`mail.ndc21.com`

	DNSSEC	⚠️ Not signed
	A	203.183.30.2^{🇯🇵 IDC203.183.30.0/23 Frontier Inc.}

`ndc21.com`

	DNSSEC	⚠️ Not signed
	A	203.183.80.137^{🇯🇵 IDC203.183.64.0/19 Frontier Inc.}
	NS	`ns.ndc21.com` ⭐
	NS	`ns1.dns-domain.jp`
	NS	`ns2.dns-domain.jp`
	NS	`ns3.dns-domain.jp`
	NS	`ns4.dns-domain.jp`
	NS	`ns5.dns-domain.jp`
	MX	`mail.ndc21.com` ⭐
	TXT	`v=spf1 a mx ~all`
	SOA	`ns.ndc21.com`postmaster@ndc21.com 2010-01-28 #5

MX for

ndc21.com

Same first word

mail.edu.tw

mail.dnsalias.net

mail.pro.br

mail.ne.jp

mail.co.jp

mail.be

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mail.how

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amil.in

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DNS History

1 record (1 active, 0 former)

●A203.183.30.22015-07-12 → 2026-05-12 · 2 obs

● 2015-07-12 14:53:26
● 2026-05-12 06:27:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, b.gtld-servers.net, m.gtld-servers.net, e.gtld-servers.net...	-
ndc21.com	ns1.dns-domain.jp, ns2.dns-domain.jp, ns3.dns-domain.jp, ns4.dns-domain.jp...	-

✅ Authoritative Response

Server:202.218.231.250

NS records: ns1.dns-domain.jp, ns2.dns-domain.jp, ns3.dns-domain.jp, ns4.dns-domain.jp, ns5.dns-domain.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ndc21.com (unsigned zone)

⏱️ Timing

Total: 1069ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`203.183.30.2`

Analysis

Mail Server Role

The mail server for ndc21.com is mail.ndc21.com.

IP Addresses

mail.ndc21.com points to a single IP number: 203.183.30.2.

Other host names, for instance mail.takagi-job.com, sv203183030002.extlink.co.jp, mail.cielo-c.co.jp, mail.yagura-oc.or.jp and mail.daiichi-tokushima.co.jp share IP numbers with mail.ndc21.com.

mail.ndc21.com - robtex.com

mail.ndc21.com

ndc21.com