obt.jp - robtex.com

obt.jp

DNSSEC⚠️ Not signed
A183.90.242.27🇯🇵 XSERVER-AS183.90.240.0/20 XSERVER Inc.
PTRsv2126.xserver.jp
NSns1.xserver.jp ⭐
A202.226.36.164🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRip-202-226-36-164.defastlink.net
A202.226.36.170🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRip-202-226-36-170.defastlink.net
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.
PTRip-183-90-224-226.defastlink.net
A183.90.224.230🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
PTRip-183-90-224-230.defastlink.net
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.
PTRip-157-112-182-218.defastlink.net
A157.112.182.220🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.
PTRip-157-112-182-220.defastlink.net
A202.226.37.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns5.xserver.jp
MXobt.jp ⭐
A183.90.242.27🇯🇵 XSERVER-AS183.90.240.0/20 XSERVER Inc.
PTRsv2126.xserver.jp
TXTv=spf1 +a:sv2126.xserver.jp +a:obt.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=1771290902

Same first word

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obt.co.jp

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bto.cl
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otb.careers
bot.edu.au

DNS History

10 records (7 active, 3 former)

20162017201820192020202120222023202420252026NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpusr-ns1.linkclub.jpusr-ns2.linkclub.jpMXobt.jpA183.90.242.27219.118.71.30
●NSns1.xserver.jp2026-02-27 → 2026-02-27 · 3 obs
○ 2016-09-03 20:53:34
● 2026-02-27 02:41:38
● 2026-02-27 02:41:40
●NSns2.xserver.jp2026-02-27 → 2026-02-27 · 3 obs
○ 2016-09-03 20:53:34
● 2026-02-27 02:41:38
● 2026-02-27 02:41:40
●NSns3.xserver.jp2026-02-27 → 2026-02-27 · 3 obs
○ 2016-09-03 20:53:34
● 2026-02-27 02:41:38
● 2026-02-27 02:41:40
●NSns4.xserver.jp2026-02-27 → 2026-02-27 · 3 obs
○ 2016-09-03 20:53:34
● 2026-02-27 02:41:38
● 2026-02-27 02:41:40
●NSns5.xserver.jp2026-02-27 → 2026-02-27 · 3 obs
○ 2016-09-03 20:53:34
● 2026-02-27 02:41:38
● 2026-02-27 02:41:40
○NSusr-ns1.linkclub.jp2015-06-30 → 2016-09-03 · 4 obs
● 2015-06-30 04:33:44
● 2016-09-03 20:53:34
○ 2026-02-27 02:41:38
○ 2026-02-27 02:41:40
○NSusr-ns2.linkclub.jp2015-06-30 → 2016-09-03 · 4 obs
● 2015-06-30 04:33:44
● 2016-09-03 20:53:34
○ 2026-02-27 02:41:38
○ 2026-02-27 02:41:40
●MXobt.jp2026-02-27 → 2026-02-27 · 2 obs
● 2026-02-27 02:41:38
● 2026-02-27 02:41:40
●A183.90.242.272026-02-27 → 2026-02-27 · 3 obs
○ 2016-09-03 20:53:34
● 2026-02-27 02:41:38
● 2026-02-27 02:41:40
○A219.118.71.302015-06-30 → 2016-09-03 · 4 obs
● 2015-06-30 04:33:44
● 2016-09-03 20:53:34
○ 2026-02-27 02:41:38
○ 2026-02-27 02:41:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
obt.jpns5.xserver.jp, ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp...11 records

✅ Authoritative Response

Server: 157.112.182.218

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for obt.jp (unsigned zone)

⏱️ Timing

Total: 966ms | Queries: -

📄 Records

TypeCountSample Data
A1183.90.242.27
NS5ns2.xserver.jp, ns4.xserver.jp...
MX1obt.jp (pri: 0)
TXT1v=spf1 +a:sv2126.xserver.jp +a:obt.jp +m
SOA1ns1.xserver.jp root.xserver.jp

📌 Glue Records Collected

Total: 11

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

AI analysis

obt.jp points to IP number 183.90.242.27.

For instance, other host names kato-yosetsu.com, o-te.jp, matsuo-ikueikai.or.jp, www.suroll.jp and melinc.co.jp share IP numbers with obt.jp.

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

obt.jp shares name servers with other domains at least partially, for example panari.net, crazyoxygen.com, mail-jw.org, hangpara.jp and eisei-hp.com.

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.

obt.jp is handled by a single mail server, obt.jp.

obt.jp points to a single IP: 183.90.242.27.