`nrb.ac.jp`

DNSSEC	⚠️ Not signed
A	85.131.197.94^{🇯🇵 XSERVER-AS85.131.192.0/18 XSERVER Inc.}
		PTR	`sv16153.xserver.jp`
NS	`01.dnsv.jp` ⭐
		A	2400:8500:3300::53^{🇯🇵 GMO-DNS2400:8500:3300::/48 GMO Internet,inc.}
			PTR	`01.dnsv.jp`
		A	157.7.32.53^{🇯🇵 GMO-DNS157.7.32.0/24 GMO Internet,inc. Network-Team.}
			PTR	`01.dnsv.jp`
NS	`02.dnsv.jp`
		A	157.7.33.53^{🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team.}
			PTR	`02.dnsv.jp`
NS	`03.dnsv.jp`
		A	2400:8500:3000::53^{🇯🇵 GMO-DNS2400:8500:3000::/48 GMO Internet,inc.}
			PTR	`03.dnsv.jp`
		A	157.7.34.53^{🇯🇵 GMO-DNS157.7.34.0/24 GMO Internet,inc. Network-Team.}
			PTR	`03.dnsv.jp`
NS	`04.dnsv.jp`
		A	2400:8500:3fff::53^{🇯🇵 GMO-DNS2400:8500:3fff::/48 GMO Internet,inc.}
			PTR	`04.dnsv.jp`
		A	157.7.35.53^{🇯🇵 GMO-DNS157.7.35.0/24 GMO Internet,inc. Network-Team.}
			PTR	`04.dnsv.jp`
MX	`www2150.sakura.ne.jp` ⭐
		A	2403:3a00:101:15:182:48:49:60^{🇯🇵 SAKURA-C2403:3a00::/32 SAKURA Internet // OSAKA BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan}
			PTR	`www2150.sakura.ne.jp`
		A	182.48.49.60^{🇯🇵 SAKURA-C182.48.0.0/18 (6/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`www2150.sakura.ne.jp`
TXT	`v=spf1 a:www2150.sakura.ne.jp mx ~all`
SOA	`01.dnsv.jp`hostmaster@dnsv.jp serial=1757919486

`ac.jp`

	DNSSEC	⚠️ Not signed
	TXT	`ac.jp.`

WOT: SAFE (67/100)
WOT: SAFE (80/100)

Subdomains

www.nrb.ac.jp

Same first word

nrb.co.kr

nrb.ventures

nrb.com.cn

nrb.pt

nrb.info

nrb.org

nrb.com.au

nrb.de

nrb.gov.pk

nrb.jp

nrb.at

nrb.co.in

nrb.ind.br

nrb.nl

nrb.ie

nrb.company

nrb.net

nrb.ca

nrb.as

nrb.eu

nrb.tv

nrb.cz

nrb.ch

nrb.co.nz

nrb.no

nrb.ac.jp

nrb.gov.mw

nrb.co.za

nrb.dk

nrb.cn

nrb.ru

nrb.pl

nrb.es

nrb.us

nrb.be

nrb.lt

nrb.su

nrb.com.tw

nrb.me

nrb.se

Similar names

nbr.com

rbn.es

nbr.gov.br

bnr.ro

nbr.ovh

nbr.net

bnr.no

rbn.cl

brn.at

brn.systems

rbn.education

rnb.ch

nbr.ch

brn.pl

bnr.bg

nbr.nl

brn.com.pk

bnr.cz

rnb.co.in

rnb.uz

rbn.one

rnb.com.mx

rnb.ro

rbn.tv

brn.md

nbr.co.jp

nbr.ru

nbr.net.au

nbr.inf.br

nbr.co.il

nbr.gov.bh

nbr.ac.th

bnr.co.za

nbr.ro

nbr.lu

nbr.at

rbn.gr

nbr.de

nbr.link

rnb.de

rnb.co.za

rnb.dk

brn.co.th

rnb.no

nbr.be

brn.co.il

rbn.pl

rnb.cc

bnr.kiev.ua

rbn.it

nbr.biz

rnb.be

rbn.com.mx

bnr.nl

rbn.org

brn.co.za

rnb.co.jp

nbr.ca

brn.co

brn.sh

rnb.su

nbr.nz

nbr.com.tr

nbr.it

nbr.co

nbr.dk

rnb.solar

brn.com.br

brn.doctor

brn.dk

bnr.rw

bnr.co

rbn.ovh

brn.li

bnr.co.kr

nbr.xyz

rbn.de

rbn.me

nbr.cz

brn.co.id

rnb.asia

nbr.fi

bnr.kr

brn.us

nbr.jp

nbr.co.nz

brn.in

nbr.immo

nbr.by

brn.kz

rbn.at

rnb.co

rnb.ee

brn.be

brn.nl

bnr.ca

rnb.kr

bnr.dk

brn.com.es

brn.com

rbn.info

nbr.kz

bnr.us

brn.ir

rnb.me

bnr.international

rnb.properties

brn.me

nbr.eu

rbn.world

brn.ovh

rbn.net

brn.se

nbr.nu

rbn.net.id

rbn.dk

nbr.org

brn.go.th

brn.no

bnr.gr

rbn.com

rnb.in

rnb.com.hk

nbr.com.ua

brn.cc

brn.ru

bnr.com.au

brn.tv

rnb.fi

bnr.com

brn.it

brn.ch

rbn.jp

nbr.loans

bnr.kz

rbn.be

bnr.cl

bnr.nyc

bnr.es

rbn.cn

bnr.ch

rnb.tv

DNS History

14 records (6 active, 8 former)

