centcore.com - dns.ninja
centcore.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=1784839147 | ||||||
MX for
centcore.com |
Same first word
centcore.com |
Similar names
DNS History
11 records (7 active, 4 former)
○NSmaster.dns.ne.jp2015-07-04 → 2017-04-04 · 4 obs
● 2017-04-04 09:14:14
○ 2026-03-04 18:10:56
○ 2026-07-23 20:50:58
○NSns1.dns.ne.jp2015-07-04 → 2017-04-04 · 4 obs
● 2017-04-04 09:14:14
○ 2026-03-04 18:10:56
○ 2026-07-23 20:50:58
●NSns1.xserver.jp2026-03-04 → 2026-07-23 · 3 obs
● 2026-03-04 18:10:56
● 2026-07-23 20:50:58
○NSns2.dns.ne.jp2015-07-04 → 2017-04-04 · 4 obs
● 2017-04-04 09:14:14
○ 2026-03-04 18:10:56
○ 2026-07-23 20:50:58
●NSns2.xserver.jp2026-03-04 → 2026-07-23 · 3 obs
● 2026-03-04 18:10:56
● 2026-07-23 20:50:58
●NSns3.xserver.jp2026-03-04 → 2026-07-23 · 3 obs
● 2026-03-04 18:10:56
● 2026-07-23 20:50:58
●NSns4.xserver.jp2026-03-04 → 2026-07-23 · 3 obs
● 2026-03-04 18:10:56
● 2026-07-23 20:50:58
●NSns5.xserver.jp2026-03-04 → 2026-07-23 · 3 obs
● 2026-03-04 18:10:56
● 2026-07-23 20:50:58
●MXcentcore.com2015-07-04 → 2026-07-23 · 2 obs
● 2026-07-23 20:50:58
●A162.43.101.1382026-03-04 → 2026-07-23 · 3 obs
● 2026-03-04 18:10:56
● 2026-07-23 20:50:58
○A219.94.162.322015-07-04 → 2017-04-04 · 4 obs
● 2017-04-04 09:14:14
○ 2026-03-04 18:10:56
○ 2026-07-23 20:50:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| centcore.com | ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp... | - |
✅ Authoritative Response
Server:202.226.36.164
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 centcore.com (unsigned zone)
⏱️ Timing
Total: 4187ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 162.43.101.138 |
| NS | 5 | ns4.xserver.jp, ns3.xserver.jp... |
| MX | 1 | centcore.com (pri: 0) |
| TXT | 1 | v=spf1 +a:sv14937.xserver.jp +a:centcore |
| SOA | 1 | ns1.xserver.jp root.xserver.jp |
Analysis
Mail Server Role
centcore.com handles its own mail, functioning as its own mail server.
IP Addresses
centcore.com resolves to just one IP address, 162.43.101.138.
Two other host names, along with okano-jidousya.com, act-parking.co.jp and fukushoreform.com, also share IP numbers with centcore.com.
Name Servers
centcore.com delegates to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.
There is at least partial name server overlap between centcore.com and other domains — riverfreak.jp, omochaba.com, knife0125.net and two more among them.
These name servers frequently co-occur with the name servers ns4.xserver.jp and ns5.xserver.jp.
Hostnames that map to 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 that point to one 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
centcore.com is served by just one mail server: centcore.com.
There is one IP number for centcore.com: 162.43.101.138.