reserver.co.jp - robtex.com

reserver.co.jp

DNSSEC⚠️ Not signed
A162.43.121.67🇯🇵 XSERVER-AS162.43.0.0/17 XSERVER Inc.
PTRsv14266.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
MXreserver.co.jp
A162.43.121.67🇯🇵 XSERVER-AS162.43.0.0/17 XSERVER Inc.
PTRsv14266.xserver.jp
TXTgoogle-site-verification=22pQpDsKpIeCW_Hs3lys2HxRpjrPW-pTClbAZC9z7eY
TXTv=spf1 +a:sv14266.xserver.jp +a:reserver.co.jp +mx include:spf.sender.xserver...
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

7 records (7 active, 0 former)

NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpMXreserver.co.jpA162.43.121.67
NSns1.xserver.jp2026-05-14 → 2026-08-03 · 2 obs
● 2026-05-14 20:43:54
● 2026-08-03 10:54:34
NSns2.xserver.jp2026-05-14 → 2026-08-03 · 2 obs
● 2026-05-14 20:43:54
● 2026-08-03 10:54:34
NSns3.xserver.jp2026-05-14 → 2026-08-03 · 2 obs
● 2026-05-14 20:43:54
● 2026-08-03 10:54:34
NSns4.xserver.jp2026-05-14 → 2026-08-03 · 2 obs
● 2026-05-14 20:43:54
● 2026-08-03 10:54:34
NSns5.xserver.jp2026-05-14 → 2026-08-03 · 2 obs
● 2026-05-14 20:43:54
● 2026-08-03 10:54:34
MXreserver.co.jp2026-05-14 → 2026-08-03 · 2 obs
● 2026-05-14 20:43:54
● 2026-08-03 10:54:34
A162.43.121.672026-05-14 → 2026-08-03 · 2 obs
● 2026-05-14 20:43:54
● 2026-08-03 10:54:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jph.dns.jp, d.dns.jp, a.dns.jp, f.dns.jp...-
reserver.co.jpns5.xserver.jp, ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp...11 records

✅ Authoritative Response

Server:202.226.36.247

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 reserver.co.jp (unsigned zone)

⏱️ Timing

Total: 750ms | Queries: -

📄 Records

TypeCountSample Data
A1162.43.121.67
NS5ns4.xserver.jp, ns3.xserver.jp...
MX1reserver.co.jp (pri: 0)
TXT2google-site-verification=22pQpDsKpIeCW_H, v=spf1 +a:sv14266.xserver.jp +a:reserver
SOA1ns1.xserver.jp root.xserver.jp

📌 Glue Records Collected

Total: 11

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

Analysis

Mail Server Role

The MX record for reserver.co.jp points back to reserver.co.jp — it is its own mail server.

IP Addresses

reserver.co.jp directs to one IP number, which is 162.43.121.67.

Among the host names that share IP numbers with reserver.co.jp are www.afs-fr.org, ns1.christmastoysite.com, mamesode.com and two others.

Name Servers

The authoritative name servers for reserver.co.jp are ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.

reserver.co.jp has at least partial name server overlap with other domains, such as kairakubld.co.jp, seminar-osaka.com, goodgenes-pua.com and two others.

It is common to see these name servers used together with name servers ns4.xserver.jp and ns5.xserver.jp.

Hosts with three IP address records:

ns1.xserver.jp maps to three IP addresses: 202.226.36.164, 202.226.36.170 and 202.226.36.246.

ns4.xserver.jp maps to three IP addresses: 183.90.224.226, 183.90.224.230 and 202.226.39.247.

ns5.xserver.jp maps to three IP addresses: 157.112.182.218, 157.112.182.220 and 202.226.37.247.

Hosts that resolve to one IP address:

ns2.xserver.jp resolves to the IP address 35.72.43.26.

ns3.xserver.jp resolves to the IP address 202.226.36.247.

Mail Servers

The MX record for reserver.co.jp points to a single mail server: reserver.co.jp.

reserver.co.jp resolves to 162.43.121.67 and no other IP number.