●NS01.dnsv.jp2021-05-14 → 2026-04-14 · 3 obs

○ 2017-03-16 13:03:00
● 2021-05-14 00:54:26
● 2026-04-14 11:49:38

●NS02.dnsv.jp2021-05-14 → 2026-04-14 · 3 obs

○ 2017-03-16 13:03:00
● 2021-05-14 00:54:26
● 2026-04-14 11:49:38

●NS03.dnsv.jp2021-05-14 → 2026-04-14 · 3 obs

○ 2017-03-16 13:03:00
● 2021-05-14 00:54:26
● 2026-04-14 11:49:38

●NS04.dnsv.jp2021-05-14 → 2026-04-14 · 3 obs

○ 2017-03-16 13:03:00
● 2021-05-14 00:54:26
● 2026-04-14 11:49:38

○NSns4.cpi.ad.jp2015-08-15 → 2017-03-16 · 4 obs

● 2015-08-15 14:09:18
● 2017-03-16 13:03:00
○ 2021-05-14 00:54:26
○ 2026-04-14 11:49:38

○NSns5.cpi.ad.jp2015-08-15 → 2017-03-16 · 4 obs

● 2015-08-15 14:09:18
● 2017-03-16 13:03:00
○ 2021-05-14 00:54:26
○ 2026-04-14 11:49:38

○MXm115.secure.ne.jp2021-05-14 → 2021-05-14 · 4 obs

○ 2017-03-16 13:03:00
● 2021-05-14 00:54:26
○ 2026-03-29 16:51:46
○ 2026-04-14 11:49:38

○MXvlmx20.secure.ne.jp2015-08-15 → 2017-03-16 · 4 obs

● 2015-08-15 14:09:18
● 2017-03-16 13:03:00
○ 2021-05-14 00:54:26
○ 2026-04-14 11:49:38

○MXvlmx21.secure.ne.jp2015-08-15 → 2017-03-16 · 4 obs

● 2015-08-15 14:09:18
● 2017-03-16 13:03:00
○ 2021-05-14 00:54:26
○ 2026-04-14 11:49:38

○MXvlmx22.secure.ne.jp2015-08-15 → 2017-03-16 · 4 obs

● 2015-08-15 14:09:18
● 2017-03-16 13:03:00
○ 2021-05-14 00:54:26
○ 2026-04-14 11:49:38

●MXwww2150.sakura.ne.jp2026-03-29 → 2026-04-14 · 3 obs

○ 2021-05-14 00:54:26
● 2026-03-29 16:51:46
● 2026-04-14 11:49:38

○A158.199.138.792015-08-15 → 2017-03-16 · 4 obs

● 2015-08-15 14:09:18
● 2017-03-16 13:03:00
○ 2021-05-14 00:54:26
○ 2026-04-14 11:49:38

○A163.43.87.2322021-05-14 → 2021-05-14 · 4 obs

○ 2017-03-16 13:03:00
● 2021-05-14 00:54:26
○ 2026-03-29 16:51:46
○ 2026-04-14 11:49:38

●A85.131.197.942026-03-29 → 2026-04-14 · 3 obs

○ 2021-05-14 00:54:26
● 2026-03-29 16:51:46
● 2026-04-14 11:49:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
nrb.ac.jp	04.dnsv.jp, 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp	7 records

✅ Authoritative Response

Server:157.7.34.53

NS records: 04.dnsv.jp, 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for nrb.ac.jp (unsigned zone)

⏱️ Timing

Total: 756ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`85.131.197.94`
NS	4	`01.dnsv.jp, 02.dnsv.jp...`
MX	1	`www2150.sakura.ne.jp (pri: 10)`
TXT	1	`v=spf1 a:www2150.sakura.ne.jp mx ~all`
SOA	1	`01.dnsv.jp hostmaster.dnsv.jp`

📌 Glue Records Collected

Total: 7

Out-of-bailiwick: 7 (01.dnsv.jp, 01.dnsv.jp, 02.dnsv.jp...)

Analysis

Hierarchy

nrb.ac.jp is the parent of www.nrb.ac.jp.

IP Addresses

nrb.ac.jp resolves to a single IP address: 85.131.197.94.

Other host names including 1nichi1shoku.com, gts-cpa.com, www.konchukan.net, sv16153.xserver.jp and nihongoplayers.com share IP numbers with nrb.ac.jp.

Name Servers

nrb.ac.jp is delegated to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.

nrb.ac.jp at least partially shares name servers with other domains, including ojico.net, dword.jp, 415yoiko.jp, icsp.co.jp and kahantei.com.

Host names with two IP numbers:

01.dnsv.jp points to 2400:8500:3300::53 and 157.7.32.53.

03.dnsv.jp points to 2400:8500:3000::53 and 157.7.34.53.

04.dnsv.jp points to 2400:8500:3fff::53 and 157.7.35.53.

Host names with one IP number:

02.dnsv.jp points to 157.7.33.53.

Mail Servers

nrb.ac.jp is handled by a single mail server, www2150.sakura.ne.jp.

nrb.ac.jp shares its mail server setup with other domains, including ubimon.jp, kyokushi.com, 30ruekeller.com, imuzon.com and einscode.com.

nrb.ac.jp shares some mail servers with other domains, for instance statenote.jp, t-sokuho.jp, sagyo.jp and m-senkyo.jp.

these mail servers are commonly used alongside the mail servers minimum.sakura.ne.jp.

www2150.sakura.ne.jp points to two IPs: 2403:3a00:101:15:182:48:49:60 and 182.48.49.60.

nrb.ac.jp - robtex.com

nrb.ac.jp

ac.jp

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`nrb.ac.jp`

`ac.jp`