gznu.cn - robtex.com
gznu.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns.gznu.edu.cn ⚠️ Not in zone NS records | ||||||
| A | 2001:250:2c01::33🇨🇳 CNGI-GYN-IX-AS-AP2001:250:2c01::/48 | ||||||
| A | 210.40.64.33🇨🇳 ERX-CERNET-BKB210.40.64.0/24 CMI (Customer Route) | ||||||
| NS | sec-dns.gznu.edu.cn ⚠️ Not in zone NS records | ||||||
| A | 2001:250:2c01::34🇨🇳 CNGI-GYN-IX-AS-AP2001:250:2c01::/48 | ||||||
| A | 210.40.64.34🇨🇳 ERX-CERNET-BKB210.40.64.0/24 CMI (Customer Route) | ||||||
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=2034725804 | ||||||
Previously NS for
gznu.cn |
Same first word
Similar names
DNS History
7 records (2 active, 5 former)
○NSdns.gznu.cn2015-06-27 → 2018-06-11 · 6 obs
● 2015-06-27 16:28:54
● 2015-12-19 20:43:42
○ 2016-03-27 01:14:04
● 2018-06-11 17:27:00
○ 2026-03-30 15:21:20
○ 2026-04-29 01:23:18
● 2015-12-19 20:43:42
○ 2016-03-27 01:14:04
● 2018-06-11 17:27:00
○ 2026-03-30 15:21:20
○ 2026-04-29 01:23:18
●NSdns.gznu.edu.cn2026-03-30 → 2026-04-29 · 3 obs
○ 2018-06-11 17:27:00
● 2026-03-30 15:21:20
● 2026-04-29 01:23:18
● 2026-03-30 15:21:20
● 2026-04-29 01:23:18
○NSgznu.cn2016-03-27 → 2018-06-11 · 5 obs
○ 2015-12-19 20:43:42
● 2016-03-27 01:14:04
● 2018-06-11 17:27:00
○ 2026-03-30 15:21:20
○ 2026-04-29 01:23:18
● 2016-03-27 01:14:04
● 2018-06-11 17:27:00
○ 2026-03-30 15:21:20
○ 2026-04-29 01:23:18
○NSsec-dns.gznu.cn2016-03-27 → 2018-06-11 · 5 obs
○ 2015-12-19 20:43:42
● 2016-03-27 01:14:04
● 2018-06-11 17:27:00
○ 2026-03-30 15:21:20
○ 2026-04-29 01:23:18
● 2016-03-27 01:14:04
● 2018-06-11 17:27:00
○ 2026-03-30 15:21:20
○ 2026-04-29 01:23:18
●NSsec-dns.gznu.edu.cn2026-03-30 → 2026-04-29 · 3 obs
○ 2018-06-11 17:27:00
● 2026-03-30 15:21:20
● 2026-04-29 01:23:18
● 2026-03-30 15:21:20
● 2026-04-29 01:23:18
○MXmail.gznu.cn2016-03-27 → 2018-06-11 · 4 obs
● 2016-03-27 01:14:04
● 2018-06-11 17:27:00
○ 2026-03-30 15:21:20
○ 2026-04-29 01:23:18
● 2018-06-11 17:27:00
○ 2026-03-30 15:21:20
○ 2026-04-29 01:23:18
○A202.101.92.222015-06-27 → 2018-06-11 · 4 obs
● 2015-06-27 16:28:54
● 2018-06-11 17:27:00
○ 2026-03-30 15:21:20
○ 2026-04-29 01:23:18
● 2018-06-11 17:27:00
○ 2026-03-30 15:21:20
○ 2026-04-29 01:23:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, d.dns.cn, b.dns.cn, c.dns.cn... | - |
| gznu.cn | dns.gznu.edu.cn, sec-dns.gznu.edu.cn | - |
✅ Authoritative Response
Server:210.40.64.33
NS records: dns.gznu.edu.cn, sec-dns.gznu.edu.cn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for gznu.cn (unsigned zone)
⏱️ Timing
Total: 2345ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
Name Servers
gznu.cn's delegation is to two name servers dns.gznu.edu.cn and sec-dns.gznu.edu.cn.
gznu.cn shares name servers with other domains at least partially, for example gznu.edu.cn.
These name servers are commonly used alongside dns1.gznu.edu.cn and ns2.gznu.edu.cn.
Host names with two IP numbers: dns.gznu.edu.cn points to 2001:250:2c01::33 and 210.40.64.33; sec-dns.gznu.edu.cn points to 2001:250:2c01::34 and 210.40.64.34