kouei-nn.com - robtex.com

kouei-nn.com

DNSSEC⚠️ Not signed
A183.181.81.98🇯🇵 XSERVER-AS183.181.80.0/22 XSERVER Inc.
PTRsv10417.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
MXkouei-nn.com
A183.181.81.98🇯🇵 XSERVER-AS183.181.80.0/22 XSERVER Inc.
PTRsv10417.xserver.jp
TXTv=spf1 +a:sv10417.xserver.jp +a:kouei-nn.com +mx include:spf.sender.xserver.j...
SOAns1.xserver.jproot@xserver.jp serial=0

com

MX for

Same first word

Similar names

DNS History

11 records (7 active, 4 former)

2017201820192020202120222023202420252026NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpns1.quicca.comns2.quicca.comMXkouei-nn.comA183.181.81.98183.90.238.2054.65.193.202
NSns1.quicca.com2016-12-15 → 2016-12-15 · 3 obs
● 2016-12-15 22:56:46
○ 2018-05-27 21:50:34
○ 2026-06-01 20:53:40
NSns1.xserver.jp2018-05-27 → 2026-06-01 · 3 obs
○ 2016-12-15 22:56:46
● 2018-05-27 21:50:34
● 2026-06-01 20:53:40
NSns2.quicca.com2016-12-15 → 2016-12-15 · 3 obs
● 2016-12-15 22:56:46
○ 2018-05-27 21:50:34
○ 2026-06-01 20:53:40
NSns2.xserver.jp2018-05-27 → 2026-06-01 · 3 obs
○ 2016-12-15 22:56:46
● 2018-05-27 21:50:34
● 2026-06-01 20:53:40
NSns3.xserver.jp2018-05-27 → 2026-06-01 · 3 obs
○ 2016-12-15 22:56:46
● 2018-05-27 21:50:34
● 2026-06-01 20:53:40
NSns4.xserver.jp2018-05-27 → 2026-06-01 · 3 obs
○ 2016-12-15 22:56:46
● 2018-05-27 21:50:34
● 2026-06-01 20:53:40
NSns5.xserver.jp2018-05-27 → 2026-06-01 · 3 obs
○ 2016-12-15 22:56:46
● 2018-05-27 21:50:34
● 2026-06-01 20:53:40
MXkouei-nn.com2016-12-15 → 2026-06-01 · 2 obs
● 2016-12-15 22:56:46
● 2026-06-01 20:53:40
A183.181.81.982026-03-09 → 2026-06-01 · 3 obs
○ 2018-05-27 21:50:34
● 2026-03-09 03:13:20
● 2026-06-01 20:53:40
A183.90.238.202018-05-27 → 2018-05-27 · 4 obs
○ 2016-12-15 22:56:46
● 2018-05-27 21:50:34
○ 2026-03-09 03:13:20
○ 2026-06-01 20:53:40
A54.65.193.2022016-12-15 → 2016-12-15 · 3 obs
● 2016-12-15 22:56:46
○ 2018-05-27 21:50:34
○ 2026-06-01 20:53:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comi.gtld-servers.net, b.gtld-servers.net, e.gtld-servers.net, l.gtld-servers.net...-
kouei-nn.comns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...-

✅ Authoritative Response

Server:202.226.39.247

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kouei-nn.com (unsigned zone)

⏱️ Timing

Total: 2977ms | Queries: -

📄 Records

TypeCountSample Data
A1183.181.81.98
NS5ns4.xserver.jp, ns2.xserver.jp...
MX1kouei-nn.com (pri: 0)
TXT1v=spf1 +a:sv10417.xserver.jp +a:kouei-nn
SOA1ns1.xserver.jp root.xserver.jp

Analysis

Mail Server Role

kouei-nn.com serves as a mail server for kouei-nn.com.

IP Addresses

kouei-nn.com has exactly one IP address — 183.181.81.98.

sarobetsu.info, kanekaese.com, sarobetsu.net plus two other host names have IP numbers in common with kouei-nn.com.

Name Servers

kouei-nn.com has 5 name servers handling its delegation — ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp plus two more.

The name servers of kouei-nn.com overlap at least partially with those of other domains — among them koumuin-shiken.com, hana-kentei.com, apleem.com 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:

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 with one IP number:

ns2.xserver.jp resolves to 35.72.43.26.

ns3.xserver.jp resolves to 202.226.36.247.

Mail Servers

kouei-nn.com uses exactly one mail server, which is kouei-nn.com.

kouei-nn.com points to one IP number — 183.181.81.98.