`sv.fed.jp`

	DNSSEC	⚠️ Not signed
	A	211.133.244.75^{🇯🇵 IDC211.133.240.0/21 Frontier Inc.}

`fed.jp`

	DNSSEC	⚠️ Not signed
	A	211.133.244.75^{🇯🇵 IDC211.133.240.0/21 Frontier Inc.}
	NS	`sv.fed.jp` ⭐
	NS	`dns.itecjapan.jp`
	NS	`sv1.itecjapan.ne.jp`
	NS	`sv3.itecjapan.ne.jp`
	MX	`sv.fed.jp` ⭐
	SOA	`sv.fed.jp`postmaster@fed.jp 2025-01-30 #1

NS for

fed.jp

MX for

fed.jp

Same first word

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DNS History

2 records (1 active, 1 former)

●A211.133.244.752026-03-17 → 2026-04-11 · 3 obs

○ 2016-12-26 07:18:30
● 2026-03-17 20:10:26
● 2026-04-11 19:26:50

○A61.206.41.832015-07-31 → 2016-12-26 · 4 obs

● 2015-07-31 22:01:32
● 2016-12-26 07:18:30
○ 2026-03-17 20:10:26
○ 2026-04-11 19:26:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp...	-
fed.jp	sv3.itecjapan.ne.jp, dns.itecjapan.jp, sv1.itecjapan.ne.jp	3 records

✅ Authoritative Response

Server:211.133.244.26

NS records: sv3.itecjapan.ne.jp, dns.itecjapan.jp, sv1.itecjapan.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fed.jp (unsigned zone)

⏱️ Timing

Total: 874ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`211.133.244.75`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (dns.itecjapan.jp, sv1.itecjapan.ne.jp, sv3.itecjapan.ne.jp)

Analysis

Name Server Role

sv.fed.jp serves as the name server for fed.jp.

dns.itecjapan.jp, sv1.itecjapan.ne.jp and sv3.itecjapan.ne.jp are commonly used as name servers along with sv.fed.jp.

Mail Server Role

sv.fed.jp serves as the mail server for fed.jp.

IP Addresses

sv.fed.jp points to a single IP address: 211.133.244.75.

Other host names such as ced.jp, fed.jp and sv.ced.jp share IP numbers with sv.fed.jp.

sv.fed.jp - robtex.com

sv.fed.jp

fed.jp