`mail.mathcomp.com`

DNSSEC	⚠️ Not signed
A	198.55.51.73^{🇨🇦 NUDAY-NETWORKS-AS1100198.55.51.0/24 Nuday / Ravand}
		PTR	`mail.concords.com`
TXT	`v=spf1 a ip4:198.55.51.0/24 -all`

`mathcomp.com`

	DNSSEC	⚠️ Not signed
	A	`::1`
	A	63.250.38.197^{🇺🇸 NAMCHEAP-PH63.250.38.0/24}
	NS	`mathcomp.com` ⭐
	NS	`ns.mathcomp.com` ⚠️ Not in parent delegation
	NS	`ns1.concords.com` ⚠️ Not in zone NS records
	NS	`ns2.concords.com` ⚠️ Not in zone NS records
	MX	`mail.mathcomp.com` ⭐
	TXT	`v=spf1 a ip4:198.55.51.0/24 -all`
	SOA	`mathcomp.com`info@mathcomp.com 2019-11-13 #3

MX for

mathcomp.com

Same first word

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DNS History

2 records (1 active, 1 former)

●A198.55.51.732026-03-25 → 2026-03-25 · 3 obs

○ 2016-04-08 16:05:36
● 2026-03-25 07:53:46
● 2026-03-25 11:03:16

○A96.125.131.712015-06-26 → 2016-04-08 · 4 obs

● 2015-06-26 07:25:28
● 2016-04-08 16:05:36
○ 2026-03-25 07:53:46
○ 2026-03-25 11:03:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
mathcomp.com	ns1.concords.com, ns2.concords.com	2 records

✅ Authoritative Response

Server:198.55.51.73

NS records: ns1.concords.com, ns2.concords.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathcomp.com (unsigned zone)

⏱️ Timing

Total: 173ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`198.55.51.73`
TXT	1	`v=spf1 a ip4:198.55.51.0/24 -all`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.concords.com, ns2.concords.com)

Analysis

Mail Server Role

mail.mathcomp.com handles mail for mathcomp.com.

IP Addresses

mail.mathcomp.com points to a single IP address: 198.55.51.73.

Other host names such as mail.concords.com, ns2.concords.com, pop.concords.com, mail.dentistryatthemill.com and mail.mccdental.com share IPs with mail.mathcomp.com.

mail.mathcomp.com - robtex.com