`buk.jp`

DNSSEC	⚠️ Not signed
NS	`dns01.chicappa.jp` ⚠️ Not in zone NS records
		A	202.239.23.48^{🇯🇵 IDC202.239.23.0/24 Frontier Inc.}
NS	`dns02.chicappa.jp` ⚠️ Not in zone NS records
		A	160.251.249.28^{🇯🇵 GMOOSK-NET160.251.128.0/17 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=1782969302

Same first word

buk.us

buk.nl

buk.daegu.kr

buk.sk

buk.ch

buk.lt

buk.cl

buk.net

buk.com

buk.org

buk.gr

buk.cn

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buk.edu.ng

buk.jp

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Similar names

kbu.org.ua

kub.kh.ua

kbu.us

ubk.ch

kub.energy

ubk.co.uk

kub.km.ua

ukb.fr

ukb.cz

bku.nl

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ubk.su

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kbu.at

kub.ru

ubk.co

ubk.pl

ubk.de

ubk.com.au

ukb.be

kub.cc

bku.kr

ubk.net

bku.at

kbu.ch

kbu.ir

bku.hu

ukb.edu.vn

bku.ca

bku.cn

kub.com.au

kub.co

bku.ac.id

kbu.kz

kbu.cc

kbu.dk

ubk.es

kbu.fr

bku.eu

kub.dk

kbu.info

kub.ua

ubk.com

kub.hr

kbu.sk

ukb.co.za

bku.org

kub.or.at

bku.edu.vn

kub.in

kbu.by

bku.com

ubk.cn

ubk.hu

kub.tv

ukb.in.ua

ubk.org.tr

kub.rs

ukb.com

bku.mobi

ubk.ac.id

kub.fr

kub.media

kub.it

ukb.ac.id

kub.at

kub.ma

DNS History

5 records (2 active, 3 former)

●NSdns01.chicappa.jp2015-07-09 → 2026-07-02 · 2 obs

● 2015-07-09 18:40:52
● 2026-07-02 05:33:00

●NSdns02.chicappa.jp2015-07-09 → 2026-07-02 · 2 obs

● 2015-07-09 18:40:52
● 2026-07-02 05:33:00

○MXmx01.lolipop.jp2015-07-09 → 2021-07-29 · 4 obs

● 2015-07-09 18:40:52
● 2021-07-29 06:39:02
○ 2026-06-14 17:30:30
○ 2026-07-02 05:33:00

○A157.7.107.1302016-05-27 → 2021-07-29 · 5 obs

○ 2016-02-08 23:24:54
● 2016-05-27 04:05:34
● 2021-07-29 06:39:02
○ 2026-06-14 17:30:30
○ 2026-07-02 05:33:00

○A203.189.109.2432015-07-09 → 2016-02-08 · 4 obs

● 2015-07-09 18:40:52
● 2016-02-08 23:24:54
○ 2016-05-27 04:05:34
○ 2026-07-02 05:33:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
buk.jp	dns01.chicappa.jp, dns02.chicappa.jp	2 records

✅ Authoritative Response

Server:202.239.23.48

NS records: dns01.chicappa.jp, dns02.chicappa.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for buk.jp (unsigned zone)

⏱️ Timing

Total: 2534ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (dns02.chicappa.jp, dns01.chicappa.jp)

Analysis

Name Servers

buk.jp uses two name servers for its delegation: dns01.chicappa.jp and dns02.chicappa.jp.

buk.jp shares its name server setup with other domains, including alice-shop.com, chillout.jp, sfem.net and two others.

There is at least partial name server overlap between buk.jp and other domains — manshinro.com, galasha.com, pc9.biz and two more among them.

These name servers frequently co-occur with the name servers uns01.lolipop.jp and uns02.lolipop.jp.

dns01.chicappa.jp → 202.239.23.48 and dns02.chicappa.jp → 160.251.249.28: one IP number per host name.

buk.jp - robtex.com

buk.jp

jp