communications21.com - robtex.com
communications21.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=1775970182 | ||||||
Same first word
communications21.com |
DNS History
9 records (6 active, 3 former)
●NSns37.domaincontrol.com2016-04-19 → 2026-04-12 · 2 obs
● 2026-04-12 05:06:52
●NSns38.domaincontrol.com2016-04-19 → 2026-04-12 · 2 obs
● 2026-04-12 05:06:52
●MXmailstore1.secureserver.net2016-04-19 → 2026-04-12 · 4 obs
● 2026-02-25 10:50:02
○ 2026-03-17 05:20:34
● 2026-04-12 05:06:52
●MXsmtp.secureserver.net2016-04-19 → 2026-04-12 · 4 obs
● 2026-02-25 10:50:02
○ 2026-03-17 05:20:34
● 2026-04-12 05:06:52
○A13.248.213.452026-03-17 → 2026-03-17 · 3 obs
● 2026-03-17 05:20:34
○ 2026-04-12 05:06:52
●A15.197.225.1282026-02-25 → 2026-04-12 · 4 obs
● 2026-02-25 10:50:02
○ 2026-03-17 05:20:34
● 2026-04-12 05:06:52
●A3.33.251.1682026-02-25 → 2026-04-12 · 4 obs
● 2026-02-25 10:50:02
○ 2026-03-17 05:20:34
● 2026-04-12 05:06:52
○A50.63.202.92016-04-19 → 2017-08-11 · 4 obs
● 2017-08-11 14:00:28
○ 2026-02-25 10:50:02
○ 2026-04-12 05:06:52
○A76.223.67.1892026-03-17 → 2026-03-17 · 3 obs
● 2026-03-17 05:20:34
○ 2026-04-12 05:06:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | h.gtld-servers.net, i.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net... | - |
| communications21.com | ns37.domaincontrol.com, ns38.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.76.19
NS records: ns37.domaincontrol.com, ns38.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for communications21.com (unsigned zone)
⏱️ Timing
Total: 135ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 15.197.225.128, 3.33.251.168 |
| NS | 2 | ns37.domaincontrol.com, ns38.domaincontrol.com |
| MX | 2 | mailstore1.secureserver.net (pri: 10), smtp.secureserver.net (pri: 0) |
| SOA | 1 | ns37.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns37.domaincontrol.com, ns37.domaincontrol.com, ns38.domaincontrol.com...)
Analysis
IP Addresses
communications21.com resolves to two IPs: 3.33.251.168 and 15.197.225.128.
other host names for instance milliondollarmethodsevent.com, wynnlabs.com, workdo.co.uk, macombsleep.com and legacyconsultinghealthcare.com share IP numbers with communications21.com.
Name Servers
communications21.com is delegated to two name servers: ns37.domaincontrol.com and ns38.domaincontrol.com.
communications21.com shares the same name server setup as other domains, for example smallbear.com, bomitali.com.au, thelavlist.com, caferetiro.com and gsha-carrierdealer.com.
Host names with two IP numbers:
ns37.domaincontrol.com points to 2603:5:21c1::13 and 97.74.108.19
ns38.domaincontrol.com points to 2603:5:22c1::13 and 173.201.76.19
Mail Servers
communications21.com is handled by two mail servers: mailstore1.secureserver.net and smtp.secureserver.net.
communications21.com shares the same mail server setup as other domains, for instance onlyclaytonproductions.com, well-f.com, prometricexamcenter.com, hyattplaceeastend.com and takus.org.
communications21.com shares some mail servers with other domains, at least partially, for instance ihccb.com and intouch.bm.
Host names with three IP numbers:
mailstore1.secureserver.net points to: 216.69.141.78, 216.69.141.114 and 216.69.141.162.
smtp.secureserver.net points to: 216.69.141.71, 216.69.141.84 and 216.69.141.113.