nanoctr.cn - robtex.com
nanoctr.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 159.226.242.62🇨🇳 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 | _k8f6db160vtxy9w8dl5x9pahtw3ls0x | ||||||
| TXT | v=spf1 include:spf.mail.cstnet.cn -all | ||||||
| TXT | _xx4ht1dv1v1epqlfagy0qoiag7cn6dq | ||||||
| TXT | _ra4shjjdsjs4qfk66bku7qi873ernoo | ||||||
| SOA | ns1.sfn.cnroot@ns1.sfn.cn 2026-07-15 #21 | ||||||
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=2035044417 | ||||||
Subdomains
www.nanoctr.cn |
Same first word
Similar names
DNS History
7 records (4 active, 3 former)
●NSns1.sfn.cn2015-10-23 → 2026-07-15 · 3 obs
● 2015-10-23 17:00:52
● 2026-07-15 19:12:30
●NSns2.sfn.cn2015-10-23 → 2026-07-15 · 3 obs
● 2015-10-23 17:00:52
● 2026-07-15 19:12:30
○NSns3.sanfront.com.cn2015-06-15 → 2015-06-15 · 3 obs
○ 2015-10-23 17:00:52
○ 2026-07-15 19:12:30
○NSns5.sanfront.com.cn2015-06-15 → 2015-06-15 · 3 obs
○ 2015-10-23 17:00:52
○ 2026-07-15 19:12:30
●A159.226.242.622026-04-30 → 2026-07-15 · 3 obs
● 2026-04-30 06:23:44
● 2026-07-15 19:12:30
○A159.226.97.842015-06-15 → 2017-05-09 · 4 obs
● 2017-05-09 00:59:30
○ 2026-04-30 06:23:44
○ 2026-07-15 19:12:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| nanoctr.cn | ns1.sfn.cn, ns2.sfn.cn | 3 records |
✅ Authoritative Response
Server:111.63.77.29
NS records: ns1.sfn.cn, ns2.sfn.cn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for nanoctr.cn (unsigned zone)
⏱️ Timing
Total: 1285ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 159.226.242.62 |
| NS | 2 | ns1.sfn.cn, ns2.sfn.cn |
| MX | 1 | mx.cstnet.cn (pri: 10) |
| TXT | 4 | _k8f6db160vtxy9w8dl5x9pahtw3ls0x, _xx4ht1dv1v1epqlfagy0qoiag7cn6dq... |
| SOA | 1 | ns1.sfn.cn root.ns1.sfn.cn |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns1.sfn.cn, ns2.sfn.cn, ns2.sfn.cn)
Analysis
Hierarchy
nanoctr.cn serves as the parent of www.nanoctr.cn.
IP Addresses
nanoctr.cn resolves to just one IP address, 159.226.242.62.
Two other host names, along with ihb.cas.cn, acas.ac.cn and www.wbg.cas.cn, also share IP numbers with nanoctr.cn.
Name Servers
DNS delegation for nanoctr.cn points to two name servers: ns1.sfn.cn and ns2.sfn.cn.
nanoctr.cn shares its NS records with other domains, for example cstspace.cn, paimai.sh.cn, caihong.com.cn and two others.
Host names that have two IP addresses:
ns2.sfn.cn has two IP addresses: 101.37.119.99 and 111.63.77.30.
Host names that point to one IP address:
ns1.sfn.cn directs to 111.63.77.29.
Mail Servers
The sole mail server for nanoctr.cn is mx.cstnet.cn.
Among the domains sharing a mail server setup with nanoctr.cn are sia.ac.cn, ms.fjirsm.ac.cn, sun5.ibp.ac.cn and two others.
mx.cstnet.cn has exactly one IP number: 159.226.251.12.