qzu.cn - robtex.com
qzu.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns.qzu.cn ⭐ ⚠️ Not in parent delegation | ||||||
| A | 2001:da8:e808:e808::e808🇨🇳 CNGI-XMN-IX-AS-AP2001:da8:e808::/48 | ||||||
| A | 210.34.120.1🇨🇳 ERX-CERNET-BKB210.34.120.0/21 | ||||||
| NS | qzsy-web.qzu.cn ⚠️ Not in zone NS records | ||||||
| SOA | ns.qzu.cnroot@qzu.cn serial=2603111055 | ||||||
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=2034778002 | ||||||
Subdomains
Same first word
Similar names
DNS History
6 records (2 active, 4 former)
○NSdns.qzu.cn2015-07-03 → 2017-04-19 · 4 obs
● 2015-07-03 09:11:26
● 2017-04-19 01:54:38
○ 2026-03-06 12:50:48
○ 2026-05-11 09:12:26
● 2017-04-19 01:54:38
○ 2026-03-06 12:50:48
○ 2026-05-11 09:12:26
○NSdns.qzu.cn.qzu.cn2015-07-03 → 2017-04-19 · 4 obs
● 2015-07-03 09:11:26
● 2017-04-19 01:54:38
○ 2026-03-06 12:50:48
○ 2026-05-11 09:12:26
● 2017-04-19 01:54:38
○ 2026-03-06 12:50:48
○ 2026-05-11 09:12:26
●NSns.qzu.cn2026-03-06 → 2026-05-11 · 3 obs
○ 2017-04-19 01:54:38
● 2026-03-06 12:50:48
● 2026-05-11 09:12:26
● 2026-03-06 12:50:48
● 2026-05-11 09:12:26
●NSqzsy-web.qzu.cn2026-03-06 → 2026-05-11 · 3 obs
○ 2017-04-19 01:54:38
● 2026-03-06 12:50:48
● 2026-05-11 09:12:26
● 2026-03-06 12:50:48
● 2026-05-11 09:12:26
○MXmail.qzu.cn2015-07-03 → 2017-04-19 · 4 obs
● 2015-07-03 09:11:26
● 2017-04-19 01:54:38
○ 2026-03-06 12:50:48
○ 2026-05-11 09:12:26
● 2017-04-19 01:54:38
○ 2026-03-06 12:50:48
○ 2026-05-11 09:12:26
○MXzcs.qzu.cn2015-07-03 → 2017-04-19 · 4 obs
● 2015-07-03 09:11:26
● 2017-04-19 01:54:38
○ 2026-03-06 12:50:48
○ 2026-05-11 09:12:26
● 2017-04-19 01:54:38
○ 2026-03-06 12:50:48
○ 2026-05-11 09:12:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | d.dns.cn, c.dns.cn, a.dns.cn, b.dns.cn... | - |
| qzu.cn | qzsy-web.qzu.cn | 2 records |
✅ Authoritative Response
Server:210.34.120.1
NS records: qzsy-web.qzu.cn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for qzu.cn (unsigned zone)
⏱️ Timing
Total: 4302ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 1 | ns.qzu.cn |
| SOA | 1 | ns.qzu.cn root.qzu.cn |
📌 Glue Records Collected
Total: 2
In-bailiwick: 2 (qzsy-web.qzu.cn, qzsy-web.qzu.cn)
Analysis
Hierarchy
qzu.cn is a parent of www.qzu.cn, dns.qzu.cn and ns.qzu.cn.
Name Servers
qzu.cn is delegated to two name servers: ns.qzu.cn and qzsy-web.qzu.cn.
Host names with two IP numbers: ns.qzu.cn points to 2001:da8:e808:e808::e808 and 210.34.120.1.