🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`mail.itcircular.net`

DNSSEC	⚠️ Not signed
A	71.187.160.21^{🇺🇸 AS70171.187.0.0/16 MCI Communications Services, LLC d/b/a Verizon Business}
		PTR	`mail.itcircular.net`

`itcircular.net`

	DNSSEC	⚠️ Not signed
	A	71.187.160.20^{🇺🇸 AS70171.187.0.0/16 MCI Communications Services, LLC d/b/a Verizon Business}
	NS	`ns19.domaincontrol.com` ⭐
	NS	`ns20.domaincontrol.com`
	MX	`mail.itcircular.net` ⭐
	MX	`ng.itcircular.net`⁽³⁰⁾
	SOA	`ns19.domaincontrol.com`dns@jomax.net 2016-05-04 #0

PTR for

21.160.187.71.in-addr.arpa

MX for

itcircular.net

Same first word

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Next names

DNS History

1 record (1 active, 0 former)

●A71.187.160.212015-08-21 → 2026-08-17 · 2 obs

● 2015-08-21 17:53:46
● 2026-08-17 22:19:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
itcircular.net	ns19.domaincontrol.com, ns20.domaincontrol.com	-

✅ Authoritative Response

Server:97.74.109.10

NS records: ns19.domaincontrol.com, ns20.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for itcircular.net (unsigned zone)

⏱️ Timing

Total: 380ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`71.187.160.21`

Analysis

Mail Server Role

mail.itcircular.net serves as a mail server for itcircular.net.

ng.itcircular.net and mail.itcircular.net are commonly paired as mail servers.

IP Addresses

mail.itcircular.net points to a single IP number: 71.187.160.21.

mail.itcircular.net - robtex.com