pc-u.com - dns.ninja
pc-u.com
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1785698017 | ||||||
MX for
pc-u.com |
Subdomains
mail.pc-u.com |
Same first word
Similar names
up-c.ru |
u-pc.com |
u-pc.de |
u-pc.com.cn |
cp-u.com |
u-pc.tech |
c-up.co.jp |
c-up.com |
u-pc.jp |
c-pu.ru |
c-up.co.il |
cp-u.org |
cp-u.net |
c-up.me |
DNS History
11 records (7 active, 4 former)
○NSns1.jpdns.jp2008-03-19 → 2017-07-04 · 4 obs
● 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
● 2026-04-06 02:09:40
● 2026-08-02 19:14:18
○NSns2.jpdns.jp2008-03-19 → 2017-07-04 · 4 obs
● 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
● 2026-04-06 02:09:40
● 2026-08-02 19:14:18
●NSns3.xserver.jp2026-04-06 → 2026-08-02 · 3 obs
● 2026-04-06 02:09:40
● 2026-08-02 19:14:18
●NSns4.xserver.jp2026-04-06 → 2026-08-02 · 3 obs
● 2026-04-06 02:09:40
● 2026-08-02 19:14:18
●NSns5.xserver.jp2026-04-06 → 2026-08-02 · 3 obs
● 2026-04-06 02:09:40
● 2026-08-02 19:14:18
○MXmail.pc-u.com2008-03-19 → 2017-07-04 · 4 obs
● 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
● 2026-04-06 02:09:40
● 2026-08-02 19:14:18
○A210.239.8.1632008-03-19 → 2017-07-04 · 4 obs
● 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
● 2026-04-06 02:09:40
● 2026-08-02 19:14:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| pc-u.com | ns1.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
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 85.131.197.43 |
| NS | 5 | ns3.xserver.jp, ns5.xserver.jp... |
| MX | 1 | pc-u.com (pri: 0) |
| TXT | 1 | v=spf1 +a:sv16102.xserver.jp +a:pc-u.com |
| SOA | 1 | ns1.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.