tcon.jp - robtex.com

tcon.jp

DNSSEC⚠️ Not signed
A85.131.207.149🇯🇵 XSERVER-AS85.131.192.0/18 XSERVER Inc.
PTRsv16408.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
MXtcon.jp ⭐
A85.131.207.149🇯🇵 XSERVER-AS85.131.192.0/18 XSERVER Inc.
PTRsv16408.xserver.jp
TXTv=spf1 +a:sv16408.xserver.jp +a:tcon.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=1784310302

MX for

tcon.jp

Same first word

tcon.kr
tcon.net
tcon.com
tcon.cz
tcon.it
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tcon.lv
tcon.se
tcon.pl
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tcon.kiev.ua
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tcon.es

Similar names

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cont.com.tw
cont.pl
tnoc.org
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ncot.com
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cotn.info
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ncot.sk
ntoc.net
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cnto.org.au
octn.cn
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noct.info
tocn.ne.jp
cotn.ru
cont.org.br
octn.in
ontc.uk
cnto.cn
cton.org
tnco.jp
tocn.ad.jp
otcn.com
cont.jp
ocnt.net
cont.st
cnto.de
noct.in
tcno.net
noct.online
ontc.ca
cotn.co.uk
cnto.com.cn
cont.tw
notc.se
tnoc.nl
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cont.se
noct.org
cnot.org.tn
noct.ru
cotn.me
cont.pt
tocn.no
ocnt.ru
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cton.jp
octn.com
tnoc.ru
ntco.ru
ctno.com.br
cont.ro
cont.sk
ncot.ru
ntco.in
ntoc.cn
ntco.nl
cont.me
cont.cz
tnco.ch
cont.at
cont.md
cnot.xyz
cont.ru
cton.com
notc.no
cotn.nl
cton.co.kr
cont.com.br
ntoc.ru
ntco.de
ntco.ie
cont.ar
octn.jp
ntoc.kr
ctno.nl
cton.net
cnot.nl
noct.it
ontc.on.ca

DNS History

7 records (7 active, 0 former)

NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpMXtcon.jpA85.131.207.149
●NSns1.xserver.jp2026-05-25 → 2026-07-17 · 2 obs
● 2026-05-25 10:38:20
● 2026-07-17 18:01:38
●NSns2.xserver.jp2026-05-25 → 2026-07-17 · 2 obs
● 2026-05-25 10:38:20
● 2026-07-17 18:01:38
●NSns3.xserver.jp2026-05-25 → 2026-07-17 · 2 obs
● 2026-05-25 10:38:20
● 2026-07-17 18:01:38
●NSns4.xserver.jp2026-05-25 → 2026-07-17 · 2 obs
● 2026-05-25 10:38:20
● 2026-07-17 18:01:38
●NSns5.xserver.jp2026-05-25 → 2026-07-17 · 2 obs
● 2026-05-25 10:38:20
● 2026-07-17 18:01:38
●MXtcon.jp2026-05-25 → 2026-07-17 · 2 obs
● 2026-05-25 10:38:20
● 2026-07-17 18:01:38
●A85.131.207.1492026-05-25 → 2026-07-17 · 2 obs
● 2026-05-25 10:38:20
● 2026-07-17 18:01:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
tcon.jpns4.xserver.jp, ns5.xserver.jp, ns3.xserver.jp, ns2.xserver.jp...11 records

✅ Authoritative Response

Server:157.112.182.218

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tcon.jp (unsigned zone)

⏱️ Timing

Total: 1123ms | Queries: -

📄 Records

TypeCountSample Data
A185.131.207.149
NS5ns2.xserver.jp, ns5.xserver.jp...
MX1tcon.jp (pri: 0)
TXT1v=spf1 +a:sv16408.xserver.jp +a:tcon.jp
SOA1ns1.xserver.jp root.xserver.jp

📌 Glue Records Collected

Total: 11

Out-of-bailiwick: 11 (ns5.xserver.jp, ns5.xserver.jp, ns5.xserver.jp...)

Analysis

Mail Server Role

tcon.jp acts as its own mail server.

IP Addresses

tcon.jp points to a single IP number: 85.131.207.149.

Additional host names — po.ibc-net.org, k-k-labo.com, mail.maximum-models.com and two others — share IP numbers with tcon.jp.

Name Servers

Delegation for tcon.jp is to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.

At least some of tcon.jp's name servers are shared with other domains, for example morimoto-koutarou.com, s-benri.net, kumon-sw.jp and two more.

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

Host names with three IP numbers:

ns1.xserver.jp resolves to 202.226.36.164, 202.226.36.170 and 202.226.36.246.

ns4.xserver.jp resolves to 183.90.224.226, 183.90.224.230 and 202.226.39.247.

ns5.xserver.jp resolves to 157.112.182.218, 157.112.182.220 and 202.226.37.247.

Host names pointing to a single IP address:

ns2.xserver.jp resolves to 35.72.43.26.

ns3.xserver.jp resolves to 202.226.36.247.

Mail Servers

tcon.jp has a single mail server: tcon.jp itself.

tcon.jp points to one IP number — 85.131.207.149.