backst.jp - robtex.com

backst.jp

DNSSEC⚠️ Not signed
A162.43.120.143🇯🇵 XSERVER-AS162.43.0.0/17 XSERVER Inc.
PTRsv14142.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
MXbackst.jp ⭐
A162.43.120.143🇯🇵 XSERVER-AS162.43.0.0/17 XSERVER Inc.
PTRsv14142.xserver.jp
TXTv=spf1 +a:sv14142.xserver.jp +a:backst.jp +mx include:spf.sender.xserver.jp ~all
SOAns1.xserver.jproot@xserver.jp serial=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=1774779303
WOT: SAFE (60/100)

MX for

backst.jp

Same first word

backst.jp
backst.com

Similar names

bstack.com
bstack.net
kbcats.com
stackb.com
stback.com
kcatbs.org
bstack.fr
bctask.com
astkbc.jp
kacbst.com
catsbk.com
btcask.com
askbtc.com
bstack.ovh
btcksa.com
stback.de
kbasct.com

DNS History

19 records (7 active, 12 former)

20162017201820192020202120222023202420252026NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jp01.dnsv.jp02.dnsv.jp03.dnsv.jp04.dnsv.jpMXbackst.jpalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comA162.43.120.143153.122.36.211
○NS01.dnsv.jp2015-08-18 → 2017-05-18 · 3 obs
● 2015-08-18 15:58:02
● 2017-05-18 02:33:24
○ 2026-03-29 10:34:08
○NS02.dnsv.jp2015-08-18 → 2017-05-18 · 3 obs
● 2015-08-18 15:58:02
● 2017-05-18 02:33:24
○ 2026-03-29 10:34:08
○NS03.dnsv.jp2015-08-18 → 2017-05-18 · 3 obs
● 2015-08-18 15:58:02
● 2017-05-18 02:33:24
○ 2026-03-29 10:34:08
○NS04.dnsv.jp2015-08-18 → 2017-05-18 · 3 obs
● 2015-08-18 15:58:02
● 2017-05-18 02:33:24
○ 2026-03-29 10:34:08
●NSns1.xserver.jp2026-03-29 → 2026-03-29 · 2 obs
○ 2017-05-18 02:33:24
● 2026-03-29 10:34:08
●NSns2.xserver.jp2026-03-29 → 2026-03-29 · 2 obs
○ 2017-05-18 02:33:24
● 2026-03-29 10:34:08
●NSns3.xserver.jp2026-03-29 → 2026-03-29 · 2 obs
○ 2017-05-18 02:33:24
● 2026-03-29 10:34:08
●NSns4.xserver.jp2026-03-29 → 2026-03-29 · 2 obs
○ 2017-05-18 02:33:24
● 2026-03-29 10:34:08
●NSns5.xserver.jp2026-03-29 → 2026-03-29 · 2 obs
○ 2017-05-18 02:33:24
● 2026-03-29 10:34:08
○MXalt1.aspmx.l.google.com2015-08-18 → 2017-05-18 · 3 obs
● 2015-08-18 15:58:02
● 2017-05-18 02:33:24
○ 2026-03-29 10:34:08
○MXalt2.aspmx.l.google.com2015-08-18 → 2017-05-18 · 3 obs
● 2015-08-18 15:58:02
● 2017-05-18 02:33:24
○ 2026-03-29 10:34:08
○MXalt3.aspmx.l.google.com2015-08-18 → 2016-03-12 · 4 obs
● 2015-08-18 15:58:02
● 2016-03-12 09:02:38
○ 2017-05-18 02:33:24
○ 2026-03-29 10:34:08
○MXalt4.aspmx.l.google.com2015-08-18 → 2016-03-12 · 4 obs
● 2015-08-18 15:58:02
● 2016-03-12 09:02:38
○ 2017-05-18 02:33:24
○ 2026-03-29 10:34:08
○MXaspmx.l.google.com2015-08-18 → 2017-05-18 · 3 obs
● 2015-08-18 15:58:02
● 2017-05-18 02:33:24
○ 2026-03-29 10:34:08
○MXaspmx2.googlemail.com2017-05-18 → 2017-05-18 · 3 obs
○ 2016-03-12 09:02:38
● 2017-05-18 02:33:24
○ 2026-03-29 10:34:08
○MXaspmx3.googlemail.com2017-05-18 → 2017-05-18 · 3 obs
○ 2016-03-12 09:02:38
● 2017-05-18 02:33:24
○ 2026-03-29 10:34:08
●MXbackst.jp2026-03-29 → 2026-03-29 · 2 obs
○ 2017-05-18 02:33:24
● 2026-03-29 10:34:08
○A153.122.36.2112015-08-18 → 2017-05-18 · 3 obs
● 2015-08-18 15:58:02
● 2017-05-18 02:33:24
○ 2026-03-29 10:34:08
●A162.43.120.1432026-03-29 → 2026-03-29 · 2 obs
○ 2017-05-18 02:33:24
● 2026-03-29 10:34:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
backst.jpns4.xserver.jp, ns5.xserver.jp, ns1.xserver.jp, ns2.xserver.jp...11 records

✅ Authoritative Response

Server:202.226.36.164

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for backst.jp (unsigned zone)

⏱️ Timing

Total: 781ms | Queries: -

📄 Records

TypeCountSample Data
A1162.43.120.143
NS5ns2.xserver.jp, ns3.xserver.jp...
MX1backst.jp (pri: 0)
TXT1v=spf1 +a:sv14142.xserver.jp +a:backst.j
SOA1ns1.xserver.jp root.xserver.jp

📌 Glue Records Collected

Total: 11

Out-of-bailiwick: 11 (ns1.xserver.jp, ns1.xserver.jp, ns1.xserver.jp...)

Analysis

Mail Server Role

backst.jp serves as the mail server for backst.jp.

IP Addresses

backst.jp resolves to a single IP address: 162.43.120.143.

Other host names including 3mm.tv, kmz.jp, www.hirakatacity.com, miyahara.jp and fukimusic.jp share IP numbers with backst.jp.

Name Servers

backst.jp is delegated to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.

backst.jp at least partially shares name servers with other domains, including colour-create.com, mitsui-ringyo.com, rec-okinawa.com, equivalencytheorem.info and hamachan.info.

Host names with three IP numbers:

ns1.xserver.jp points to: 202.226.36.164, 202.226.36.170 and 202.226.36.246.

ns4.xserver.jp points to: 183.90.224.226, 183.90.224.230 and 202.226.39.247.

ns5.xserver.jp points to: 157.112.182.218, 157.112.182.220 and 202.226.37.247.

Host names with one IP number:

ns2.xserver.jp points to: 35.72.43.26.

ns3.xserver.jp points to: 202.226.36.247.

Mail Servers

A single mail server handles backst.jp.

backst.jp points to a single IP: 162.43.120.143.