bs4.jp - robtex.com

bs4.jp

DNSSEC🔒 Signed (DS record present)
A121.95.99.33🇯🇵 INFOWEB121.95.64.0/18 InfoWeb
NSns000.d-53.net ⭐
NSns015-bcc6rc0obge0n22r.b.d-53.info
A2001:240:bb81::28:46🇯🇵 IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 )
PTRs015.d-53.biz
A202.32.219.46🇯🇵 IIJ-AS202.32.0.0/16 IIJ IPv4 BLOCK ( AS2497 )
PTRs015.d-53.biz
NSns015-bcc6rc0obge0n22r.b.d-53.jp
A2001:240:bb81::29:1106🇯🇵 IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 )
PTRs015.d-53.org
A203.180.146.106🇯🇵 IIJ-AS203.180.0.0/16 IIJ IPv4 BLOCK ( AS2497 )
PTRs015.d-53.org
NSns015-bcc6rc0obge0n22r.b.d-53.net
A2001:240:bb81::29:106🇯🇵 IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 )
PTRs015.d-53.net
A210.138.20.106🇯🇵 IIJ-AS210.138.0.0/16 IIJ IPv4 BLOCK ( AS2497 )
PTRs015.d-53.net
SOAns000.d-53.netdns-managers@iij.ad.jp serial=286

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=1771290902
rank #51524 globally
rank #904 in the tld
WOT: SAFE (73/100)
📈 Tranco rank: #109,479

Subdomains

www.bs4.jp

Same first word

bs4.net
bs4.co
bs4.jp
bs4.de
bs4.info
bs4.it
bs4.direct
bs4.in
bs4.com
bs4.com.pl
bs4.net.pl
bs4.us
bs4.pl

Similar names

4sb.org
sb4.us
s4b.de
4bs.eu
sb4.de
s4b.co.il
s4b.at
b4s.co
s4b.email
b4s.jp
4bs.ru
4sb.com
s4b.com.vn
s4b.eu
s4b.uk.com
sb4.me
s4b.com.br
4bs.su
4sb.cn
s4b.be
4bs.org
sb4.com
s4b.it
b4s.by
sb4.it
b4s.bg
s4b.ca
b4s.sk
4bs.co.uk
b4s.de
s4b.lu
s4b.net.br
4bs.at
s4b.pl
sb4.co.uk
s4b.lt
b4s.be
4bs.net
s4b.org
s4b.ru
4bs.nl
b4s.pl
4sb.london
b4s.site
s4b.com.es
b4s.net
b4s.eu
b4s.in
s4b.com
sb4.nl
s4b.biz
sb4.ru
b4s.ru
s4b.digital
4bs.biz
b4s.me
s4b.mx
s4b.ee
4sb.pl
4sb.ch
s4b.co.uk
4bs.com.br
s4b.cn
b4s.org
b4s.com
b4s.at
s4b.fr
4sb.net
4sb.ru
b4s.cc
4bs.com
sb4.net
s4b.bz
4sb.de
b4s.se
s4b.nl
4bs.it
4bs.de
b4s.nl
4bs.us
b4s.fr
4bs.es

DNS History

8 records (5 active, 3 former)

200920112013201520172019202120232025NSns000.d-53.netns015-bcc6rc0obge0n22r.b.d-53.infons015-bcc6rc0obge0n22r.b.d-53.jpns015-bcc6rc0obge0n22r.b.d-53.netdns-b.iij.ad.jpdns-c.iij.ad.jpA121.95.99.33133.205.160.35
○NSdns-b.iij.ad.jp2008-12-08 → 2016-12-13 · 4 obs
● 2008-12-08 16:56:08
● 2016-12-13 09:06:00
○ 2026-03-05 16:57:52
○ 2026-03-05 16:57:54
○NSdns-c.iij.ad.jp2008-12-08 → 2016-12-13 · 4 obs
● 2008-12-08 16:56:08
● 2016-12-13 09:06:00
○ 2026-03-05 16:57:52
○ 2026-03-05 16:57:54
●NSns000.d-53.net2026-03-05 → 2026-03-05 · 3 obs
○ 2016-12-13 09:06:00
● 2026-03-05 16:57:52
● 2026-03-05 16:57:54
●NSns015-bcc6rc0obge0n22r.b.d-53.info2026-03-05 → 2026-03-05 · 3 obs
○ 2016-12-13 09:06:00
● 2026-03-05 16:57:52
● 2026-03-05 16:57:54
●NSns015-bcc6rc0obge0n22r.b.d-53.jp2026-03-05 → 2026-03-05 · 3 obs
○ 2016-12-13 09:06:00
● 2026-03-05 16:57:52
● 2026-03-05 16:57:54
●NSns015-bcc6rc0obge0n22r.b.d-53.net2026-03-05 → 2026-03-05 · 3 obs
○ 2016-12-13 09:06:00
● 2026-03-05 16:57:52
● 2026-03-05 16:57:54
●A121.95.99.332015-07-09 → 2026-03-05 · 3 obs
○ 2008-12-08 16:56:08
● 2015-07-09 05:05:20
● 2026-03-05 16:57:54
○A133.205.160.352008-12-08 → 2008-12-08 · 3 obs
● 2008-12-08 16:56:08
○ 2015-07-09 05:05:20
○ 2026-03-05 16:57:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, c.dns.jp, b.dns.jp, h.dns.jp...15 records
bs4.jpns015-bcc6rc0obge0n22r.b.d-53.net, ns015-bcc6rc0obge0n22r.b.d-53.info, ns015-bcc6rc0obge0n22r.b.d-53.jp-

✅ Authoritative Response

Server: 203.180.146.106

NS records: ns015-bcc6rc0obge0n22r.b.d-53.net, ns015-bcc6rc0obge0n22r.b.d-53.info, ns015-bcc6rc0obge0n22r.b.d-53.jp

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 974ms | Queries: -

📄 Records

TypeCountSample Data
A1121.95.99.33
NS3ns015-bcc6rc0obge0n22r.b.d-53.jp, ns015-bcc6rc0obge0n22r.b.d-53.net...
SOA1ns000.d-53.net dns-managers.iij.ad.jp

📌 Glue Records Collected

Total: 15

In-bailiwick: 15 (h.dns.jp, g.dns.jp, f.dns.jp...)

Analysis

Hierarchy

The parent of www.bs4.jp is bs4.jp.

IP Addresses

bs4.jp points to a single IP: 121.95.99.33.

Name Servers

bs4.jp's delegation is handled by four name servers: ns000.d-53.net, ns015-bcc6rc0obge0n22r.b.d-53.info, ns015-bcc6rc0obge0n22r.b.d-53.jp and ns015-bcc6rc0obge0n22r.b.d-53.net.

bs4.jp partially shares name servers with other domains; examples include princehotels.com, nca.jp, tokyo-gas.co.jp, iwataya-mitsukoshi.co.jp and sjnk.info.

These name servers are commonly used alongside dns-c.iij.ad.jp, dns-b.iij.ad.jp, rev.iij-dns.jp, rev.iij-dns.net, ns01.iij-dns.jp, ns00.iij-dns.net, ns.iij-dns.biz, ns.iij-dns.jp and ns.iij-dns.net.

Host names with two IP numbers:

ns015-bcc6rc0obge0n22r.b.d-53.info points to 2001:240:bb81::28:46 and 202.32.219.46.

ns015-bcc6rc0obge0n22r.b.d-53.jp points to 2001:240:bb81::29:1106 and 203.180.146.106.

ns015-bcc6rc0obge0n22r.b.d-53.net points to 2001:240:bb81::29:106 and 210.138.20.106.