programcheck.net - dns.ninja
programcheck.net
net
| 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=1789718703 | ||||||
MX for
programcheck.net |
Same first word
programcheck.net |
programcheck.store |
programcheck.xyz |
Similar names
Previous names
Next names
DNS History
7 records (7 active, 0 former)
●NSns1.xserver.jp2026-08-28 → 2026-09-18 · 2 obs
● 2026-09-18 08:08:34
●NSns2.xserver.jp2026-08-28 → 2026-09-18 · 2 obs
● 2026-09-18 08:08:34
●NSns3.xserver.jp2026-08-28 → 2026-09-18 · 2 obs
● 2026-09-18 08:08:34
●NSns4.xserver.jp2026-08-28 → 2026-09-18 · 2 obs
● 2026-09-18 08:08:34
●NSns5.xserver.jp2026-08-28 → 2026-09-18 · 2 obs
● 2026-09-18 08:08:34
●MXprogramcheck.net2026-08-28 → 2026-09-18 · 2 obs
● 2026-09-18 08:08:34
●A183.181.96.822026-08-28 → 2026-09-18 · 2 obs
● 2026-09-18 08:08:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| programcheck.net | 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 programcheck.net (unsigned zone)
⏱️ Timing
Total: 2087ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 183.181.96.82 |
| NS | 5 | ns3.xserver.jp, ns5.xserver.jp... |
| MX | 1 | programcheck.net (pri: 0) |
| TXT | 1 | v=spf1 +a:sv12721.xserver.jp +a:programc |
| SOA | 1 | ns1.xserver.jp root.xserver.jp |
Analysis
Mail Server Role
programcheck.net serves as a mail server for programcheck.net.
IP Addresses
programcheck.net has exactly one IP address — 183.181.96.82.
ashinaganavi.com, miyabiredu.com, tsunaguzon.com plus two other host names have IP numbers in common with programcheck.net.
Name Servers
Five name servers handle delegation for programcheck.net: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.
At least some of programcheck.net's name servers are shared with other domains, for example nxxauura.com, ace-study.com, kaihatusta.co.jp and two more.
These name servers tend to be deployed in combination with the name servers ns4.xserver.jp and ns5.xserver.jp.
Host names carrying three IP numbers:
The hostname ns1.xserver.jp directs to 202.226.36.164, 202.226.36.170 and 202.226.36.246.
The hostname ns4.xserver.jp directs to 183.90.224.226, 183.90.224.230 and 202.226.39.247.
The hostname ns5.xserver.jp directs to 157.112.182.218, 157.112.182.220 and 202.226.37.247.
Host names resolving to a single IP address:
ns2.xserver.jp has the IP address 35.72.43.26.
ns3.xserver.jp has the IP address 202.226.36.247.
Mail Servers
programcheck.net uses exactly one mail server, which is programcheck.net.
programcheck.net directs to just one IP number, 183.181.96.82.