ybt.jp - robtex.com

ybt.jp

DNSSEC⚠️ Not signed
NSmaster.dns.ne.jp ⭐
A210.224.172.18🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRmaster.dns.ne.jp
NSns1.dns.ne.jp
A61.211.236.1🇯🇵 SAKURA-B61.211.236.0/24 (4/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRns1.dns.ne.jp
NSns2.dns.ne.jp
A133.167.21.1🇯🇵 SAKURA-C133.167.21.0/24 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan
PTRns2.dns.ne.jp
SOAmaster.dns.ne.jptech@sakura.ad.jp 2015-08-04 #0

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=1785733202

Same first word

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tby.com.au
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ytb.jp
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ytb.com.cn
byt.pl
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tby.com.hk
byt.ro
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tyb.cc
ytb.cn
byt.com.ve
tyb.net.cn
ytb.fr
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byt.vn
byt.id
ytb.ca
ytb.de
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byt.sk
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tyb.com.uy

DNS History

3 records (3 active, 0 former)

20162017201820192020202120222023202420252026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jp
●NSmaster.dns.ne.jp2015-08-23 → 2026-08-03 · 2 obs
● 2015-08-23 03:34:14
● 2026-08-03 05:10:40
●NSns1.dns.ne.jp2015-08-23 → 2026-08-03 · 2 obs
● 2015-08-23 03:34:14
● 2026-08-03 05:10:40
●NSns2.dns.ne.jp2015-08-23 → 2026-08-03 · 2 obs
● 2015-08-23 03:34:14
● 2026-08-03 05:10:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
ybt.jpns1.dns.ne.jp, ns2.dns.ne.jp2 records

✅ Authoritative Response

Server:61.211.236.1

NS records: ns1.dns.ne.jp, ns2.dns.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ybt.jp (unsigned zone)

⏱️ Timing

Total: 1069ms | Queries: -

📄 Records

TypeCountSample Data
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
SOA1master.dns.ne.jp tech.sakura.ad.jp

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns2.dns.ne.jp, ns1.dns.ne.jp)

Analysis

Name Servers

ybt.jp is served by three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

There is at least partial name server overlap between ybt.jp and other domains — tomatokan.sakura.ne.jp, lajapan.net, skillbox.co.jp and two more among them.

These name servers are routinely deployed together with the name servers dns.sakura.ad.jp.

master.dns.ne.jp has IP address 210.224.172.18, ns1.dns.ne.jp has IP address 61.211.236.1 and ns2.dns.ne.jp has IP address 133.167.21.1 — one address each.