`koryukai.jp`

DNSSEC	⚠️ Not signed
A	143.125.235.189^{🇯🇵 InfoSphere143.125.224.0/19 INFOSPHERE}
		PTR	`www.koryukai.jp`
NS	`ns4.mcnet.ad.jp` ⭐
		A	210.172.36.182^{🇯🇵 MCNET210.172.32.0/19}
NS	`ns5.mcnet.ad.jp`
		A	210.172.36.198^{🇯🇵 MCNET210.172.32.0/19}
TXT	`v=spf1 include:koryukai.jp.spf.hosting-pf.net ~all`
SOA	`ns4.mcnet.ad.jp`postmaster@mcnet.ad.jp 2026-04-16 #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=1776978902

Subdomains

www.koryukai.jp

Same first word

koryukai.jp

koryukai.net

Similar names

kyriakou.edu.gr

kairyoku.com

kyarioku.jp

kakuriyo.com

kyriakou.gr

ryokukai.com

DNS History

4 records (3 active, 1 former)

●NSns4.mcnet.ad.jp2015-08-12 → 2026-04-23 · 2 obs

● 2015-08-12 02:03:30
● 2026-04-23 21:54:32

●NSns5.mcnet.ad.jp2015-08-12 → 2026-04-23 · 2 obs

● 2015-08-12 02:03:30
● 2026-04-23 21:54:32

●A143.125.235.1892026-04-05 → 2026-04-23 · 3 obs

○ 2017-02-11 15:19:58
● 2026-04-05 04:22:30
● 2026-04-23 21:54:32

○A203.211.170.1782015-08-12 → 2017-02-11 · 4 obs

● 2015-08-12 02:03:30
● 2017-02-11 15:19:58
○ 2026-04-05 04:22:30
○ 2026-04-23 21:54:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	e.dns.jp, g.dns.jp, a.dns.jp, d.dns.jp...	-
koryukai.jp	ns4.mcnet.ad.jp, ns5.mcnet.ad.jp	-

✅ Authoritative Response

Server:210.172.36.198

NS records: ns4.mcnet.ad.jp, ns5.mcnet.ad.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for koryukai.jp (unsigned zone)

⏱️ Timing

Total: 1615ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`143.125.235.189`
NS	2	`ns4.mcnet.ad.jp, ns5.mcnet.ad.jp`
TXT	1	`v=spf1 include:koryukai.jp.spf.hosting-p`
SOA	1	`ns4.mcnet.ad.jp postmaster.mcnet.ad.jp`

Analysis

Hierarchy

The parent of www.koryukai.jp is koryukai.jp.

IP Addresses

koryukai.jp points to a single IP number: 143.125.235.189.

Other host names, for instance www.koryukai.jp, share IP numbers with koryukai.jp.

Name Servers

koryukai.jp is delegated to two name servers: ns4.mcnet.ad.jp and ns5.mcnet.ad.jp.

koryukai.jp uses the same name server setup as other domains, for instance shikinosato.com, tppp.jp, ktd.co.jp, autoclublog.com and ono-pkg.co.jp.

Host names with one IP number:

ns4.mcnet.ad.jp points to: 210.172.36.182.

ns5.mcnet.ad.jp points to: 210.172.36.198.

koryukai.jp - robtex.com

koryukai.jp

jp