kotetsu.info - robtex.com

kotetsu.info

DNSSEC⚠️ Not signed
A2400:8500:1301:162::15:1🇯🇵 GMO-INTERNET2400:8500:1000::/36 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan
PTRv2005.coreserver.jp
A163.44.176.15🇯🇵 GMO-INTERNET163.44.176.0/20 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan
NSns1.value-domain.com ⭐
A172.64.52.38🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.52.161🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns2.value-domain.com
A172.64.53.3🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.53.115🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns3.value-domain.com ⚠️ Not in zone NS records
A172.64.52.38🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.52.161🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
MXkotetsu.info ⭐
A2400:8500:1301:162::15:1🇯🇵 GMO-INTERNET2400:8500:1000::/36 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan
PTRv2005.coreserver.jp
A163.44.176.15🇯🇵 GMO-INTERNET163.44.176.0/20 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan
PTRv2005.coreserver.jp
TXTv=spf1 ip4:163.44.176.15 ip6:2400:8500:1301:162::15:1 include:mxr.valueserver...
SOAns1.value-domain.comhostmaster@kotetsu.info 2024-01-16 #10

info

DNSSEC🔒 Signed (DS record present)
NSa0.info.afilias-nst.info ⭐
NSa2.info.afilias-nst.info
NSb0.info.afilias-nst.org ⚠️ Not in parent delegation
NSb2.info.afilias-nst.org ⚠️ Not in parent delegation
NSc0.info.afilias-nst.info
NSd0.info.afilias-nst.org ⚠️ Not in parent delegation
SOAa0.info.afilias-nst.infohostmaster@donuts.email serial=1776077903
WOT: UNKNOWN (68/100)

MX for

kotetsu.info

Same first word

kotetsu.org
kotetsu.tv
kotetsu.jp
kotetsu.biz
kotetsu.link
kotetsu.net
kotetsu.info
kotetsu.com
kotetsu.co.jp

Similar names

tetsuko.net
kesttou.com.br
tetsuko.jp
sktuote.eu
sktuote.net
suketto.jp
totusek.com
tetsuko.com
outstek.com
sktuote.fi
tetsuko.nfshost.com
tetsuko.dk
settoku.com
tetusok.cc
suketto.net
tetsuko.co.jp
sktuote.com
kuotest.com
totesuk.com
tsukote.com
sktuote.ru
otukset.fi

DNS History

7 records (6 active, 1 former)

20162017201820192020202120222023202420252026NSns1.value-domain.comns2.value-domain.comns3.value-domain.comMXkotetsu.infoA163.44.176.152400:8500:1301:162::15:1202.172.26.47
●NSns1.value-domain.com2015-08-13 → 2026-04-13 · 2 obs
● 2015-08-13 14:43:00
● 2026-04-13 11:23:02
●NSns2.value-domain.com2015-08-13 → 2026-04-13 · 2 obs
● 2015-08-13 14:43:00
● 2026-04-13 11:23:02
●NSns3.value-domain.com2026-02-24 → 2026-04-13 · 3 obs
○ 2015-08-13 14:43:00
● 2026-02-24 17:44:18
● 2026-04-13 11:23:02
●MXkotetsu.info2015-08-13 → 2026-04-13 · 2 obs
● 2015-08-13 14:43:00
● 2026-04-13 11:23:02
●A163.44.176.152026-02-24 → 2026-04-13 · 3 obs
○ 2016-08-29 00:29:54
● 2026-02-24 17:44:18
● 2026-04-13 11:23:02
○A202.172.26.472015-08-13 → 2016-08-29 · 4 obs
● 2015-08-13 14:43:00
● 2016-08-29 00:29:54
○ 2026-02-24 17:44:18
○ 2026-04-13 11:23:02
●A2400:8500:1301:162::15:12026-02-24 → 2026-04-13 · 3 obs
○ 2016-08-29 00:29:54
● 2026-02-24 17:44:18
● 2026-04-13 11:23:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
infoa0.info.afilias-nst.info, c0.info.afilias-nst.info, a2.info.afilias-nst.info-
kotetsu.infons2.value-domain.com, ns3.value-domain.com, ns1.value-domain.com-

✅ Authoritative Response

Server:172.64.52.38

NS records: ns2.value-domain.com, ns3.value-domain.com, ns1.value-domain.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kotetsu.info (unsigned zone)

⏱️ Timing

Total: 733ms | Queries: -

📄 Records

TypeCountSample Data
A1163.44.176.15
AAAA12400:8500:1301:162::15:1
NS2ns2.value-domain.com, ns1.value-domain.com
MX1kotetsu.info (pri: 10)
TXT1v=spf1 ip4:163.44.176.15 ip6:2400:8500:1
SOA1ns1.value-domain.com hostmaster.kotetsu.

Analysis

Mail Server Role

kotetsu.info serves as the mail server for kotetsu.info.

IP Addresses

kotetsu.info points to two IP numbers: 2400:8500:1301:162::15:1 and 163.44.176.15.

Other host names such as ykysd.com, ns1.system-canvas.com, artist-union.com, ns.vt-1ban.com and monk-jp.com share IP numbers with kotetsu.info.

Name Servers

kotetsu.info is delegated to three name servers: ns1.value-domain.com, ns2.value-domain.com and ns3.value-domain.com.

At least part of the name servers for kotetsu.info are shared with other domains, for instance gurentai.net, esealshop.net, guuglu.com, cgis.biz and kunonet.com.

these name servers are commonly used with ns4.value-domain.com, ns5.value-domain.com, ns11.value-domain.com, ns12.value-domain.com and ns13.value-domain.com.

Host names with two IP numbers:

ns1.value-domain.com points to 172.64.52.38 and 172.64.52.161.

ns2.value-domain.com points to 172.64.53.3 and 172.64.53.115.

ns3.value-domain.com points to 172.64.52.38 and 172.64.52.161.

Names pointing to 172.64.52.38: ns1.value-domain.com and ns3.value-domain.com.

Names pointing to 172.64.52.161: ns1.value-domain.com and ns3.value-domain.com.

Mail Servers

Mail for kotetsu.info is handled by a single mail server, kotetsu.info.

Hostname kotetsu.info resolves to two IPs: 2400:8500:1301:162::15:1 and 163.44.176.15.