cbas.ac.cn - robtex.com
cbas.ac.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 159.226.242.225🇨🇳 CSTNET-AS-AP159.226.242.0/23 | ||||||
| NS | ns1.sfn.cn ⭐ | ||||||
| A | 111.63.77.29🇨🇳 CMNET-V4HEBEI-AS-AP111.63.64.0/20 CMI (Customer Route) | ||||||
| NS | ns2.sfn.cn | ||||||
| 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) | ||||||
| MX | mx.cstnet.cn ⭐ | ||||||
| A | 159.226.251.12🇨🇳 CSTNET-AS-AP159.226.0.0/16 CSTNET's IP | ||||||
| PTR | mx.cstnet.cn | ||||||
| TXT | v=spf1 include:spf.mail.cstnet.cn -all | ||||||
| SOA | ns1.sfn.cnroot@ns1.sfn.cn 2026-08-17 #4 | ||||||
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=2027282919 | ||||||
Same first word
cbas.jp |
cbas.eu |
cbas.net |
cbas.com.au |
cbas.ca |
cbas.ac.cn |
cbas.com.br |
cbas.de |
cbas.live |
cbas.in |
cbas.com |
cbas.ru |
cbas.fr |
cbas.nl |
cbas.co.uk |
cbas.org |
cbas.co |
cbas.no |
cbas.info |
cbas.se |
cbas.international |
Similar names
DNS History
4 records (4 active, 0 former)
●A159.226.242.2252026-08-13 → 2026-08-16 · 2 obs
● 2026-08-16 21:12:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| cbas.ac.cn | ns1.sfn.cn, ns2.sfn.cn | - |
✅ Authoritative Response
Server:111.63.77.29
NS records: ns1.sfn.cn, ns2.sfn.cn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cbas.ac.cn (unsigned zone)
⏱️ Timing
Total: 2133ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 159.226.242.225 |
| NS | 2 | ns1.sfn.cn, ns2.sfn.cn |
| MX | 1 | mx.cstnet.cn (pri: 5) |
| TXT | 1 | v=spf1 include:spf.mail.cstnet.cn -all |
| SOA | 1 | ns1.sfn.cn root.ns1.sfn.cn |
Analysis
IP Addresses
cbas.ac.cn resolves to one IP address: 159.226.242.225.
amt.amss.cas.cn, newenergy.giec.cas.cn, ioaqd.ac.cn and two other host names share IP numbers with cbas.ac.cn.
Name Servers
cbas.ac.cn uses two name servers for its delegation: ns1.sfn.cn and ns2.sfn.cn.
cbas.ac.cn uses the same name servers as several other domains — among them shcia.net.cn, nhwa-group.com, yb.cn and two more.
cbas.ac.cn has a partial name server overlap with other domains — among them jxdx.gov.cn and penavico.sh.cn.
Hostnames that resolve to two IP addresses:
ns2.sfn.cn directs traffic to 101.37.119.99 and 111.63.77.30.
Hosts with just one IP address:
ns1.sfn.cn has the IP address 111.63.77.29.
Mail Servers
Mail for cbas.ac.cn is handled by a single mail server, mx.cstnet.cn.
cbas.ac.cn uses an identical mail server configuration to several other domains — among them ipp.ac.cn, semi.ac.cn, binn.cas.cn and two more.
mx.cstnet.cn directs to just one IP number, 159.226.251.12.