programtheory.com - dns.ninja
programtheory.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=1790194874 | ||||||
Same first word
programtheory.com |
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DNS History
7 records (6 active, 1 former)
●NSns21.domaincontrol.com2015-07-21 → 2026-09-23 · 2 obs
● 2026-09-23 20:41:44
●NSns22.domaincontrol.com2017-03-26 → 2026-09-23 · 3 obs
● 2017-03-26 15:45:42
● 2026-09-23 20:41:44
●MXmailstore1.secureserver.net2015-07-21 → 2026-09-23 · 2 obs
● 2026-09-23 20:41:44
●MXsmtp.secureserver.net2015-07-21 → 2026-09-23 · 2 obs
● 2026-09-23 20:41:44
●A15.197.148.332026-09-03 → 2026-09-23 · 3 obs
● 2026-09-03 15:53:28
● 2026-09-23 20:41:44
●A3.33.130.1902026-09-03 → 2026-09-23 · 3 obs
● 2026-09-03 15:53:28
● 2026-09-23 20:41:44
○A50.63.202.612015-07-21 → 2019-03-25 · 4 obs
● 2019-03-25 04:44:56
○ 2026-09-03 15:53:28
○ 2026-09-23 20:41:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, c.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net... | - |
| programtheory.com | ns21.domaincontrol.com, ns22.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:97.74.100.11
NS records: ns21.domaincontrol.com, ns22.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for programtheory.com (unsigned zone)
⏱️ Timing
Total: 1039ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 3.33.130.190, 15.197.148.33 |
| NS | 2 | ns21.domaincontrol.com, ns22.domaincontrol.com |
| MX | 2 | mailstore1.secureserver.net (pri: 10), smtp.secureserver.net (pri: 0) |
| SOA | 1 | ns21.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns21.domaincontrol.com, ns21.domaincontrol.com, ns22.domaincontrol.com...)
Analysis
IP Addresses
programtheory.com directs to two IP numbers, 3.33.130.190 and 15.197.148.33
manufacturedmoments.com, shengfamily.com, germacidal.com and two other host names share IP numbers with programtheory.com.
Name Servers
The NS records for programtheory.com delegate to ns21.domaincontrol.com and ns22.domaincontrol.com.
programtheory.com uses the same name servers as several other domains — among them madeinbritaingifts.com, prairielandpackaging.com, hrkonnect.ai and two more.
ns21.domaincontrol.com resolves to 97.74.100.11 and 2603:5:2141::b. Likewise, ns22.domaincontrol.com resolves to 173.201.68.11 and 2603:5:2241::b — two IP addresses apiece.
Mail Servers
Mail for programtheory.com is handled by two mail servers — mailstore1.secureserver.net and smtp.secureserver.net.
programtheory.com uses an identical mail server configuration to several other domains — among them lukepalecek.com, hotnewdistresssales.com, actfinder.us and two more.
mailstore1.secureserver.net has three IP addresses (216.69.141.78, 216.69.141.114 and 216.69.141.162) and smtp.secureserver.net has three IP addresses (216.69.141.71, 216.69.141.84 and 216.69.141.113).