`mail.digicert.co.com`

DNSSEC	⚠️ Not signed
A	66.70.178.74^{🇨🇦 OVH66.70.128.0/17 Hosting route}
		PTR	`ns547779.ip-66-70-178.net`

`digicert.co.com`

	DNSSEC	⚠️ Not signed
	A	198.50.252.64^{🇨🇦 OVH198.50.128.0/17 Hosting route}
	NS	`ns1.instradns.com` ⭐
	NS	`ns2.instradns.com`
	NS	`ns3.instradns.com`
	MX	`mail.digicert.co.com` ⭐
	SOA	`ns1.instradns.com`root@instra.com 2015-10-22 #1

MX for

digicert.co.com

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DNS History

1 record (1 active, 0 former)

●A66.70.178.742026-04-16 → 2026-04-23 · 2 obs

● 2026-04-16 03:11:10
● 2026-04-23 19:19:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
co.com	ns1.nic.co.com, ns2.nic.co.com, ns3.nic.co.com, ns4.nic.co.com	8 records
digicert.co.com	ns1.instradns.com, ns3.instradns.com, ns2.instradns.com	-

✅ Authoritative Response

Server:75.2.6.34

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for digicert.co.com (unsigned zone)

⏱️ Timing

Total: 315ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`66.70.178.74`

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (ns1.nic.co.com, ns1.nic.co.com, ns2.nic.co.com...)

Analysis

Mail Server Role

mail.digicert.co.com handles mail for digicert.co.com.

IP Addresses

mail.digicert.co.com points to a single IP address: 66.70.178.74.

Other host names such as mail.shisterov.com, mail.frasers-groupplc.com, mail.luminox.cl, mail.evelynmdouglas.com and _dc-mx.20775d4d53cd.nowcompare.com.cn share IPs with mail.digicert.co.com.

mail.digicert.co.com - robtex.com