comsy.co.jp - robtex.com

comsy.co.jp

DNSSEC⚠️ Not signed
A183.90.241.19🇯🇵 XSERVER-AS183.90.240.0/20 XSERVER Inc.
PTRsv7498.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
MXcomsy.co.jp
A183.90.241.19🇯🇵 XSERVER-AS183.90.240.0/20 XSERVER Inc.
PTRsv7498.xserver.jp
TXTv=spf1 +a:sv7498.xserver.jp +a:comsy.co.jp +mx include:spf.sender.xserver.jp ...
SOAns1.xserver.jproot@xserver.jp serial=0

co.jp

DNSSEC⚠️ Not signed
TXTco.jp.
WOT: SAFE (58/100)

MX for

Same first word

Similar names

DNS History

12 records (7 active, 5 former)

20192020202120222023202420252026NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpmanage.asp-frontier.netns01.asp-frontier.netns02.asp-frontier.netMXcomsy.co.jpmail.comsy.co.jpA183.90.241.19219.99.172.97
NSmanage.asp-frontier.net2018-08-16 → 2018-08-16 · 3 obs
● 2018-08-16 08:07:04
○ 2026-06-28 23:10:58
○ 2026-07-22 19:09:12
NSns01.asp-frontier.net2018-08-16 → 2018-08-16 · 3 obs
● 2018-08-16 08:07:04
○ 2026-06-28 23:10:58
○ 2026-07-22 19:09:12
NSns02.asp-frontier.net2018-08-16 → 2018-08-16 · 3 obs
● 2018-08-16 08:07:04
○ 2026-06-28 23:10:58
○ 2026-07-22 19:09:12
NSns1.xserver.jp2026-06-28 → 2026-07-22 · 3 obs
○ 2018-08-16 08:07:04
● 2026-06-28 23:10:58
● 2026-07-22 19:09:12
NSns2.xserver.jp2026-06-28 → 2026-07-22 · 3 obs
○ 2018-08-16 08:07:04
● 2026-06-28 23:10:58
● 2026-07-22 19:09:12
NSns3.xserver.jp2026-06-28 → 2026-07-22 · 3 obs
○ 2018-08-16 08:07:04
● 2026-06-28 23:10:58
● 2026-07-22 19:09:12
NSns4.xserver.jp2026-06-28 → 2026-07-22 · 3 obs
○ 2018-08-16 08:07:04
● 2026-06-28 23:10:58
● 2026-07-22 19:09:12
NSns5.xserver.jp2026-06-28 → 2026-07-22 · 3 obs
○ 2018-08-16 08:07:04
● 2026-06-28 23:10:58
● 2026-07-22 19:09:12
MXcomsy.co.jp2026-06-28 → 2026-07-22 · 3 obs
○ 2018-08-16 08:07:04
● 2026-06-28 23:10:58
● 2026-07-22 19:09:12
MXmail.comsy.co.jp2018-08-16 → 2018-08-16 · 3 obs
● 2018-08-16 08:07:04
○ 2026-06-28 23:10:58
○ 2026-07-22 19:09:12
A183.90.241.192026-06-28 → 2026-07-22 · 3 obs
○ 2018-08-16 08:07:04
● 2026-06-28 23:10:58
● 2026-07-22 19:09:12
A219.99.172.972018-08-16 → 2018-08-16 · 3 obs
● 2018-08-16 08:07:04
○ 2026-06-28 23:10:58
○ 2026-07-22 19:09:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpd.dns.jp, e.dns.jp, f.dns.jp, c.dns.jp...-
comsy.co.jpns3.xserver.jp, ns2.xserver.jp, ns4.xserver.jp, ns1.xserver.jp...11 records

✅ Authoritative Response

Server:202.226.36.164

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for comsy.co.jp (unsigned zone)

⏱️ Timing

Total: 528ms | Queries: -

📄 Records

TypeCountSample Data
A1183.90.241.19
NS5ns2.xserver.jp, ns4.xserver.jp...
MX1comsy.co.jp (pri: 0)
TXT1v=spf1 +a:sv7498.xserver.jp +a:comsy.co.
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

comsy.co.jp serves as a mail server for comsy.co.jp.

IP Addresses

comsy.co.jp has exactly one IP address — 183.90.241.19.

starland.ne.jp, pirca.net, plus-idea.net plus two other host names have IP numbers in common with comsy.co.jp.

Name Servers

Five name servers handle delegation for comsy.co.jp: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.

The name servers of comsy.co.jp overlap at least partially with those of other domains — among them a-englishquests-school.com, m-aslan.com, timealive.jp and two more.

These name servers commonly appear alongside the name servers ns4.xserver.jp and ns5.xserver.jp.

Host names carrying three IP numbers:

The hostname ns1.xserver.jp points to 202.226.36.164, 202.226.36.170 and 202.226.36.246.

The hostname ns4.xserver.jp points to 183.90.224.226, 183.90.224.230 and 202.226.39.247.

The hostname ns5.xserver.jp points to 157.112.182.218, 157.112.182.220 and 202.226.37.247.

Host names resolving to a single IP address:

The hostname ns2.xserver.jp resolves to 35.72.43.26.

The hostname ns3.xserver.jp resolves to 202.226.36.247.

Mail Servers

comsy.co.jp uses exactly one mail server, which is comsy.co.jp.

comsy.co.jp carries a single IP number, which is 183.90.241.19.