c21atlantic.com - robtex.com
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c21atlantic.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=1770918430 | ||||||
Up
imap.c21atlantic.com |
Same first word
c21atlantic.com |
DNS History
16 records (5 active, 11 former)
○NSmns1.secureserver.net2007-09-28 → 2007-09-28 · 3 obs
○ 2015-06-24 12:47:58
○ 2026-02-15 01:22:30
○NSmns2.secureserver.net2007-09-28 → 2007-09-28 · 3 obs
○ 2015-06-24 12:47:58
○ 2026-02-15 01:22:30
●NSns.collegextra.com2017-05-20 → 2026-02-15 · 3 obs
● 2017-05-20 21:25:48
● 2026-02-15 01:22:30
●NSns.collegextra.net2017-05-20 → 2026-02-15 · 3 obs
● 2017-05-20 21:25:48
● 2026-02-15 01:22:30
○NSns1.accountsupport.com2015-06-24 → 2016-11-18 · 5 obs
● 2015-06-24 12:47:58
● 2016-11-18 22:16:14
○ 2017-05-20 21:25:48
○ 2026-02-15 01:22:30
○NSns2.accountsupport.com2015-06-24 → 2016-11-18 · 5 obs
● 2015-06-24 12:47:58
● 2016-11-18 22:16:14
○ 2017-05-20 21:25:48
○ 2026-02-15 01:22:30
●MXc21atlantic-com.mail.protection.outlook.com2026-02-15 → 2026-02-15 · 2 obs
● 2026-02-15 01:22:30
○MXc21atlantic.com2007-09-28 → 2007-09-28 · 3 obs
○ 2015-06-24 12:47:58
○ 2026-02-15 01:22:30
○MXmx.accountsupport.com2017-05-20 → 2017-05-20 · 3 obs
● 2017-05-20 21:25:48
○ 2026-02-15 01:22:30
○MXmx.c21atlantic.com2015-06-24 → 2016-11-18 · 5 obs
● 2015-06-24 12:47:58
● 2016-11-18 22:16:14
○ 2017-05-20 21:25:48
○ 2026-02-15 01:22:30
○A207.97.216.2072017-05-20 → 2017-05-20 · 3 obs
● 2017-05-20 21:25:48
○ 2026-02-15 01:22:30
●A3.216.165.552026-02-15 → 2026-02-15 · 2 obs
● 2026-02-15 01:22:30
●A52.5.37.172026-02-15 → 2026-02-15 · 2 obs
● 2026-02-15 01:22:30
○A65.254.227.2242016-06-20 → 2016-11-18 · 5 obs
● 2016-06-20 17:16:06
● 2016-11-18 22:16:14
○ 2017-05-20 21:25:48
○ 2026-02-15 01:22:30
○A65.254.238.1372015-06-24 → 2016-02-24 · 5 obs
● 2015-06-24 12:47:58
● 2016-02-24 11:09:08
○ 2016-06-20 17:16:06
○ 2026-02-15 01:22:30
○A68.178.194.2192007-09-28 → 2007-09-28 · 3 obs
○ 2015-06-24 12:47:58
○ 2026-02-15 01:22:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, e.gtld-servers.net, k.gtld-servers.net, g.gtld-servers.net... | - |
| c21atlantic.com | ns.collegextra.net, ns.collegextra.com | 1 record |
✅ Authoritative Response
Server: 205.251.194.249
NS records: ns.collegextra.net, ns.collegextra.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for c21atlantic.com (unsigned zone)
⏱️ Timing
Total: 223ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 3.216.165.55, 52.5.37.17 |
| NS | 1 | ns.collegextra.net |
| MX | 1 | c21atlantic-com.mail.protection.outlook. |
| TXT | 2 | MS=ms73386048, v=spf1 include:spf.cloudus.oxcs.net incl |
| SOA | 1 | ns.collegextra.com awsdns-hostmaster.ama |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (ns.collegextra.com)
AI analysis
The parent of imap.c21atlantic.com is c21atlantic.com.
Two IP numbers are pointed to by c21atlantic.com: 3.216.165.55 and 52.5.37.17.
other host names include landbrothers.com, c21mountainside.com, collegextra.net, blog.mapleandmainrealty.com and madisonprops.com; they share IP numbers with c21atlantic.com.
Two name servers ns.collegextra.com and ns.collegextra.net handle the delegation for c21atlantic.com.
c21atlantic.com shares the same name server setup as other domains, for instance myrealtorzach.com, lighthouseregmaine.com, thegreenerealtygroup.com, rachelsimpsonrealtor.com and valleyfinehomes.com.
c21atlantic.com at least partially shares name servers with other domains, for instance realtygroupfl.com, condoguy.com, staceymatthews.com, lorraineamaral.com and ingridjackson.com.
Host names with two IP numbers: ns.collegextra.com points to 2600:9000:5301:8500::1 and 205.251.193.133.
Host names with one IP number: ns.collegextra.net points to 205.251.194.249.
c21atlantic.com is handled by a single mail server, c21atlantic-com.mail.protection.outlook.com.
Hostname c21atlantic-com.mail.protection.outlook.com resolves to eight IP numbers: 2a01:111:f403:c801::, 2a01:111:f403:c902::3, 2a01:111:f403:c902::4, 2a01:111:f403:f802::1, 52.101.9.5, 52.101.9.24, 52.101.11.3 and 52.101.11.13.