capt.ac.cn - robtex.com
capt.ac.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.sfn.cn ⚠️ Not in zone NS records | ||||||
| A | 111.63.77.29🇨🇳 CMNET-V4HEBEI-AS-AP111.63.64.0/20 CMI (Customer Route) | ||||||
| NS | ns2.sfn.cn ⚠️ Not in zone NS records | ||||||
| A | 101.37.119.99🇨🇳 Alibaba-Cloud101.37.0.0/17 | ||||||
| A | 111.63.77.30🇨🇳 CMNET-V4HEBEI-AS-AP111.63.64.0/20 CMI (Customer Route) | ||||||
ac.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.dns.cn ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | c.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | cns.cernet.net ⚠️ Not in parent delegation | ||||||
| NS | d.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | e.dns.cn ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2027266849 | ||||||
Same first word
Similar names
DNS History
6 records (2 active, 4 former)
●NSns1.sfn.cn2015-12-12 → 2026-03-28 · 3 obs
○ 2015-08-08 03:02:30
● 2015-12-12 06:50:32
● 2026-03-28 12:27:10
● 2015-12-12 06:50:32
● 2026-03-28 12:27:10
●NSns2.sfn.cn2015-12-12 → 2026-03-28 · 3 obs
○ 2015-08-08 03:02:30
● 2015-12-12 06:50:32
● 2026-03-28 12:27:10
● 2015-12-12 06:50:32
● 2026-03-28 12:27:10
○NSns3.sanfront.com.cn2015-08-08 → 2015-08-08 · 3 obs
● 2015-08-08 03:02:30
○ 2015-12-12 06:50:32
○ 2026-03-28 12:27:10
○ 2015-12-12 06:50:32
○ 2026-03-28 12:27:10
○NSns5.sanfront.com.cn2015-08-08 → 2015-08-08 · 3 obs
● 2015-08-08 03:02:30
○ 2015-12-12 06:50:32
○ 2026-03-28 12:27:10
○ 2015-12-12 06:50:32
○ 2026-03-28 12:27:10
○A101.201.53.1132017-02-05 → 2017-09-12 · 5 obs
○ 2016-03-22 08:08:08
● 2017-02-05 06:25:36
● 2017-09-12 05:35:40
○ 2026-03-26 06:05:30
○ 2026-03-28 12:27:10
● 2017-02-05 06:25:36
● 2017-09-12 05:35:40
○ 2026-03-26 06:05:30
○ 2026-03-28 12:27:10
○A122.49.30.432015-08-08 → 2016-03-22 · 4 obs
● 2015-08-08 03:02:30
● 2016-03-22 08:08:08
○ 2017-02-05 06:25:36
○ 2026-03-28 12:27:10
● 2016-03-22 08:08:08
○ 2017-02-05 06:25:36
○ 2026-03-28 12:27:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| capt.ac.cn | ns1.sfn.cn, ns2.sfn.cn | - |
✅ Authoritative Response
Server:101.37.119.99
NS records: ns1.sfn.cn, ns2.sfn.cn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for capt.ac.cn (unsigned zone)
⏱️ Timing
Total: 2035ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
Name Servers
capt.ac.cn is delegated to two name servers ns1.sfn.cn and ns2.sfn.cn.
capt.ac.cn shares the same name server setup as other domains, for instance openedu.ah.cn, hanwang.com.cn, sttc.net.cn, manpowerjobs.com.cn and takemoto.com.cn.
capt.ac.cn shares at least some name servers with other domains, for example cvit.com.cn, szga.gov.cn and gzswhntg.org.cn.
Two IP numbers for a host: ns2.sfn.cn points to 101.37.119.99 and 111.63.77.30.
One IP number for a host: ns1.sfn.cn points to 111.63.77.29.