`e-choshi.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-choshi.jp` ⭐
		A	202.218.216.101^{🇯🇵 IDC202.218.128.0/17 Frontier Inc.}
TXT	`v=spf1 +ip4:210.140.108.101 +ip4:202.218.216.119 +ip4:202.218.216.101 +ip4:20...`
SOA	`dns4.tsukuba.ad.jp`hostmaster@tsukuba.ad.jp 2024-01-12 #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=1778558403

Subdomains

sv1.e-choshi.jp

kuniyuki.e-choshi.jp

Same first word

e-choshi.jp

Similar names

chosei-h.jp

DNS History

7 records (4 active, 3 former)

●NSdns4.tsukuba.ad.jp2017-11-09 → 2026-05-12 · 3 obs

○ 2016-07-13 21:20:32
● 2017-11-09 15:12:34
● 2026-05-12 04:22:36

●NSdns5.tsukuba.ad.jp2017-11-09 → 2026-05-12 · 3 obs

○ 2016-07-13 21:20:32
● 2017-11-09 15:12:34
● 2026-05-12 04:22:36

○NSns.apos.jp2015-07-15 → 2016-07-13 · 4 obs

● 2015-07-15 10:16:22
● 2016-07-13 21:20:32
○ 2017-11-09 15:12:34
○ 2026-05-12 04:22:36

○NSns.at-link.ad.jp2015-07-15 → 2016-07-13 · 4 obs

● 2015-07-15 10:16:22
● 2016-07-13 21:20:32
○ 2017-11-09 15:12:34
○ 2026-05-12 04:22:36

●MXsv1.e-choshi.jp2015-07-15 → 2026-05-12 · 2 obs

● 2015-07-15 10:16:22
● 2026-05-12 04:22:36

○A202.218.216.1012015-07-15 → 2017-11-09 · 4 obs

● 2015-07-15 10:16:22
● 2017-11-09 15:12:34
○ 2026-04-09 19:52:56
○ 2026-05-12 04:22:36

●A210.140.108.1012026-04-09 → 2026-05-12 · 3 obs

○ 2017-11-09 15:12:34
● 2026-04-09 19:52:56
● 2026-05-12 04:22:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
e-choshi.jp	dns5.tsukuba.ad.jp, dns4.tsukuba.ad.jp	2 records

✅ Authoritative Response

Server:153.122.2.46

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 759ms | 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-choshi.jp (pri: 10)`
TXT	1	`v=spf1 +ip4:210.140.108.101 +ip4:202.218`
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

Hierarchy

e-choshi.jp is parent of sv1.e-choshi.jp and kuniyuki.e-choshi.jp.

IP Addresses

e-choshi.jp resolves to a single IP address: 210.140.108.101.

Other host names including e-tsukuba.jp, numaya.e-tsukuba.jp, hitachiota.jp, e-hitachinaka.jp and flower.joso.jp share IP numbers with e-choshi.jp.

Name Servers

e-choshi.jp's delegation uses two name servers, dns4.tsukuba.ad.jp and dns5.tsukuba.ad.jp.

e-choshi.jp shares the same name server setup as other domains, for example gr-dream.jp, e-kasama.jp, ohata-factory.co.jp, city.joso.lg.jp and kuruma.co.jp.

e-choshi.jp at least partially shares 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-choshi.jp is handled by a single mail server, sv1.e-choshi.jp.

sv1.e-choshi.jp points to a single IP: 202.218.216.101.

e-choshi.jp - robtex.com

e-choshi.jp

jp