gxnu.cn - robtex.com
gxnu.cn
| DNSSEC | โ ๏ธ Not signed | ||||||
| A | 202.193.160.49๐จ๐ณ ERX-CERNET-BKB202.193.160.0/24 | ||||||
| PTR | rp.gxnu.edu.cn | ||||||
| NS | dns1.gxnu.cn โญ | ||||||
| A | 202.193.160.33๐จ๐ณ ERX-CERNET-BKB202.193.160.0/24 | ||||||
| PTR | dns1.gxnu.edu.cn | ||||||
| NS | dns2.gxnu.cn | ||||||
| A | 202.193.160.34๐จ๐ณ ERX-CERNET-BKB202.193.160.0/24 | ||||||
| PTR | dns2.gxnu.edu.cn | ||||||
| TXT | v=spf1 ip4:202.193.160.43 -all | ||||||
| SOA | dns1.gxnu.cnroot@dns1.gxnu.cn 2024-07-05 #25 | ||||||
cn
| DNSSEC | ๐ Signed (DS record present) | ||||||
| NS | a.dns.cn โญ | ||||||
| NS | b.dns.cn | ||||||
| NS | c.dns.cn | ||||||
| NS | d.dns.cn | ||||||
| NS | e.dns.cn | ||||||
| NS | ns.cernet.net โ ๏ธ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2034659819 | ||||||
Subdomains
Same first word
Similar names
DNS History
4 records (3 active, 1 former)
โNSdns1.gxnu.cn2015-05-30 โ 2026-04-11 ยท 2 obs
โ 2015-05-30 12:24:18
โ 2026-04-11 18:13:24
โ 2026-04-11 18:13:24
โNSdns2.gxnu.cn2015-05-30 โ 2026-04-11 ยท 2 obs
โ 2015-05-30 12:24:18
โ 2026-04-11 18:13:24
โ 2026-04-11 18:13:24
โMXmailbox.gxnu.cn2015-05-30 โ 2017-01-14 ยท 4 obs
โ 2015-05-30 12:24:18
โ 2017-01-14 09:05:38
โ 2018-07-07 16:49:56
โ 2026-04-11 18:13:24
โ 2017-01-14 09:05:38
โ 2018-07-07 16:49:56
โ 2026-04-11 18:13:24
โA202.193.160.492018-07-07 โ 2026-04-11 ยท 2 obs
โ 2018-07-07 16:49:56
โ 2026-04-11 18:13:24
โ 2026-04-11 18:13:24
๐ DNS Trace
๐ Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| gxnu.cn | dns1.gxnu.cn, dns2.gxnu.cn | 4 records |
โ Authoritative Response
Server:202.193.160.34
NS records: dns1.gxnu.cn, dns2.gxnu.cn
๐ DNSSEC Status
โ ๏ธ Insecure (no DNSSEC)
No DS record for gxnu.cn (unsigned zone)
โฑ๏ธ Timing
Total: 1362ms | Queries: -
๐ Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 202.193.160.49 |
| NS | 2 | dns1.gxnu.cn, dns2.gxnu.cn |
| TXT | 1 | v=spf1 ip4:202.193.160.43 -all |
| SOA | 1 | dns1.gxnu.cn root.dns1.gxnu.cn |
๐ Glue Records Collected
Total: 4
In-bailiwick: 4 (dns1.gxnu.cn, dns1.gxnu.cn, dns2.gxnu.cn...)
Analysis
Hierarchy
gxnu.cn is parent of dns2.gxnu.cn and dns1.gxnu.cn.
IP Addresses
gxnu.cn points to a single IP: 202.193.160.49.
Other host names such as rp.gxnu.edu.cn, gxnu.edu.cn, www.gxnu.edu.cn and rp6.gxnu.edu.cn share IP numbers with gxnu.cn.
Name Servers
gxnu.cn's delegation is to two name servers dns1.gxnu.cn and dns2.gxnu.cn.
Host names with a single IP:
dns1.gxnu.cn resolves to 202.193.160.33.
dns2.gxnu.cn resolves to 202.193.160.34.