fstd.cn - dns.ninja
fstd.cn
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=2035085136 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSns11.xincache.com2026-03-20 → 2026-07-24 · 3 obs
● 2026-03-20 00:14:48
● 2026-07-24 21:22:34
●NSns17.xincache.com2015-06-05 → 2026-07-24 · 2 obs
● 2026-07-24 21:22:34
●NSns18.xincache.com2015-06-05 → 2026-07-24 · 2 obs
● 2026-07-24 21:22:34
●A221.234.38.1332015-06-05 → 2026-07-24 · 2 obs
● 2026-07-24 21:22:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | b.dns.cn, a.dns.cn, e.dns.cn, c.dns.cn... | - |
| fstd.cn | ns17.xincache.com, ns18.xincache.com | - |
✅ Authoritative Response
Server:112.80.181.45
NS records: ns17.xincache.com, ns18.xincache.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for fstd.cn (unsigned zone)
⏱️ Timing
Total: 1250ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 221.234.38.133 |
| NS | 2 | ns18.xincache.com, ns17.xincache.com |
| MX | 2 | mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10) |
| SOA | 1 | ns11.xincache.com ns12.xincache.com |
Analysis
IP Addresses
fstd.cn directs to one IP number, which is 221.234.38.133.
Other host names share IP numbers with fstd.cn; ezxfj.gov.cn is one such example.
Name Servers
Three name servers are authoritative for fstd.cn: ns11.xincache.com, ns17.xincache.com and ns18.xincache.com.
The name servers of fstd.cn overlap at least partially with those of other domains — among them skcg.com.cn, cawss.com, hangjintechnology.com and two more.
These name servers commonly appear in delegations together with ns12.xincache.com, ce1.xincache.com, ce2.xincache.com and 6 other.
Host names resolving to 8 IP numbers:
ns11.xincache.com carries IP addresses 1.12.0.4, 36.155.149.180 and 112.80.181.45, with 5 other addresses beyond those.
ns17.xincache.com carries IP addresses 1.12.0.4, 36.155.149.180 and 112.80.181.45, with 5 other addresses beyond those.
Host names resolving to 7 IP numbers:
ns18.xincache.com carries IP addresses 1.12.0.1, 36.155.149.176 and 112.80.181.111, with 4 other addresses beyond those.
These two host names — ns11.xincache.com and ns17.xincache.com — each point to 2402:4e00:1470:2::e IP addresses.
These two host names — ns11.xincache.com and ns17.xincache.com — each point to 2402:4e00:1730::e IP addresses.
These two host names — ns11.xincache.com and ns17.xincache.com — each point to 1.12.0.4 IP addresses.
These two host names — ns11.xincache.com and ns17.xincache.com — each point to 36.155.149.180 IP addresses.
These two host names — ns11.xincache.com and ns17.xincache.com — each point to 112.80.181.45 IP addresses.
These two host names — ns11.xincache.com and ns17.xincache.com — each point to 117.89.178.173 IP addresses.
These two host names — ns11.xincache.com and ns17.xincache.com — each point to 125.94.59.210 IP addresses.
These two host names — ns11.xincache.com and ns17.xincache.com — each point to 129.211.176.209 IP addresses.
Mail Servers
The MX records for fstd.cn point to two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.
fstd.cn has the same mail server arrangement as a number of other domains, for example youfinec.com, birunco.com, hygyb.com and two more.
fstd.cn shares at least some of its mail servers with other domains — for example utvgo.com, animepillowshop.com, fsbqg.com and two more.