programcheck.net - robtex.com
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=1788198275 | ||||||
MX for
programcheck.net |
Same first word
programcheck.net |
programcheck.xyz |
Similar names
Previous names
Next names
DNS History
7 records (7 active, 0 former)
●NSns1.xserver.jp2026-08-28 → 2026-08-31 · 2 obs
● 2026-08-31 18:03:08
●NSns2.xserver.jp2026-08-28 → 2026-08-31 · 2 obs
● 2026-08-31 18:03:08
●NSns3.xserver.jp2026-08-28 → 2026-08-31 · 2 obs
● 2026-08-31 18:03:08
●NSns4.xserver.jp2026-08-28 → 2026-08-31 · 2 obs
● 2026-08-31 18:03:08
●NSns5.xserver.jp2026-08-28 → 2026-08-31 · 2 obs
● 2026-08-31 18:03:08
●MXprogramcheck.net2026-08-28 → 2026-08-31 · 2 obs
● 2026-08-31 18:03:08
●A183.181.96.822026-08-28 → 2026-08-31 · 2 obs
● 2026-08-31 18:03:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | m.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net... | - |
| programcheck.net | ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp... | - |
✅ 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 programcheck.net (unsigned zone)
⏱️ Timing
Total: 1350ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 183.181.96.82 |
| NS | 5 | ns1.xserver.jp, ns3.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 is listed as a mail server for itself.
IP Addresses
programcheck.net resolves to one IP address: 183.181.96.82.
miyabiredu.com, avis-s.com, esquire-club.co.jp and two other host names share IP numbers with programcheck.net.
Name Servers
programcheck.net has five name servers, which are 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 ace-study.com, inaba-hairworks.net, munazo.org and two more.
These name servers tend to be deployed in combination with the name servers ns4.xserver.jp and ns5.xserver.jp.
Hostnames that resolve to three IP addresses:
ns1.xserver.jp resolves to 202.226.36.164, 202.226.36.170 and 202.226.36.246.
ns4.xserver.jp resolves to 183.90.224.226, 183.90.224.230 and 202.226.39.247.
ns5.xserver.jp resolves to 157.112.182.218, 157.112.182.220 and 202.226.37.247.
Hosts with just one IP address:
ns2.xserver.jp resolves to 35.72.43.26.
ns3.xserver.jp resolves to 202.226.36.247.
Mail Servers
Mail for programcheck.net is handled by one mail server — programcheck.net.
programcheck.net points to one IP number — 183.181.96.82.