pc-u.com - dns.ninja

pc-u.com

DNSSEC⚠️ Not signed
A85.131.197.43🇯🇵 XSERVER-AS85.131.192.0/18 XSERVER Inc.
PTRsv16102.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
MXpc-u.com
A85.131.197.43🇯🇵 XSERVER-AS85.131.192.0/18 XSERVER Inc.
PTRsv16102.xserver.jp
TXTv=spf1 +a:sv16102.xserver.jp +a:pc-u.com +mx include:spf.sender.xserver.jp ~all
SOAns1.xserver.jproot@xserver.jp serial=0

com

MX for

Subdomains

Same first word

Similar names

DNS History

11 records (7 active, 4 former)

200920112013201520172019202120232025NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpns1.jpdns.jpns2.jpdns.jpMXpc-u.commail.pc-u.comA85.131.197.43210.239.8.163
NSns1.jpdns.jp2008-03-19 → 2017-07-04 · 4 obs
● 2008-03-19 06:27:54
● 2017-07-04 10:37:06
○ 2026-04-06 02:09:40
○ 2026-08-02 19:14:18
NSns1.xserver.jp2026-04-06 → 2026-08-02 · 3 obs
○ 2017-07-04 10:37:06
● 2026-04-06 02:09:40
● 2026-08-02 19:14:18
NSns2.jpdns.jp2008-03-19 → 2017-07-04 · 4 obs
● 2008-03-19 06:27:54
● 2017-07-04 10:37:06
○ 2026-04-06 02:09:40
○ 2026-08-02 19:14:18
NSns2.xserver.jp2026-04-06 → 2026-08-02 · 3 obs
○ 2017-07-04 10:37:06
● 2026-04-06 02:09:40
● 2026-08-02 19:14:18
NSns3.xserver.jp2026-04-06 → 2026-08-02 · 3 obs
○ 2017-07-04 10:37:06
● 2026-04-06 02:09:40
● 2026-08-02 19:14:18
NSns4.xserver.jp2026-04-06 → 2026-08-02 · 3 obs
○ 2017-07-04 10:37:06
● 2026-04-06 02:09:40
● 2026-08-02 19:14:18
NSns5.xserver.jp2026-04-06 → 2026-08-02 · 3 obs
○ 2017-07-04 10:37:06
● 2026-04-06 02:09:40
● 2026-08-02 19:14:18
MXmail.pc-u.com2008-03-19 → 2017-07-04 · 4 obs
● 2008-03-19 06:27:54
● 2017-07-04 10:37:06
○ 2026-04-06 02:09:40
○ 2026-08-02 19:14:18
MXpc-u.com2026-04-06 → 2026-08-02 · 3 obs
○ 2017-07-04 10:37:06
● 2026-04-06 02:09:40
● 2026-08-02 19:14:18
A210.239.8.1632008-03-19 → 2017-07-04 · 4 obs
● 2008-03-19 06:27:54
● 2017-07-04 10:37:06
○ 2026-04-06 02:09:40
○ 2026-08-02 19:14:18
A85.131.197.432026-04-06 → 2026-08-02 · 3 obs
○ 2017-07-04 10:37:06
● 2026-04-06 02:09:40
● 2026-08-02 19:14:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
pc-u.comns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...-

✅ Authoritative Response

Server:202.226.36.246

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 pc-u.com (unsigned zone)

⏱️ Timing

Total: 991ms | Queries: -

📄 Records

TypeCountSample Data
A185.131.197.43
NS5ns3.xserver.jp, ns5.xserver.jp...
MX1pc-u.com (pri: 0)
TXT1v=spf1 +a:sv16102.xserver.jp +a:pc-u.com
SOA1ns1.xserver.jp root.xserver.jp

Analysis

Hierarchy

mail.pc-u.com is a subdomain of pc-u.com.

Mail Server Role

pc-u.com acts as its own mail server.

IP Addresses

pc-u.com points to a single IP number: 85.131.197.43.

Additional host names — bridgeworks.com.hk, pochilog.jp, onetory.net and two others — share IP numbers with pc-u.com.

Name Servers

Delegation for pc-u.com is to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.

The name servers of pc-u.com overlap at least partially with those of other domains — among them synclogue-navi.com, ramen-world.com, tokei.or.jp and two more.

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

Host names with three IP numbers:

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

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

ns5.xserver.jp resolves to three 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 points to the IP address 35.72.43.26.

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

Mail Servers

pc-u.com has a single mail server: pc-u.com itself.

There is one IP number for pc-u.com: 85.131.197.43.