tfv4.cn - robtex.com
tfv4.cn
| CNAME | exp.gs-cdn.com | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 172.65.190.172🇺🇸 Cloudflare172.65.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
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=2034596009 | ||||||
Subdomains
www.tfv4.cn |
Same first word
Similar names
DNS History
9 records (3 active, 6 former)
○NSa.share-dns.com2026-03-27 → 2026-03-27 · 2 obs
○ 2026-03-27 23:27:16
○ 2026-03-27 23:27:18
○ 2026-03-27 23:27:18
○NSb.share-dns.net2026-03-27 → 2026-03-27 · 2 obs
○ 2026-03-27 23:27:16
○ 2026-03-27 23:27:18
○ 2026-03-27 23:27:18
●NSexpire1.gname-dns.com2026-03-27 → 2026-03-27 · 3 obs
○ 2020-02-18 08:21:10
● 2026-03-27 23:27:16
● 2026-03-27 23:27:18
● 2026-03-27 23:27:16
● 2026-03-27 23:27:18
●NSexpire2.gname-dns.com2026-03-27 → 2026-03-27 · 3 obs
○ 2020-02-18 08:21:10
● 2026-03-27 23:27:16
● 2026-03-27 23:27:18
● 2026-03-27 23:27:16
● 2026-03-27 23:27:18
○NSns1.alidns.com2020-02-18 → 2020-02-18 · 3 obs
● 2020-02-18 08:21:10
○ 2026-03-27 23:27:16
○ 2026-03-27 23:27:18
○ 2026-03-27 23:27:16
○ 2026-03-27 23:27:18
○NSns2.alidns.com2020-02-18 → 2020-02-18 · 3 obs
● 2020-02-18 08:21:10
○ 2026-03-27 23:27:16
○ 2026-03-27 23:27:18
○ 2026-03-27 23:27:16
○ 2026-03-27 23:27:18
○A154.204.96.1082020-02-18 → 2020-02-18 · 3 obs
● 2020-02-18 08:21:10
○ 2026-03-27 23:27:16
○ 2026-03-27 23:27:18
○ 2026-03-27 23:27:16
○ 2026-03-27 23:27:18
○A38.63.166.1152026-03-27 → 2026-03-27 · 2 obs
○ 2026-03-27 23:27:16
○ 2026-03-27 23:27:18
○ 2026-03-27 23:27:18
●CNAMEexp.gs-cdn.com2026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 23:27:16
● 2026-03-27 23:27:18
● 2026-03-27 23:27:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn... | - |
| tfv4.cn | expire1.gname-dns.com, expire2.gname-dns.com | - |
✅ Authoritative Response
Server:172.64.53.233
NS records: expire1.gname-dns.com, expire2.gname-dns.com
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at tfv4.cn: Error: DNS query timeout: 203.119.29.1 for DS tfv4.cn
⏱️ Timing
Total: 3854ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | expire1.gname-dns.com, expire2.gname-dns.com |
| CNAME | 1 | exp.gs-cdn.com |
Analysis
Hierarchy
www.tfv4.cn has tfv4.cn as its parent.
IP Addresses
tfv4.cn maps to IP address 172.65.190.172.
Other host names for instance exp.gs-cdn.com and 0syn.com share IP numbers with tfv4.cn.