21cf.tel - robtex.com
21cf.tel
tel
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | anycast9.irondns.net ⭐ | ||||||
| NS | anycast10.irondns.net | ||||||
| NS | anycast23.irondns.net | ||||||
| NS | anycast24.irondns.net | ||||||
| SOA | anycast9.irondns.netdnsmaster@irondns.net serial=2604112031 | ||||||
Same first word
Similar names
c1f2.com |
12fc.nl |
cf12.net |
2f1c.com |
fc21.com |
12cf.com.cn |
cf12.org |
fc21.cn |
fc21.jp |
1c2f.tv |
fc21.co.jp |
1c2f.com |
cf12.com |
fc12.cn |
21fc.net |
c21f.com |
cf21.com |
f12c.com |
fc12.com |
21fc.com |
12fc.com |
DNS History
2 records (2 active, 0 former)
●NSdns1.cscdns.net2026-04-09 → 2026-04-11 · 2 obs
● 2026-04-09 12:14:00
● 2026-04-11 21:24:20
● 2026-04-11 21:24:20
●NSdns2.cscdns.net2026-04-09 → 2026-04-11 · 2 obs
● 2026-04-09 12:14:00
● 2026-04-11 21:24:20
● 2026-04-11 21:24:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tel | anycast9.irondns.net, anycast10.irondns.net, anycast23.irondns.net, anycast24.irondns.net | 8 records |
| 21cf.tel | dns2.cscdns.net, dns1.cscdns.net | - |
✅ Authoritative Response
Server:156.154.130.100
NS records: dns2.cscdns.net, dns1.cscdns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 21cf.tel (unsigned zone)
⏱️ Timing
Total: 227ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns1.cscdns.net, dns2.cscdns.net |
| SOA | 1 | dns1.cscdns.net hostmaster.cscdns.net |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (anycast9.irondns.net, anycast10.irondns.net, anycast23.irondns.net...)
Analysis
Name Servers
21cf.tel is delegated to two name servers: dns1.cscdns.net and dns2.cscdns.net.
21cf.tel uses the same name server setup as other domains such as mars-barsoom.org, nightlifedvd.com, mycarsracing.net, toasters.com and shopinternationalmarketplace.com.
Host names with two IP numbers:
dns1.cscdns.net points to 2610:a1:1022::100 and 156.154.130.100; dns2.cscdns.net points to 2610:a1:1023::100 and 156.154.131.100.