codeclassroom.co - robtex.com
codeclassroom.co
co
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | a.registrydns.co | ||||||
| NS | b.registrydns.co | ||||||
| NS | c.registrydns.co | ||||||
| NS | d.registrydns.co | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=1759766243 | ||||||
Same first word
codeclassroom.com |
codeclassroom.online |
codeclassroom.net |
codeclassroom.co |
codeclassroom.cc |
codeclassroom.io |
codeclassroom.dev |
codeclassroom.org |
Similar names
Previous names
Next names
DNS History
11 records (11 active, 0 former)
●NSns-cloud-d1.googledomains.com2026-09-06 → 2026-09-25 · 2 obs
● 2026-09-25 10:24:58
●NSns-cloud-d2.googledomains.com2026-09-06 → 2026-09-25 · 2 obs
● 2026-09-25 10:24:58
●NSns-cloud-d3.googledomains.com2026-09-06 → 2026-09-25 · 2 obs
● 2026-09-25 10:24:58
●NSns-cloud-d4.googledomains.com2026-09-06 → 2026-09-25 · 2 obs
● 2026-09-25 10:24:58
●MXalt1.aspmx.l.google.com2026-09-06 → 2026-09-25 · 2 obs
● 2026-09-25 10:24:58
●MXalt2.aspmx.l.google.com2026-09-06 → 2026-09-25 · 2 obs
● 2026-09-25 10:24:58
●MXalt3.aspmx.l.google.com2026-09-06 → 2026-09-25 · 2 obs
● 2026-09-25 10:24:58
●MXalt4.aspmx.l.google.com2026-09-06 → 2026-09-25 · 2 obs
● 2026-09-25 10:24:58
●MXaspmx.l.google.com2026-09-06 → 2026-09-25 · 2 obs
● 2026-09-25 10:24:58
●A162.159.142.172026-09-06 → 2026-09-25 · 2 obs
● 2026-09-25 10:24:58
●A172.66.2.132026-09-06 → 2026-09-25 · 2 obs
● 2026-09-25 10:24:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| co | a.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co | - |
| codeclassroom.co | ns-cloud-d1.googledomains.com, ns-cloud-d2.googledomains.com, ns-cloud-d3.googledomains.com, ns-cloud-d4.googledomains.com | - |
✅ Authoritative Response
Server:216.239.34.109
NS records: ns-cloud-d1.googledomains.com, ns-cloud-d2.googledomains.com, ns-cloud-d3.googledomains.com, ns-cloud-d4.googledomains.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 969ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 162.159.142.17, 172.66.2.13 |
| NS | 4 | ns-cloud-d4.googledomains.com, ns-cloud-d1.googledomains.com... |
| MX | 5 | aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)... |
| TXT | 2 | v=spf1 include:_spf.google.com include:_, lw=64d2ea99526e931c8f9a3173 |
| SOA | 1 | ns-cloud-d1.googledomains.com cloud-dns- |
Analysis
IP Addresses
codeclassroom.co resolves to the IP addresses 162.159.142.17 and 172.66.2.13
Additional host names — teacherinductionni.uk, thematerialway.com, heilakademien.ch and two others — share IP numbers with codeclassroom.co.
Name Servers
codeclassroom.co has four authoritative name servers: ns-cloud-d1.googledomains.com, ns-cloud-d2.googledomains.com, ns-cloud-d3.googledomains.com and ns-cloud-d4.googledomains.com.
codeclassroom.co shares at least some of its name servers with other domains, including go4golddrivertraining.co.uk, amorigt.com, glowingdesi.com and two others.
The host names ns-cloud-d1.googledomains.com, ns-cloud-d2.googledomains.com, ns-cloud-d3.googledomains.com and ns-cloud-d4.googledomains.com each resolve to two IP addresses: ns-cloud-d1.googledomains.com resolves to 216.239.32.109 and 2001:4860:4802:32::6d; ns-cloud-d2.googledomains.com resolves to 216.239.34.109 and 2001:4860:4802:34::6d; ns-cloud-d3.googledomains.com resolves to 216.239.36.109 and 2001:4860:4802:36::6d; ns-cloud-d4.googledomains.com resolves to 216.239.38.109 and 2001:4860:4802:38::6d.
Mail Servers
codeclassroom.co is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
codeclassroom.co shares mail servers — at least in part — with other domains, including getmergebase.org, magu.app.br, coastalchairmen.com and two others.
These mail servers are frequently paired with the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com.
Host names with two IP numbers:
The A records for aspmx.l.google.com return 142.251.16.27 and 2607:f8b0:4004:c08::1b.
The A records for alt1.aspmx.l.google.com return 192.178.234.27 and 2800:3f0:4003:c14::1b.
The A records for alt2.aspmx.l.google.com return 172.253.116.26 and 2a00:1450:400b:c02::1a.
The A records for alt3.aspmx.l.google.com return 172.253.152.27 and 2a00:1450:4010:c22::1b.
The A records for alt4.aspmx.l.google.com return 192.178.211.27 and 2404:6800:4000:1025::1b.