sjzlib.cn - robtex.com
sjzlib.cn
| CNAME | sjzlib.mh.chaoxing.com | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
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=2034706864 | ||||||
Subdomains
www.sjzlib.cn |
Same first word
sjzlib.cn |
Similar names
DNS History
8 records (3 active, 5 former)
○NSns1.sdc.org.cn2015-08-10 → 2019-12-25 · 4 obs
● 2015-08-10 01:02:08
● 2019-12-25 12:32:44
○ 2026-03-31 20:09:58
○ 2026-04-24 10:34:02
● 2019-12-25 12:32:44
○ 2026-03-31 20:09:58
○ 2026-04-24 10:34:02
●NSns1.sfn.cn2026-03-31 → 2026-04-24 · 3 obs
○ 2019-12-25 12:32:44
● 2026-03-31 20:09:58
● 2026-04-24 10:34:02
● 2026-03-31 20:09:58
● 2026-04-24 10:34:02
○NSns2.sdc.org.cn2015-08-10 → 2019-12-25 · 4 obs
● 2015-08-10 01:02:08
● 2019-12-25 12:32:44
○ 2026-03-31 20:09:58
○ 2026-04-24 10:34:02
● 2019-12-25 12:32:44
○ 2026-03-31 20:09:58
○ 2026-04-24 10:34:02
●NSns2.sfn.cn2026-03-31 → 2026-04-24 · 3 obs
○ 2019-12-25 12:32:44
● 2026-03-31 20:09:58
● 2026-04-24 10:34:02
● 2026-03-31 20:09:58
● 2026-04-24 10:34:02
○NSns3.sdc.org.cn2015-08-10 → 2019-12-25 · 4 obs
● 2015-08-10 01:02:08
● 2019-12-25 12:32:44
○ 2026-03-31 20:09:58
○ 2026-04-24 10:34:02
● 2019-12-25 12:32:44
○ 2026-03-31 20:09:58
○ 2026-04-24 10:34:02
○A121.28.1.1542015-08-10 → 2015-08-10 · 3 obs
● 2015-08-10 01:02:08
○ 2015-12-01 09:25:46
○ 2026-04-24 10:34:02
○ 2015-12-01 09:25:46
○ 2026-04-24 10:34:02
○A123.182.227.702015-12-01 → 2019-12-25 · 5 obs
○ 2015-08-10 01:02:08
● 2015-12-01 09:25:46
● 2019-12-25 12:32:44
○ 2026-03-31 20:09:58
○ 2026-04-24 10:34:02
● 2015-12-01 09:25:46
● 2019-12-25 12:32:44
○ 2026-03-31 20:09:58
○ 2026-04-24 10:34:02
●CNAMEsjzlib.mh.chaoxing.com2026-03-31 → 2026-04-24 · 2 obs
● 2026-03-31 20:09:58
● 2026-04-24 10:34:02
● 2026-04-24 10:34:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| sjzlib.cn | ns1.sfn.cn, ns2.sfn.cn | 3 records |
✅ Authoritative Response
Server:101.37.119.99
NS records: ns1.sfn.cn, ns2.sfn.cn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sjzlib.cn (unsigned zone)
⏱️ Timing
Total: 4367ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns1.sfn.cn, ns2.sfn.cn |
| CNAME | 1 | sjzlib.mh.chaoxing.com |
| SOA | 1 | ns1.sfn.cn root.ns1.sfn.cn |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns1.sfn.cn, ns2.sfn.cn, ns2.sfn.cn)