srfn.cn - robtex.com
srfn.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.julydns.com ⚠️ Not in parent delegation | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns1.ondns.cn ⚠️ Not in zone NS records | ||||||
| A | 162.159.27.251Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.julydns.com ⚠️ Not in parent delegation | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.ondns.cn ⚠️ Not in zone NS records | ||||||
| A | 162.159.27.251Cloudflare162.159.27.0/24 , 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=2035179736 | ||||||
Previously NS for
srfn.cn |
Same first word
Similar names
DNS History
6 records (4 active, 2 former)
●NSns1.julydns.com2026-08-13 → 2026-08-14 · 3 obs
● 2026-08-13 14:25:20
● 2026-08-14 11:53:10
●NSns1.ondns.cn2026-08-13 → 2026-08-14 · 3 obs
● 2026-08-13 14:25:20
● 2026-08-14 11:53:10
●NSns2.julydns.com2026-08-13 → 2026-08-14 · 3 obs
● 2026-08-13 14:25:20
● 2026-08-14 11:53:10
●NSns2.ondns.cn2026-08-13 → 2026-08-14 · 3 obs
● 2026-08-13 14:25:20
● 2026-08-14 11:53:10
○NSsrfn.cn2015-06-09 → 2015-06-09 · 3 obs
○ 2026-08-13 14:25:20
○ 2026-08-14 11:53:10
○A174.139.207.1782015-06-09 → 2015-06-09 · 3 obs
○ 2026-08-13 14:25:20
○ 2026-08-14 11:53:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | b.dns.cn, c.dns.cn, e.dns.cn, a.dns.cn... | - |
| srfn.cn | ns1.ondns.cn, ns2.ondns.cn | - |
✅ Authoritative Response
Server:162.159.27.251
NS records: ns1.ondns.cn, ns2.ondns.cn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for srfn.cn (unsigned zone)
⏱️ Timing
Total: 567ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
Analysis
Name Servers
The NS records for srfn.cn point to four name servers: ns1.ondns.cn, ns2.ondns.cn, ns1.julydns.com and ns2.julydns.com.
The name servers of srfn.cn overlap at least partially with those of other domains — among them aiweisemi.cn, hedicc.com, xygs999.com and two more.
These name servers commonly co-occur with the name servers ns1.judns.com, ns2.judns.com, ns1.onclouddns.com and ns2.onclouddns.com.
ns1.ondns.cn resolves to 162.159.27.251, as does ns2.ondns.cn. ns1.julydns.com resolves to 162.159.48.223, as does ns2.julydns.com.
These two host names — ns1.ondns.cn and ns2.ondns.cn — each point to 162.159.27.251 IP addresses.
These two host names — ns1.julydns.com and ns2.julydns.com — each point to 162.159.48.223 IP addresses.