mail.grsecurity.com - dns.ninja

`mail.grsecurity.com`

DNSSEC	⚠️ Not signed
A	50.239.52.65^{🇺🇸 COMCAST-IBONE50.128.0.0/9 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mount Laurel, NJ 08054}
		PTR	`grsecurity.net`

`grsecurity.com`

	DNSSEC	⚠️ Not signed
	A	50.239.52.65^{🇺🇸 COMCAST-IBONE50.128.0.0/9 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mount Laurel, NJ 08054}
	NS	`pdns1.registrar-servers.com` ⭐
	NS	`pdns2.registrar-servers.com`
	MX	`aspmx.l.google.com` ⭐
	MX	`alt1.aspmx.l.google.com`⁽⁵⁾
	MX	`alt2.aspmx.l.google.com`⁽⁵⁾
	MX	`aspmx2.googlemail.com`⁽¹⁰⁾
	MX	`aspmx3.googlemail.com`⁽¹⁰⁾
	TXT	`v=spf1 include:_spf.google.com a:grsecurity.com ~all`
	SOA	`pdns1.registrar-servers.com`hostmaster@registrar-servers.com serial=1616679791

Previously MX for

grsecurity.com

Same first word

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DNS History

3 records (1 active, 2 former)

○A209.9.226.1462008-03-19 → 2008-03-19 · 3 obs

● 2008-03-19 03:12:10
○ 2015-06-01 13:15:22
○ 2026-07-11 15:13:46

●A50.239.52.652026-02-15 → 2026-07-11 · 3 obs

○ 2016-04-28 13:24:08
● 2026-02-15 04:52:08
● 2026-07-11 15:13:46

○A50.251.85.492015-06-01 → 2016-04-28 · 5 obs

○ 2008-03-19 03:12:10
● 2015-06-01 13:15:22
● 2016-04-28 13:24:08
○ 2026-02-15 04:52:08
○ 2026-07-11 15:13:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
grsecurity.com	pdns1.registrar-servers.com, pdns2.registrar-servers.com	4 records

✅ Authoritative Response

Server:156.154.133.100

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for grsecurity.com (unsigned zone)

⏱️ Timing

Total: 711ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`50.239.52.65`

📌 Glue Records Collected

Total: 4

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

Analysis

IP Addresses

mail.grsecurity.com has exactly one IP address — 50.239.52.65.

mail.pageexec.com, pageexec.com, grsecurity.net plus two other host names have IP numbers in common with mail.grsecurity.com.