7swc.jp - robtex.com

7swc.jp

DNSSEC⚠️ Not signed
A202.226.39.148🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRsv308.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
MX7swc.jp
A202.226.39.148🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRsv308.xserver.jp
TXTv=spf1 +a:sv308.xserver.jp +a:7swc.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=1785142803

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.jpMX7swc.jpA202.226.39.148
NSns1.xserver.jp2026-02-27 → 2026-07-27 · 2 obs
● 2026-02-27 08:00:42
● 2026-07-27 09:06:14
NSns2.xserver.jp2026-02-27 → 2026-07-27 · 2 obs
● 2026-02-27 08:00:42
● 2026-07-27 09:06:14
NSns3.xserver.jp2026-02-27 → 2026-07-27 · 2 obs
● 2026-02-27 08:00:42
● 2026-07-27 09:06:14
NSns4.xserver.jp2026-02-27 → 2026-07-27 · 2 obs
● 2026-02-27 08:00:42
● 2026-07-27 09:06:14
NSns5.xserver.jp2026-02-27 → 2026-07-27 · 2 obs
● 2026-02-27 08:00:42
● 2026-07-27 09:06:14
MX7swc.jp2026-02-27 → 2026-07-27 · 2 obs
● 2026-02-27 08:00:42
● 2026-07-27 09:06:14
A202.226.39.1482026-02-27 → 2026-07-27 · 2 obs
● 2026-02-27 08:00:42
● 2026-07-27 09:06:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
7swc.jpns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...11 records

✅ Authoritative Response

Server:202.226.36.170

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 7swc.jp (unsigned zone)

⏱️ Timing

Total: 917ms | Queries: -

📄 Records

TypeCountSample Data
A1202.226.39.148
NS5ns4.xserver.jp, ns1.xserver.jp...
MX17swc.jp (pri: 0)
TXT1v=spf1 +a:sv308.xserver.jp +a:7swc.jp +m
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

7swc.jp acts as its own mail server.

IP Addresses

7swc.jp points to a single IP number: 202.226.39.148.

Additional host names — bantsuma.com, thecookbook.info, red-company.net and two others — share IP numbers with 7swc.jp.

Name Servers

Delegation for 7swc.jp is to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.

7swc.jp shares at least some of its name servers with other domains, including kotsuban-care.com, shopping-cart.jp, ircue.com and two others.

These name servers are frequently paired with the name servers ns4.xserver.jp and ns5.xserver.jp.

Host names with three IP numbers:

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.

Host names pointing to a single 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

7swc.jp has a single mail server: 7swc.jp itself.

7swc.jp resolves to 202.226.39.148 and no other IP number.