corstmail.com - dns.ninja

`corstmail.com`

DNSSEC	⚠️ Not signed
NS	`pdns1.registrar-servers.com` ⭐
		A	2610:a1:1024::100^{🇺🇸 MAINT-ID-120082610:a1:1024::/48 Neustar}
		A	156.154.132.100^{🇺🇸 MAINT-ID-12008156.154.132.0/24 Neustar}
NS	`pdns2.registrar-servers.com`
		A	2610:a1:1025::100^{🇺🇸 MAINT-ID-120082610:a1:1025::/48 Neustar}
		A	156.154.133.100^{🇺🇸 MAINT-ID-12008156.154.133.0/24 Neustar}
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`⁽²⁰⁾
		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	`v=spf1 include:_spf.protonmail.ch mx ~all`
TXT	`protonmail-verification=4444fd03ef9e583ec8760a07aabd95fd8fb5ab03`
SOA	`pdns1.registrar-servers.com`hostmaster@registrar-servers.com serial=1665928978

`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=1786022864

Same first word

corstmail.com

Similar names

DNS History

7 records (4 active, 3 former)

○NSdns1.registrar-servers.com2019-12-17 → 2019-12-17 · 3 obs

● 2019-12-17 20:11:34
○ 2026-05-02 16:01:06
○ 2026-08-06 13:41:28

○NSdns2.registrar-servers.com2019-12-17 → 2019-12-17 · 3 obs

● 2019-12-17 20:11:34
○ 2026-05-02 16:01:06
○ 2026-08-06 13:41:28

●NSpdns1.registrar-servers.com2026-05-02 → 2026-08-06 · 3 obs

○ 2019-12-17 20:11:34
● 2026-05-02 16:01:06
● 2026-08-06 13:41:28

●NSpdns2.registrar-servers.com2026-05-02 → 2026-08-06 · 3 obs

○ 2019-12-17 20:11:34
● 2026-05-02 16:01:06
● 2026-08-06 13:41:28

●MXmail.protonmail.ch2019-12-17 → 2026-08-06 · 2 obs

● 2019-12-17 20:11:34
● 2026-08-06 13:41:28

●MXmailsec.protonmail.ch2019-12-17 → 2026-08-06 · 2 obs

● 2019-12-17 20:11:34
● 2026-08-06 13:41:28

○A192.64.119.2252019-12-17 → 2019-12-17 · 3 obs

● 2019-12-17 20:11:34
○ 2026-05-02 16:01:06
○ 2026-08-06 13:41:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, g.gtld-servers.net, a.gtld-servers.net, m.gtld-servers.net...	-
corstmail.com	pdns1.registrar-servers.com, pdns2.registrar-servers.com	4 records

✅ Authoritative Response

Server:156.154.132.100

NS records: pdns1.registrar-servers.com, pdns2.registrar-servers.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for corstmail.com (unsigned zone)

⏱️ Timing

Total: 202ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`pdns1.registrar-servers.com, pdns2.registrar-servers.com`
MX	2	`mail.protonmail.ch (pri: 10), mailsec.protonmail.ch (pri: 20)`
TXT	2	`v=spf1 include:_spf.protonmail.ch mx ~al, protonmail-verification=4444fd03ef9e583e`
SOA	1	`pdns1.registrar-servers.com hostmaster.r`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (pdns1.registrar-servers.com, pdns1.registrar-servers.com, pdns2.registrar-servers.com...)

Analysis

Name Servers

corstmail.com is served by two delegated name servers, pdns1.registrar-servers.com and pdns2.registrar-servers.com.

The name server configuration of corstmail.com is shared with other domains, for instance brianacton.org, lookingglassusa.com, rmtit.com and two others.

corstmail.com shares at least some of its name servers with domains including rckservices.com, xaviers.edu and next.jo

Each of the two host names carries two IP addresses: pdns1.registrar-servers.com points to 156.154.132.100 and 2610:a1:1024::100, and pdns2.registrar-servers.com points to 156.154.133.100 and 2610:a1:1025::100.

Mail Servers

corstmail.com uses two mail servers, mail.protonmail.ch and mailsec.protonmail.ch.

The mail server setup of corstmail.com matches that of other domains such as capex.hu, stefankellner.com, darkside-iptv.com and two others.

At least some of the mail servers used by corstmail.com are shared with other domains: sotonet.org, incubos.org, ns1.danielrueffer.ch and two others among them.

mail.protonmail.ch and mailsec.protonmail.ch each resolve to three IP addresses. mail.protonmail.ch resolves to 176.119.200.128, 185.70.42.128 and 185.205.70.128. mailsec.protonmail.ch resolves to 176.119.200.129, 185.70.42.129 and 185.205.70.129.