f3fs3.cn - robtex.com
f3fs3.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 173.249.187.111🇺🇸 BETTER-HK173.249.187.0/24 client's prefix | ||||||
| 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.judns.com ⚠️ 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.judns.com ⚠️ 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 | ||||||
| SOA | ns1.julydns.commaster@jmdns.com serial=1776435647 | ||||||
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=2034952565 | ||||||
Same first word
f3fs3.cn |
DNS History
5 records (5 active, 0 former)
●NSns1.julydns.com2026-06-13 → 2026-06-21 · 2 obs
● 2026-06-21 23:49:50
●NSns2.julydns.com2026-06-13 → 2026-06-21 · 2 obs
● 2026-06-21 23:49:50
●A173.249.187.1112026-06-13 → 2026-06-21 · 2 obs
● 2026-06-21 23:49:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn... | - |
| f3fs3.cn | ns1.judns.com, ns2.judns.com | - |
✅ Authoritative Response
Server:162.159.27.251
NS records: ns1.judns.com, ns2.judns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for f3fs3.cn (unsigned zone)
⏱️ Timing
Total: 1421ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 173.249.187.111 |
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| SOA | 1 | ns1.julydns.com master.jmdns.com |
Analysis
IP Addresses
f3fs3.cn resolves to one IP address: 173.249.187.111.
wangqi-lab.cn, 4007722.com, h1m0pw.cn and two other host names share IP numbers with f3fs3.cn.
Name Servers
The authoritative name servers for f3fs3.cn are ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.
There is at least partial name server overlap between f3fs3.cn and other domains — xinyuban.com, ziyoutan.com, boyueducation.cn and two more among them.
These name servers frequently co-occur with the name servers ns1.onclouddns.com and ns2.onclouddns.com.
Four host names each point to one IP address: ns1.judns.com and ns2.judns.com both point to 162.159.27.251, and ns1.julydns.com and ns2.julydns.com both point to 162.159.48.223.
Host names pointing to 162.159.27.251 IP addresses: ns1.judns.com and ns2.judns.com.
Host names pointing to 162.159.48.223 IP addresses: ns1.julydns.com and ns2.julydns.com.