programmingclassroom.com - dns.ninja
programmingclassroom.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=1787877620 | ||||||
Subdomains
com.programmingclassroom.com |
Same first word
programmingclassroom.com |
Previous names
Next names
DNS History
21 records (10 active, 11 former)
●NSns-cloud-b1.googledomains.com2015-07-20 → 2026-08-28 · 2 obs
● 2026-08-28 00:49:00
●NSns-cloud-b2.googledomains.com2015-07-20 → 2026-08-28 · 2 obs
● 2026-08-28 00:49:00
●NSns-cloud-b3.googledomains.com2015-07-20 → 2026-08-28 · 2 obs
● 2026-08-28 00:49:00
●NSns-cloud-b4.googledomains.com2015-07-20 → 2026-08-28 · 2 obs
● 2026-08-28 00:49:00
●MXalt1.aspmx.l.google.com2015-07-20 → 2026-08-28 · 2 obs
● 2026-08-28 00:49:00
●MXalt2.aspmx.l.google.com2015-07-20 → 2026-08-28 · 2 obs
● 2026-08-28 00:49:00
●MXalt3.aspmx.l.google.com2026-05-13 → 2026-08-28 · 3 obs
● 2026-05-13 02:40:10
● 2026-08-28 00:49:00
●MXalt4.aspmx.l.google.com2026-05-13 → 2026-08-28 · 3 obs
● 2026-05-13 02:40:10
● 2026-08-28 00:49:00
●MXaspmx.l.google.com2015-07-20 → 2026-08-28 · 2 obs
● 2026-08-28 00:49:00
○MXaspmx2.googlemail.com2015-07-20 → 2017-03-22 · 4 obs
● 2017-03-22 13:35:20
○ 2026-05-13 02:40:10
○ 2026-08-28 00:49:00
○MXaspmx3.googlemail.com2015-07-20 → 2017-03-22 · 4 obs
● 2017-03-22 13:35:20
○ 2026-05-13 02:40:10
○ 2026-08-28 00:49:00
●A198.49.23.1452026-05-13 → 2026-08-28 · 3 obs
● 2026-05-13 02:40:10
● 2026-08-28 00:49:00
○A2001:4860:4802:32::152015-11-22 → 2017-03-22 · 5 obs
● 2015-11-22 19:53:14
● 2017-03-22 13:35:20
○ 2026-05-13 02:40:10
○ 2026-08-28 00:49:00
○A2001:4860:4802:34::152015-11-22 → 2017-03-22 · 5 obs
● 2015-11-22 19:53:14
● 2017-03-22 13:35:20
○ 2026-05-13 02:40:10
○ 2026-08-28 00:49:00
○A2001:4860:4802:36::152015-11-22 → 2017-03-22 · 5 obs
● 2015-11-22 19:53:14
● 2017-03-22 13:35:20
○ 2026-05-13 02:40:10
○ 2026-08-28 00:49:00
○A2001:4860:4802:38::152015-11-22 → 2017-03-22 · 5 obs
● 2015-11-22 19:53:14
● 2017-03-22 13:35:20
○ 2026-05-13 02:40:10
○ 2026-08-28 00:49:00
○A216.239.32.212015-11-22 → 2017-03-22 · 5 obs
● 2015-11-22 19:53:14
● 2017-03-22 13:35:20
○ 2026-05-13 02:40:10
○ 2026-08-28 00:49:00
○A216.239.34.212015-11-22 → 2017-03-22 · 5 obs
● 2015-11-22 19:53:14
● 2017-03-22 13:35:20
○ 2026-05-13 02:40:10
○ 2026-08-28 00:49:00
○A216.239.36.212015-11-22 → 2017-03-22 · 5 obs
● 2015-11-22 19:53:14
● 2017-03-22 13:35:20
○ 2026-05-13 02:40:10
○ 2026-08-28 00:49:00
○A216.239.38.212015-11-22 → 2017-03-22 · 5 obs
● 2015-11-22 19:53:14
● 2017-03-22 13:35:20
○ 2026-05-13 02:40:10
○ 2026-08-28 00:49:00
○A64.99.80.302015-07-20 → 2015-07-20 · 3 obs
○ 2015-11-22 19:53:14
○ 2026-08-28 00:49:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| programmingclassroom.com | ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b4.googledomains.com | 8 records |
✅ Authoritative Response
Server:216.239.32.107
NS records: ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b4.googledomains.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for programmingclassroom.com (unsigned zone)
⏱️ Timing
Total: 439ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 198.49.23.145 |
| NS | 4 | ns-cloud-b4.googledomains.com, ns-cloud-b1.googledomains.com... |
| MX | 5 | alt4.aspmx.l.google.com (pri: 10), alt2.aspmx.l.google.com (pri: 5)... |
| TXT | 1 | v=spf1 include:_spf.google.com ~all |
| SOA | 1 | ns-cloud-b1.googledomains.com dns-admin. |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ns-cloud-b1.googledomains.com, ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com...)
Analysis
Hierarchy
com.programmingclassroom.com is a subdomain of programmingclassroom.com.
IP Addresses
programmingclassroom.com has exactly one IP address — 198.49.23.145.
hyclassco.com, redmesaentertainment.com, brandonnisly.com plus two other host names have IP numbers in common with programmingclassroom.com.
Name Servers
Four name servers handle the delegation for programmingclassroom.com: ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com and ns-cloud-b4.googledomains.com.
The name servers of programmingclassroom.com overlap at least partially with those of other domains — among them chileglo.com, commontiger.com, shopathavenboutique.com and two more.
Each of the four hosts ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com and ns-cloud-b4.googledomains.com has two IP addresses. ns-cloud-b1.googledomains.com points to 216.239.32.107 and 2001:4860:4802:32::6b. ns-cloud-b2.googledomains.com points to 216.239.34.107 and 2001:4860:4802:34::6b. ns-cloud-b3.googledomains.com points to 216.239.36.107 and 2001:4860:4802:36::6b. ns-cloud-b4.googledomains.com points to 216.239.38.107 and 2001:4860:4802:38::6b.
Mail Servers
Five mail servers handle programmingclassroom.com: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
At least some of the mail servers used by programmingclassroom.com are shared with other domains: cryptomarketcap.com, tankbranding.com, ejholyoake.com and two others among them.
These mail servers are often deployed together with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 other mail servers.
Host names pointing to two IP addresses:
aspmx.l.google.com maps to two IP addresses — 192.178.155.26 and 2607:f8b0:4004:c27::1a.
alt1.aspmx.l.google.com maps to two IP addresses — 192.178.234.27 and 2800:3f0:4003:c14::1b.
alt2.aspmx.l.google.com maps to two IP addresses — 172.253.116.27 and 2a00:1450:400b:c02::1a.
alt3.aspmx.l.google.com maps to two IP addresses — 192.178.223.27 and 2a00:1450:4009:c0f::1a.
alt4.aspmx.l.google.com maps to two IP addresses — 172.253.157.27 and 2a00:1450:400c:c23::1a.