theoryofprogramming.com - dns.ninja
theoryofprogramming.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=1782872436 | ||||||
Previously MX for
theoryofprogramming.com |
Same first word
theoryofprogramming.com |
DNS History
12 records (4 active, 8 former)
○NSlaunch1.spaceship.net2026-05-17 → 2026-07-01 · 2 obs
○ 2026-07-01 02:25:32
○NSlaunch2.spaceship.net2026-05-17 → 2026-07-01 · 2 obs
○ 2026-07-01 02:25:32
○NSns1.cp-20.webhostbox.net2016-12-05 → 2016-12-30 · 4 obs
● 2016-12-30 00:48:34
○ 2026-05-17 09:47:26
○ 2026-07-01 02:25:32
●NSns1.parkingcrew.net2026-05-17 → 2026-07-01 · 3 obs
● 2026-05-17 09:47:26
● 2026-07-01 02:25:32
○NSns2.cp-20.webhostbox.net2016-12-05 → 2016-12-30 · 4 obs
● 2016-12-30 00:48:34
○ 2026-05-17 09:47:26
○ 2026-07-01 02:25:32
●NSns2.parkingcrew.net2026-05-17 → 2026-07-01 · 3 obs
● 2026-05-17 09:47:26
● 2026-07-01 02:25:32
●MXmail.h-email.net2026-05-17 → 2026-07-01 · 5 obs
● 2026-05-17 09:47:26
○ 2026-06-03 01:06:00
● 2026-06-27 02:53:24
● 2026-07-01 02:25:32
○MXtheoryofprogramming.com2016-12-05 → 2016-12-30 · 4 obs
● 2016-12-30 00:48:34
○ 2026-05-17 09:47:26
○ 2026-07-01 02:25:32
●A104.247.81.992026-05-17 → 2026-07-01 · 3 obs
● 2026-05-17 09:47:26
● 2026-07-01 02:25:32
○A208.91.198.1702016-12-05 → 2016-12-30 · 4 obs
● 2016-12-30 00:48:34
○ 2026-05-17 09:47:26
○ 2026-07-01 02:25:32
○A44.232.173.2492026-05-17 → 2026-07-01 · 2 obs
○ 2026-07-01 02:25:32
○A52.40.42.1132026-05-17 → 2026-07-01 · 2 obs
○ 2026-07-01 02:25:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| theoryofprogramming.com | ns1.parkingcrew.net, ns2.parkingcrew.net | - |
✅ Authoritative Response
Server:13.248.158.159
NS records: ns1.parkingcrew.net, ns2.parkingcrew.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for theoryofprogramming.com (unsigned zone)
⏱️ Timing
Total: 513ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 104.247.81.99 |
| NS | 2 | ns1.parkingcrew.net, ns2.parkingcrew.net |
| MX | 1 | mail.h-email.net (pri: 5) |
| TXT | 1 | v=spf1 ip6:fd1b:212c:a5f9::/48 -all |
| SOA | 1 | ns1.parkingcrew.net hostmaster.theoryofp |
Analysis
IP Addresses
theoryofprogramming.com has exactly one IP address — 104.247.81.99.
www.youngasianphotos.com, www.esute.info, kersur.com plus two other host names have IP numbers in common with theoryofprogramming.com.
Name Servers
theoryofprogramming.com uses two name servers for its delegation: ns1.parkingcrew.net and ns2.parkingcrew.net.
The name server configuration of theoryofprogramming.com is shared with other domains, for instance grupo-va.solostocks.com.mx, hoteldelapointefouesnant.com, nojib.eshost.es and two others.
theoryofprogramming.com has at least partial name server overlap with other domains, such as 97.html.sitebuilder.trade-th.com, wgm.in, static-23.105.194.14-tataidc.co.in and two others.
It is common to find these name servers paired with the name servers verification-gtqfjejeoke9r3uonbsh8e.ns101.verify.hn.
ns1.parkingcrew.net directs to 13.248.158.159 and ns2.parkingcrew.net directs to 76.223.21.9; each host name points to exactly one IP number.
Mail Servers
theoryofprogramming.com uses one mail server — mail.h-email.net.
The mail server setup of theoryofprogramming.com matches that of other domains such as aqw.se, taieri.co.nz, portail.minerg-appelsa.ch and two others.
mail.h-email.net has 10 IP addresses: 5.75.171.74, 5.161.98.212, 5.161.194.135 plus 7 more.