`e-ichikawa.jp`

DNSSEC	⚠️ Not signed
A	210.140.108.101^{🇯🇵 IDC210.140.96.0/19 Frontier Inc.}
NS	`dns4.tsukuba.ad.jp` ⭐
		A	153.122.2.46^{🇯🇵 AS131921153.122.0.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K.}
			PTR	`dns4.tsukuba.ad.jp`
NS	`dns5.tsukuba.ad.jp`
		A	153.122.20.21^{🇯🇵 AS131921153.122.16.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K.}
			PTR	`dns5.tsukuba.ad.jp`
MX	`sv1.e-ichikawa.jp` ⭐
		A	202.218.216.102^{🇯🇵 IDC202.218.128.0/17 Frontier Inc.}
SOA	`dns4.tsukuba.ad.jp`hostmaster@tsukuba.ad.jp 2024-10-30 #1

`jp`

	DNSSEC	🔒 Signed (DS record present)
	NS	`z.dns.jp` ⭐
	NS	`a.dns.jp`
	NS	`b.dns.jp`
	NS	`c.dns.jp`
	NS	`d.dns.jp`
	NS	`e.dns.jp`
	NS	`f.dns.jp`
	NS	`g.dns.jp`
	NS	`h.dns.jp`
	SOA	`z.dns.jp`root@dns.jp serial=1778763603

Same first word

e-ichikawa.jp

DNS History

7 records (4 active, 3 former)

●NSdns4.tsukuba.ad.jp2017-09-17 → 2026-05-14 · 3 obs

○ 2016-11-29 22:18:36
● 2017-09-17 12:20:04
● 2026-05-14 13:16:26

●NSdns5.tsukuba.ad.jp2017-09-17 → 2026-05-14 · 3 obs

○ 2016-11-29 22:18:36
● 2017-09-17 12:20:04
● 2026-05-14 13:16:26

○NSns.apos.jp2015-06-02 → 2016-11-29 · 4 obs

● 2015-06-02 02:10:58
● 2016-11-29 22:18:36
○ 2017-09-17 12:20:04
○ 2026-05-14 13:16:26

○NSns.at-link.ad.jp2015-06-02 → 2016-11-29 · 4 obs

● 2015-06-02 02:10:58
● 2016-11-29 22:18:36
○ 2017-09-17 12:20:04
○ 2026-05-14 13:16:26

●MXsv1.e-ichikawa.jp2015-06-02 → 2026-05-14 · 2 obs

● 2015-06-02 02:10:58
● 2026-05-14 13:16:26

○A202.218.216.1022015-06-02 → 2017-09-17 · 4 obs

● 2015-06-02 02:10:58
● 2017-09-17 12:20:04
○ 2026-04-27 08:35:54
○ 2026-05-14 13:16:26

●A210.140.108.1012026-04-27 → 2026-05-14 · 3 obs

○ 2017-09-17 12:20:04
● 2026-04-27 08:35:54
● 2026-05-14 13:16:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp...	-
e-ichikawa.jp	dns4.tsukuba.ad.jp, dns5.tsukuba.ad.jp	2 records

✅ Authoritative Response

Server:153.122.2.46

NS records: dns4.tsukuba.ad.jp, dns5.tsukuba.ad.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for e-ichikawa.jp (unsigned zone)

⏱️ Timing

Total: 1028ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`210.140.108.101`
NS	2	`dns4.tsukuba.ad.jp, dns5.tsukuba.ad.jp`
MX	1	`sv1.e-ichikawa.jp (pri: 10)`
SOA	1	`dns4.tsukuba.ad.jp hostmaster.tsukuba.ad`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (dns4.tsukuba.ad.jp, dns5.tsukuba.ad.jp)

Analysis

IP Addresses

e-ichikawa.jp points to IP number: 210.140.108.101.

Other host names such as e-mito.jp, e-tsukuba.jp, numaya.e-tsukuba.jp, hitachiota.jp and e-hitachinaka.jp share IPs with e-ichikawa.jp.

Name Servers

e-ichikawa.jp is delegated to two name servers: dns4.tsukuba.ad.jp and dns5.tsukuba.ad.jp.

e-ichikawa.jp shares the same name server setup as rmj.ne.jp, gofoton.co.jp, at-niigata.jp, ishioka.jp and shaken.jp.

e-ichikawa.jp shares some name servers with other domains, for instance tsukuba.ad.jp.

Host names with a single IP:

dns4.tsukuba.ad.jp points to 153.122.2.46.

dns5.tsukuba.ad.jp points to 153.122.20.21.

Mail Servers

e-ichikawa.jp is handled by a single mail server, sv1.e-ichikawa.jp.

sv1.e-ichikawa.jp points to a single IP: 202.218.216.102.

e-ichikawa.jp - robtex.com

e-ichikawa.jp

jp