21cceducation.com - robtex.com
21cceducation.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=1774582317 | ||||||
PTR for
Same first word
21cceducation.com |
DNS History
18 records (8 active, 10 former)
○NSanna.ns.cloudflare.com2015-06-24 → 2015-11-09 · 4 obs
● 2015-11-09 01:11:26
○ 2016-03-01 18:26:26
○ 2026-03-27 03:34:32
●NSns41.domaincontrol.com2016-03-01 → 2026-03-27 · 3 obs
● 2016-03-01 18:26:26
● 2026-03-27 03:34:32
●NSns42.domaincontrol.com2016-03-01 → 2026-03-27 · 3 obs
● 2016-03-01 18:26:26
● 2026-03-27 03:34:32
○NSrick.ns.cloudflare.com2015-06-24 → 2015-11-09 · 4 obs
● 2015-11-09 01:11:26
○ 2016-03-01 18:26:26
○ 2026-03-27 03:34:32
●MXalt1.aspmx.l.google.com2015-06-24 → 2026-03-27 · 2 obs
● 2026-03-27 03:34:32
●MXalt2.aspmx.l.google.com2015-06-24 → 2026-03-27 · 2 obs
● 2026-03-27 03:34:32
●MXalt3.aspmx.l.google.com2016-03-01 → 2026-03-27 · 3 obs
● 2016-03-01 18:26:26
● 2026-03-27 03:34:32
●MXalt4.aspmx.l.google.com2016-03-01 → 2026-03-27 · 3 obs
● 2016-03-01 18:26:26
● 2026-03-27 03:34:32
●MXaspmx.l.google.com2015-06-24 → 2026-03-27 · 2 obs
● 2026-03-27 03:34:32
○MXaspmx2.googlemail.com2015-06-24 → 2015-11-09 · 4 obs
● 2015-11-09 01:11:26
○ 2016-03-01 18:26:26
○ 2026-03-27 03:34:32
○MXaspmx3.googlemail.com2015-06-24 → 2015-11-09 · 4 obs
● 2015-11-09 01:11:26
○ 2016-03-01 18:26:26
○ 2026-03-27 03:34:32
○A104.28.12.382015-06-24 → 2015-11-09 · 4 obs
● 2015-11-09 01:11:26
○ 2016-03-01 18:26:26
○ 2026-03-27 03:34:32
○A104.28.13.382015-06-24 → 2015-11-09 · 4 obs
● 2015-11-09 01:11:26
○ 2016-03-01 18:26:26
○ 2026-03-27 03:34:32
●A13.235.239.252026-03-15 → 2026-03-27 · 3 obs
● 2026-03-15 18:07:30
● 2026-03-27 03:34:32
○A184.168.230.12017-03-16 → 2017-03-16 · 4 obs
● 2017-03-16 09:26:52
○ 2026-03-15 18:07:30
○ 2026-03-27 03:34:32
○A184.168.230.532016-03-01 → 2016-07-04 · 5 obs
● 2016-03-01 18:26:26
● 2016-07-04 18:08:38
○ 2017-03-16 09:26:52
○ 2026-03-27 03:34:32
○A2400:cb00:2048:1::681c:c262015-06-24 → 2015-11-09 · 4 obs
● 2015-11-09 01:11:26
○ 2016-03-01 18:26:26
○ 2026-03-27 03:34:32
○A2400:cb00:2048:1::681c:d262015-06-24 → 2015-11-09 · 4 obs
● 2015-11-09 01:11:26
○ 2016-03-01 18:26:26
○ 2026-03-27 03:34:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | d.gtld-servers.net, c.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net... | - |
| 21cceducation.com | ns41.domaincontrol.com, ns42.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.68.21
NS records: ns41.domaincontrol.com, ns42.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 21cceducation.com (unsigned zone)
⏱️ Timing
Total: 90ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 13.235.239.25 |
| NS | 2 | ns41.domaincontrol.com, ns42.domaincontrol.com |
| MX | 5 | alt1.aspmx.l.google.com (pri: 5), alt2.aspmx.l.google.com (pri: 5)... |
| TXT | 5 | v=spf1 include:spf.geckoapps.nl include:, google-site-verification=h_hnHn6UL5dyDda... |
| SOA | 1 | ns41.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns41.domaincontrol.com, ns41.domaincontrol.com, ns42.domaincontrol.com...)
Analysis
IP Addresses
21cceducation.com points to a single IP address: 13.235.239.25.
Name Servers
21cceducation.com is delegated to two name servers: ns41.domaincontrol.com and ns42.domaincontrol.com.
21cceducation.com uses the same name server setup as other domains, including mailfire.in, dollarbird.co.uk, sucria.com, murphymerch.com and storemic.com.
21cceducation.com shares some name servers with other domains, for example savannahchildrenstheatre.org.
Host names with two IP numbers:
ns41.domaincontrol.com points to 2603:5:2142::15 and 97.74.100.21.
ns42.domaincontrol.com points to 2603:5:2242::15 and 173.201.68.21.
Mail Servers
21cceducation.com is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
21cceducation.com shares at least some mail servers with other domains, for example zeva.com.ar, amnionfoundation.org, aarrgles.com, ziplocal.com and magicalfind.com.
These mail servers are commonly used alongside aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.
Host names with two IP numbers
aspmx.l.google.com points to 2a00:1450:4009:c0f::1b and 192.178.223.27
alt1.aspmx.l.google.com points to 2a00:1450:4025:402::1a and 142.250.102.26
alt2.aspmx.l.google.com points to 2a00:1450:4013:c1e::1b and 192.178.213.27
alt3.aspmx.l.google.com points to 2a00:1450:4009:c0f::1a and 192.178.223.27
alt4.aspmx.l.google.com points to 2a00:1450:4025:c01::1b and 142.250.147.27
Host names that point to 192.178.223.27: aspmx.l.google.com and alt3.aspmx.l.google.com
Note: 192.178.223.27 is used by both aspmx.l.google.com and alt3.aspmx.l.google.com