escience.gov.cn - robtex.com
escience.gov.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) | ||||||
gov.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=2027216784 | ||||||
Same first word
Similar names
DNS History
7 records (2 active, 5 former)
○NSmanager.buaa.edu.cn2015-06-16 → 2015-06-16 · 3 obs
● 2015-06-16 11:43:44
○ 2015-11-08 01:12:40
○ 2026-06-16 23:08:14
○ 2015-11-08 01:12:40
○ 2026-06-16 23:08:14
●NSns1.sfn.cn2015-11-08 → 2026-06-16 · 3 obs
○ 2015-06-16 11:43:44
● 2015-11-08 01:12:40
● 2026-06-16 23:08:14
● 2015-11-08 01:12:40
● 2026-06-16 23:08:14
●NSns2.sfn.cn2015-11-08 → 2026-06-16 · 3 obs
○ 2015-06-16 11:43:44
● 2015-11-08 01:12:40
● 2026-06-16 23:08:14
● 2015-11-08 01:12:40
● 2026-06-16 23:08:14
○MXmx.qiye.163.com2015-06-16 → 2015-06-16 · 3 obs
● 2015-06-16 11:43:44
○ 2015-11-08 01:12:40
○ 2026-06-16 23:08:14
○ 2015-11-08 01:12:40
○ 2026-06-16 23:08:14
○MXmx2.qiye.163.com2015-06-16 → 2015-06-16 · 3 obs
● 2015-06-16 11:43:44
○ 2015-11-08 01:12:40
○ 2026-06-16 23:08:14
○ 2015-11-08 01:12:40
○ 2026-06-16 23:08:14
○MXqiye163mx01.mxmail.netease.com2015-11-08 → 2017-03-20 · 5 obs
○ 2015-06-16 11:43:44
● 2015-11-08 01:12:40
● 2017-03-20 16:10:42
○ 2026-05-02 14:57:36
○ 2026-06-16 23:08:14
● 2015-11-08 01:12:40
● 2017-03-20 16:10:42
○ 2026-05-02 14:57:36
○ 2026-06-16 23:08:14
○MXqiye163mx02.mxmail.netease.com2015-11-08 → 2017-03-20 · 5 obs
○ 2015-06-16 11:43:44
● 2015-11-08 01:12:40
● 2017-03-20 16:10:42
○ 2026-05-02 14:57:36
○ 2026-06-16 23:08:14
● 2015-11-08 01:12:40
● 2017-03-20 16:10:42
○ 2026-05-02 14:57:36
○ 2026-06-16 23:08:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | d.dns.cn, e.dns.cn, a.dns.cn, c.dns.cn... | - |
| escience.gov.cn | ns1.sfn.cn, ns2.sfn.cn | - |
✅ Authoritative Response
Server:111.63.77.30
NS records: ns1.sfn.cn, ns2.sfn.cn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for escience.gov.cn (unsigned zone)
⏱️ Timing
Total: 1982ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
Name Servers
escience.gov.cn is served by two delegated name servers, ns1.sfn.cn and ns2.sfn.cn.
The name server configuration of escience.gov.cn is shared with other domains, for instance ijmradiol.ac.cn, fsti.cn, cmr-co.com and two others.
The DNS delegation for escience.gov.cn at least partly coincides with that of other domains, ecsponline.com being one example.
Host names pointing to two IP addresses:
ns2.sfn.cn maps to two IP addresses — 101.37.119.99 and 111.63.77.30.
Host names resolving to a single IP address:
ns1.sfn.cn points to the IP address 111.63.77.29.