trunk.edu.cn - robtex.com
trunk.edu.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.service.edu.cn ⭐ | ||||||
| A | 2001:da8:257:2222::8888🇨🇳 ERX-CERNET-BKB2001:da8:257::/48 | ||||||
| A | 202.112.5.49🇨🇳 ERX-CERNET-BKB202.112.0.0/16 | ||||||
| PTR | ns1.service.edu.cn | ||||||
| NS | ns2.service.edu.cn | ||||||
| A | 2001:da8:257:1111::8888🇨🇳 ERX-CERNET-BKB2001:da8:257::/48 | ||||||
| A | 202.112.4.49🇨🇳 CNGI-BJ-IX2-AS-AP202.112.4.0/24 CMI (Customer Route) | ||||||
| PTR | ns2.service.edu.cn | ||||||
| SOA | ns1.service.edu.cncerpark@cernet.com serial=3043365330 | ||||||
edu.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns2.edu.cn ⭐ | ||||||
| NS | dns.edu.cn | ||||||
| NS | dns3.edu.cn | ||||||
| NS | ns2.cernet.net ⚠️ Not in parent delegation | ||||||
| NS | ns4.cernet.net ⚠️ Not in parent delegation | ||||||
| NS | ns5.cernet.net ⚠️ Not in parent delegation | ||||||
| SOA | dns.edu.cnhostmaster@net.edu.cn 2026-05-08 #24 | ||||||
Same first word
Similar names
krtnu.com |
trnuk.com |
krtun.com |
knutr.de |
krunt.net |
rktun.co |
turkn.com |
trukn.com |
nutrk.com |
rtukn.com |
tnruk.com |
knurt.com |
knutr.com |
kurtn.kasserver.com |
knrtu.ru |
kntur.com |
rktun.com |
kturn.com |
kuntr.com |
tunkr.com |
kurtn.com |
DNS History
2 records (2 active, 0 former)
●NSns1.service.edu.cn2018-05-11 → 2026-05-11 · 2 obs
● 2026-05-11 00:19:28
●NSns2.service.edu.cn2018-05-11 → 2026-05-11 · 2 obs
● 2026-05-11 00:19:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| edu.cn | dns.edu.cn, ns2.cernet.net, ns4.cernet.net, ns5.cernet.net... | 6 records |
| trunk.edu.cn | ns1.service.edu.cn, ns2.service.edu.cn | 4 records |
✅ Authoritative Response
Server:202.112.4.49
NS records: ns1.service.edu.cn, ns2.service.edu.cn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for trunk.edu.cn (unsigned zone)
⏱️ Timing
Total: 1980ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns1.service.edu.cn, ns2.service.edu.cn |
| SOA | 1 | ns1.service.edu.cn cerpark.cernet.com |
📌 Glue Records Collected
Total: 10
In-bailiwick: 6 (dns.edu.cn, dns.edu.cn, dns2.edu.cn...)
Out-of-bailiwick: 4 (ns2.service.edu.cn, ns1.service.edu.cn, ns2.service.edu.cn...)
Analysis
Name Servers
Two name servers ns1.service.edu.cn and ns2.service.edu.cn handle the delegation for trunk.edu.cn.
trunk.edu.cn shares the same name server setup as other domains, for instance sxvuct.edu.cn, cetv.cn, hebart.edu.cn, jluzh.edu.cn and xmist.edu.cn.
trunk.edu.cn at least partially shares name servers with other domains, including hbafa.edu.cn and jvcit.edu.cn.
Host names with two IP numbers:
ns1.service.edu.cn points to 2001:da8:257:2222::8888 and 202.112.5.49.
ns2.service.edu.cn points to 2001:da8:257:1111::8888 and 202.112.4.49.