b-nr.com - robtex.com

b-nr.com

DNSSEC⚠️ Not signed
A183.90.253.29🇯🇵 XSERVER-AS183.90.240.0/20 XSERVER Inc.
PTRsv1428.xserver.jp
NSns1.xserver.jp ⭐
A202.226.36.164🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
A202.226.36.170🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
A202.226.36.246🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns1.xserver.jp
NSns2.xserver.jp
A35.72.43.26🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix
PTRns2.xserver.jp
NSns3.xserver.jp
A202.226.36.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns3.xserver.jp
NSns4.xserver.jp
A183.90.224.226🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
A183.90.224.230🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
A202.226.39.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns4.xserver.jp
NSns5.xserver.jp
A157.112.182.218🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.
A157.112.182.220🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.
A202.226.37.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns5.xserver.jp
MXb-nr.com ⭐
A183.90.253.29🇯🇵 XSERVER-AS183.90.240.0/20 XSERVER Inc.
PTRsv1428.xserver.jp
TXTv=spf1 +a:sv1428.xserver.jp +a:b-nr.com +mx include:spf.sender.xserver.jp ~all
SOAns1.xserver.jproot@xserver.jp serial=0

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1785238842

MX for

b-nr.com

Same first word

b-nr.com

Similar names

rb-n.ru
n-br.de

DNS History

16 records (7 active, 9 former)

2017201820192020202120222023202420252026NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpns1.sedoparking.comns2.sedoparking.comns29.domaincontrol.comns30.domaincontrol.comMXb-nr.comlocalhostmailstore1.secureserver.netsmtp.secureserver.netA183.90.253.29184.168.221.5172.52.4.91
○NSns1.sedoparking.com2016-12-21 → 2016-12-21 · 3 obs
● 2016-12-21 05:38:08
○ 2017-03-18 20:14:22
○ 2026-07-28 11:55:28
●NSns1.xserver.jp2026-02-27 → 2026-07-28 · 3 obs
○ 2017-03-18 20:14:22
● 2026-02-27 18:21:14
● 2026-07-28 11:55:28
○NSns2.sedoparking.com2016-12-21 → 2016-12-21 · 3 obs
● 2016-12-21 05:38:08
○ 2017-03-18 20:14:22
○ 2026-07-28 11:55:28
●NSns2.xserver.jp2026-02-27 → 2026-07-28 · 3 obs
○ 2017-03-18 20:14:22
● 2026-02-27 18:21:14
● 2026-07-28 11:55:28
○NSns29.domaincontrol.com2017-03-18 → 2017-03-18 · 4 obs
○ 2016-12-21 05:38:08
● 2017-03-18 20:14:22
○ 2026-02-27 18:21:14
○ 2026-07-28 11:55:28
●NSns3.xserver.jp2026-02-27 → 2026-07-28 · 3 obs
○ 2017-03-18 20:14:22
● 2026-02-27 18:21:14
● 2026-07-28 11:55:28
○NSns30.domaincontrol.com2017-03-18 → 2017-03-18 · 4 obs
○ 2016-12-21 05:38:08
● 2017-03-18 20:14:22
○ 2026-02-27 18:21:14
○ 2026-07-28 11:55:28
●NSns4.xserver.jp2026-02-27 → 2026-07-28 · 3 obs
○ 2017-03-18 20:14:22
● 2026-02-27 18:21:14
● 2026-07-28 11:55:28
●NSns5.xserver.jp2026-02-27 → 2026-07-28 · 3 obs
○ 2017-03-18 20:14:22
● 2026-02-27 18:21:14
● 2026-07-28 11:55:28
●MXb-nr.com2026-02-27 → 2026-07-28 · 3 obs
○ 2017-03-18 20:14:22
● 2026-02-27 18:21:14
● 2026-07-28 11:55:28
○MXlocalhost2016-12-21 → 2016-12-21 · 3 obs
● 2016-12-21 05:38:08
○ 2017-03-18 20:14:22
○ 2026-07-28 11:55:28
○MXmailstore1.secureserver.net2017-03-18 → 2017-03-18 · 4 obs
○ 2016-12-21 05:38:08
● 2017-03-18 20:14:22
○ 2026-02-27 18:21:14
○ 2026-07-28 11:55:28
○MXsmtp.secureserver.net2017-03-18 → 2017-03-18 · 4 obs
○ 2016-12-21 05:38:08
● 2017-03-18 20:14:22
○ 2026-02-27 18:21:14
○ 2026-07-28 11:55:28
●A183.90.253.292026-02-27 → 2026-07-28 · 3 obs
○ 2017-03-18 20:14:22
● 2026-02-27 18:21:14
● 2026-07-28 11:55:28
○A184.168.221.512017-03-18 → 2017-03-18 · 4 obs
○ 2016-12-21 05:38:08
● 2017-03-18 20:14:22
○ 2026-02-27 18:21:14
○ 2026-07-28 11:55:28
○A72.52.4.912016-12-21 → 2016-12-21 · 3 obs
● 2016-12-21 05:38:08
○ 2017-03-18 20:14:22
○ 2026-07-28 11:55:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comf.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net...-
b-nr.comns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...-

✅ Authoritative Response

Server:202.226.36.246

NS records: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for b-nr.com (unsigned zone)

⏱️ Timing

Total: 1191ms | Queries: -

📄 Records

TypeCountSample Data
A1183.90.253.29
NS5ns4.xserver.jp, ns2.xserver.jp...
MX1b-nr.com (pri: 0)
TXT1v=spf1 +a:sv1428.xserver.jp +a:b-nr.com
SOA1ns1.xserver.jp root.xserver.jp

Analysis

Mail Server Role

The MX record for b-nr.com points back to b-nr.com — it is its own mail server.

IP Addresses

b-nr.com directs to one IP number, which is 183.90.253.29.

Among the host names that share IP numbers with b-nr.com are duze.co.jp, cyclingproject.org, contents-write.com and two others.

Name Servers

The authoritative name servers for b-nr.com are ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.

At least some of b-nr.com's name servers are shared with other domains, for example pmpo.or.jp, kaigan.world, tofu.ne.jp and two more.

These name servers tend to be deployed in combination with the name servers ns4.xserver.jp and ns5.xserver.jp.

Hosts with three IP address records:

ns1.xserver.jp has IP addresses 202.226.36.164, 202.226.36.170 and 202.226.36.246.

ns4.xserver.jp has IP addresses 183.90.224.226, 183.90.224.230 and 202.226.39.247.

ns5.xserver.jp has IP addresses 157.112.182.218, 157.112.182.220 and 202.226.37.247.

Hosts that resolve to one IP address:

ns2.xserver.jp directs to 35.72.43.26.

ns3.xserver.jp directs to 202.226.36.247.

Mail Servers

The MX record for b-nr.com points to a single mail server: b-nr.com.

b-nr.com has exactly one IP number: 183.90.253.29.