frsp.cn - robtex.com
frsp.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns1.4cun.com ⚠️ Not in zone NS records | ||||||
| A | 2408:4005:3dc:af00:a6be:339e:a1a0:d2b8🇨🇳 Alibaba-Cloud2408:4005::/33 | ||||||
| A | 61.172.183.74🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC | ||||||
| NS | dns2.51dns.top ⚠️ Not in zone NS records | ||||||
| A | 2408:4005:3dc:af00:a6be:339e:a1a0:d2b8🇨🇳 Alibaba-Cloud2408:4005::/33 | ||||||
| A | 219.138.102.210🇨🇳 CHINATELECOM-HUBEI-YICHANG-IDC219.138.102.0/24 yichang | ||||||
cn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.cn ⭐ | ||||||
| NS | b.dns.cn | ||||||
| NS | c.dns.cn | ||||||
| NS | d.dns.cn | ||||||
| NS | e.dns.cn | ||||||
| NS | ns.cernet.net ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2035058524 | ||||||
Same first word
frsp.com |
frsp.ch |
frsp.de |
frsp.org.br |
frsp.jp |
frsp.cn |
frsp.edu.br |
frsp.org |
frsp.ru |
frsp.g12.br |
frsp.com.br |
frsp.nl |
Similar names
DNS History
4 records (2 active, 2 former)
●NSdns1.4cun.com2026-04-08 → 2026-07-19 · 3 obs
● 2026-04-08 20:48:00
● 2026-07-19 03:18:44
●NSdns2.51dns.top2026-04-08 → 2026-07-19 · 3 obs
● 2026-04-08 20:48:00
● 2026-07-19 03:18:44
○NSns1.alidns.com2015-08-07 → 2015-08-07 · 3 obs
○ 2026-03-31 13:36:04
○ 2026-07-19 03:18:44
○NSns2.alidns.com2015-08-07 → 2015-08-07 · 3 obs
○ 2026-03-31 13:36:04
○ 2026-07-19 03:18:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | b.dns.cn, d.dns.cn, e.dns.cn, c.dns.cn... | - |
| frsp.cn | dns1.4cun.com, dns2.51dns.top | - |
✅ Authoritative Response
Server:61.172.183.74
NS records: dns1.4cun.com, dns2.51dns.top
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for frsp.cn (unsigned zone)
⏱️ Timing
Total: 1502ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
Name Servers
Two name servers handle the delegation for frsp.cn: dns1.4cun.com and dns2.51dns.top.
frsp.cn uses the same name servers as several other domains — among them shjirui.cn, foryouth.com.cn, pwhr.cn and two more.
There is at least partial name server overlap between frsp.cn and other domains — 51758.com, cn01.net, lnwcyy.com and two more among them.
The name servers dns.4cun.com, dns2.4cun.com and dns1.dnsrun.cn are often found in combination with these name servers.
The two hostnames dns1.4cun.com and dns2.51dns.top each carry two IP addresses — dns1.4cun.com resolves to 61.172.183.74 and 2408:4005:3dc:af00:a6be:339e:a1a0:d2b8, and dns2.51dns.top resolves to 219.138.102.210 and 2408:4005:3dc:af00:a6be:339e:a1a0:d2b8, with 2408:4005:3dc:af00:a6be:339e:a1a0:d2b8 common to both.
dns1.4cun.com along with dns2.51dns.top each resolve to 2408:4005:3dc:af00:a6be:339e:a1a0:d2b8 IP addresses.