21cfrhelp.com - robtex.com
21cfrhelp.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=1786944804 | ||||||
Same first word
21cfrhelp.com |
DNS History
7 records (6 active, 1 former)
●NSns39.domaincontrol.com2015-08-18 → 2026-08-17 · 2 obs
● 2026-08-17 06:00:54
●NSns40.domaincontrol.com2015-08-18 → 2026-08-17 · 2 obs
● 2026-08-17 06:00:54
●MXmailstore1.secureserver.net2015-08-18 → 2026-08-17 · 2 obs
● 2026-08-17 06:00:54
●MXsmtp.secureserver.net2015-08-18 → 2026-08-17 · 2 obs
● 2026-08-17 06:00:54
●A15.197.225.1282026-07-21 → 2026-08-17 · 3 obs
● 2026-07-21 14:59:34
● 2026-08-17 06:00:54
●A3.33.251.1682026-07-21 → 2026-08-17 · 3 obs
● 2026-07-21 14:59:34
● 2026-08-17 06:00:54
○A50.63.202.192015-08-18 → 2017-02-18 · 4 obs
● 2017-02-18 03:46:48
○ 2026-07-21 14:59:34
○ 2026-08-17 06:00:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, m.gtld-servers.net, h.gtld-servers.net, k.gtld-servers.net... | - |
| 21cfrhelp.com | ns39.domaincontrol.com, ns40.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:97.74.109.20
NS records: ns39.domaincontrol.com, ns40.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 21cfrhelp.com (unsigned zone)
⏱️ Timing
Total: 232ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 15.197.225.128, 3.33.251.168 |
| NS | 2 | ns39.domaincontrol.com, ns40.domaincontrol.com |
| MX | 2 | mailstore1.secureserver.net (pri: 10), smtp.secureserver.net (pri: 0) |
| SOA | 1 | ns39.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns39.domaincontrol.com, ns39.domaincontrol.com, ns40.domaincontrol.com...)
Analysis
IP Addresses
21cfrhelp.com has two IP addresses: 3.33.251.168 and 15.197.225.128
smartcitycolombia.com, fence-orlando.com, thecityacademy.com and two other host names share IP numbers with 21cfrhelp.com.
Name Servers
DNS delegation for 21cfrhelp.com points to two name servers: ns39.domaincontrol.com and ns40.domaincontrol.com.
21cfrhelp.com uses the same name servers as several other domains — among them mayesharrisrealty.com, loitz.org, it-ok.co.uk and two more.
ns39.domaincontrol.com directs to 97.74.109.20 and 2603:5:21d1::14. ns40.domaincontrol.com directs to 173.201.77.20 and 2603:5:22d1::14. Each host name carries two IP addresses.
Mail Servers
Mail for 21cfrhelp.com is handled by two mail servers — mailstore1.secureserver.net and smtp.secureserver.net.
21cfrhelp.com uses an identical mail server configuration to several other domains — among them samcox.co, dealership.guru, richardmoe.com and two more.
21cfrhelp.com has mail servers in common with other domains — for example admush.com, sanfordlab.net and jkblack.com.
The hosts mailstore1.secureserver.net and smtp.secureserver.net both resolve to three IP numbers: mailstore1.secureserver.net to 216.69.141.78, 216.69.141.114 and 216.69.141.162, and smtp.secureserver.net to 216.69.141.71, 216.69.141.84 and 216.69.141.113.