21cf.tw - robtex.com
21cf.tw
tw
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.tw ⭐ | ||||||
| NS | anytld.apnic.net ⚠️ Not in parent delegation | ||||||
| NS | b.dns.tw | ||||||
| NS | c.dns.tw | ||||||
| NS | d.dns.tw | ||||||
| NS | e.dns.tw | ||||||
| NS | f.dns.tw | ||||||
| NS | g.dns.tw | ||||||
| NS | h.dns.tw | ||||||
| SOA | a.dns.twsnw@twnic.net.tw serial=2010999980 | ||||||
Same first word
Similar names
1c2f.com |
cf12.com |
fc12.cn |
21fc.net |
c21f.com |
cf21.com |
f12c.com |
fc12.com |
21fc.com |
12fc.com |
c1f2.com |
12fc.nl |
cf12.net |
2f1c.com |
fc21.com |
12cf.com.cn |
cf12.org |
fc21.cn |
fc21.jp |
1c2f.tv |
fc21.co.jp |
DNS History
2 records (2 active, 0 former)
●NSdns1.cscdns.net2026-04-09 → 2026-04-11 · 2 obs
● 2026-04-11 21:24:34
●NSdns2.cscdns.net2026-04-09 → 2026-04-11 · 2 obs
● 2026-04-11 21:24:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tw | a.dns.tw, b.dns.tw, d.dns.tw, f.dns.tw... | - |
| 21cf.tw | dns1.cscdns.net, dns2.cscdns.net | - |
✅ Authoritative Response
Server:156.154.130.100
NS records: dns1.cscdns.net, dns2.cscdns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 21cf.tw (unsigned zone)
⏱️ Timing
Total: 625ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns1.cscdns.net, dns2.cscdns.net |
| SOA | 1 | dns1.cscdns.net hostmaster.cscdns.net |
Analysis
Name Servers
Two name servers dns1.cscdns.net and dns2.cscdns.net handle the delegation for 21cf.tw.
21cf.tw shares the same name server setup as other domains, for example wsjweekend.com, hobcorp.com, thebirchesmovie.com, eobr.com and runescape.nl.
21cf.tw shares name servers with other domains to some extent, including countrywidemortgaage.net, mlcard.org, cila.dk and hopeandbalance.com.
These name servers are often used together with ns101.bac.com and ns102.bac.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.