MXmx1.titan.email2026-03-12 → 2026-03-31 · 3 obs

○ 2020-01-10 12:51:04
● 2026-03-12 08:57:52
● 2026-03-31 04:18:36

●MXmx2.titan.email2026-03-12 → 2026-03-31 · 3 obs

○ 2020-01-10 12:51:04
● 2026-03-12 08:57:52
● 2026-03-31 04:18:36

○MXprotonrmail.com2020-01-10 → 2020-01-10 · 3 obs

● 2020-01-10 12:51:04
○ 2026-03-12 08:57:52
○ 2026-03-31 04:18:36

○A23.226.129.1102020-01-10 → 2020-01-10 · 3 obs

● 2020-01-10 12:51:04
○ 2026-03-12 08:57:52
○ 2026-03-31 04:18:36

●A91.195.240.1232026-03-12 → 2026-03-31 · 3 obs

○ 2020-01-10 12:51:04
● 2026-03-12 08:57:52
● 2026-03-31 04:18:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
protonrmail.com	ns1.dnsowl.com, ns2.dnsowl.com, ns3.dnsowl.com	12 records

✅ Authoritative Response

Server:162.159.26.136

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for protonrmail.com (unsigned zone)

⏱️ Timing

Total: 358ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.195.240.123`
NS	3	`ns1.dnsowl.com, ns2.dnsowl.com...`
MX	2	`mx1.titan.email (pri: 10), mx2.titan.email (pri: 20)`
TXT	1	`v=spf1 include:spf.titan.email ~all`
SOA	1	`ns1.dnsowl.com hostmaster.dnsowl.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (ns1.dnsowl.com, ns1.dnsowl.com, ns1.dnsowl.com...)

Analysis

Hierarchy

protonrmail.com is the parent of www.protonrmail.com.

IP Addresses

protonrmail.com resolves to one IP number: 91.195.240.123.

other host names including truamail.com, krmac.com, smart-robotic.com, www.mgtsofficeprocessingpin.sbs and etcafj.vip share IP numbers with protonrmail.com.

Name Servers

protonrmail.com is delegated to three name servers ns1.dnsowl.com, ns2.dnsowl.com and ns3.dnsowl.com.

protonrmail.com at least partially shares name servers with other domains, for instance 8834b.com, wwwespn.com, ktv02.com, portlandcement.net and www1220.com.