`koukousei.jp`

DNSSEC	⚠️ Not signed
A	185.53.179.109^{🇩🇪 TEAMINTERNET-AS185.53.179.0/24 Registration for Team Internet by Next Dimension}
NS	`ns1.muumuu-domain.com` ⚠️ Not in zone NS records
		A	157.7.104.83^{🇯🇵 GMO-INTERNET157.7.64.0/18 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
NS	`ns2.muumuu-domain.com` ⚠️ Not in zone NS records
		A	157.7.104.99^{🇯🇵 GMO-INTERNET157.7.64.0/18 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}

`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=1774836003

Same first word

koukousei.jp

DNS History

4 records (3 active, 1 former)

●NSns1.muumuu-domain.com2026-03-30 → 2026-03-30 · 1 obs

● 2026-03-30 02:20:36

●NSns2.muumuu-domain.com2026-03-30 → 2026-03-30 · 1 obs

● 2026-03-30 02:20:36

○A166.78.103.62015-08-04 → 2018-06-10 · 3 obs

● 2015-08-04 06:13:22
● 2018-06-10 11:58:02
○ 2026-03-30 02:20:36

●A185.53.179.1092026-03-30 → 2026-03-30 · 2 obs

○ 2018-06-10 11:58:02
● 2026-03-30 02:20:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp...	-
koukousei.jp	ns1.muumuu-domain.com, ns2.muumuu-domain.com	-

✅ Authoritative Response

Server:157.7.104.99

NS records: ns1.muumuu-domain.com, ns2.muumuu-domain.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for koukousei.jp (unsigned zone)

⏱️ Timing

Total: 2271ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.53.179.109`

Analysis

IP Addresses

koukousei.jp resolves to a single IP address: 185.53.179.109.

Other host names including dmail.sogabe.net, design0001.com, laociotk.com, mail.eikouvivi.com and wdc.com.cashney.com share IP numbers with koukousei.jp.

Name Servers

koukousei.jp's delegation uses two name servers, ns1.muumuu-domain.com and ns2.muumuu-domain.com.

koukousei.jp shares the same name server setup as other domains, for example taxusa.jp, jp3.org, dashibar.net, otonanorobotto.com and gibier.jp.

Host names with a single IP:

ns1.muumuu-domain.com points to 157.7.104.83.

ns2.muumuu-domain.com points to 157.7.104.99.

koukousei.jp - robtex.com

koukousei.jp

jp