juken.jp - robtex.com

juken.jp

DNSSEC⚠️ Not signed
NSdns1.juken.co.jp ⚠️ Not in zone NS records
A210.163.221.2🇯🇵 OCN210.160.0.0/14 (AS4713) CIDR BLOCK NTT Communications Corporation OTEMACHI PLACE WEST TOWER 2-3-1 Otemachi, Chiyoda-ku Tokyo 100-8019 JAPAN
NSns2.mcnet.ad.jp ⚠️ Not in zone NS records
A2001:350:2:17::2🇯🇵 MCNET2001:350::/32 NTT SmartConnect Corp.
PTRns2.mcnet.ad.jp
A210.172.32.132🇯🇵 MCNET210.172.32.0/19
PTRns2.mcnet.ad.jp

jp

DNSSEC🔒 Signed (DS record present)
NSz.dns.jp
NSa.dns.jp
NSb.dns.jp
NSc.dns.jp
NSd.dns.jp
NSe.dns.jp
NSf.dns.jp
NSg.dns.jp
NSh.dns.jp
SOAz.dns.jproot@dns.jp serial=1785253503

Same first word

Similar names

DNS History

2 records (2 active, 0 former)

NSdns1.juken.co.jpns2.mcnet.ad.jp
NSdns1.juken.co.jp2026-06-11 → 2026-07-28 · 2 obs
● 2026-06-11 09:35:46
● 2026-07-28 16:33:46
NSns2.mcnet.ad.jp2026-06-11 → 2026-07-28 · 2 obs
● 2026-06-11 09:35:46
● 2026-07-28 16:33:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, h.dns.jp, e.dns.jp, f.dns.jp...-
juken.jpns2.mcnet.ad.jp, dns1.juken.co.jp1 record

✅ Authoritative Response

Server:210.172.32.132

NS records: ns2.mcnet.ad.jp, dns1.juken.co.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for juken.jp (unsigned zone)

⏱️ Timing

Total: 4649ms | Queries: -

📄 Records

TypeCountSample Data

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns2.mcnet.ad.jp)

Analysis

Name Servers

juken.jp has two authoritative name servers — ns2.mcnet.ad.jp and dns1.juken.co.jp.

juken.jp and woodone.ne.jp are among domains that share the same name servers.

At least some of juken.jp's name servers are shared with other domains, for example 221.211.203.in-addr.arpa, nstclassica.co.jp, ama1.jp and two more.

These name servers tend to be used in conjunction with the name servers ns.mcnet.ad.jp.

Host names that have two IP addresses:

ns2.mcnet.ad.jp resolves to 210.172.32.132 and 2001:350:2:17::2.

Host names that point to one IP address:

dns1.juken.co.jp resolves to 210.163.221.2.