semstudy.cn - dns.ninja
semstudy.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns7.cnmsn.net ⚠️ Not in zone NS records | ||||||
| NS | ns8.cnmsn.net ⚠️ Not in zone NS records | ||||||
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 2035-09-04 #42 | ||||||
Same first word
Similar names
DNS History
8 records (2 active, 6 former)
○NSdns.bizcn.com2026-04-27 → 2026-04-27 · 4 obs
○ 2017-10-25 21:36:04
● 2026-04-27 15:31:26
○ 2026-07-17 13:28:10
○ 2026-07-25 22:04:52
● 2026-04-27 15:31:26
○ 2026-07-17 13:28:10
○ 2026-07-25 22:04:52
○NSdns10.hichina.com2017-10-25 → 2017-10-25 · 3 obs
● 2017-10-25 21:36:04
○ 2026-04-27 15:31:26
○ 2026-07-25 22:04:52
○ 2026-04-27 15:31:26
○ 2026-07-25 22:04:52
○NSdns9.hichina.com2017-10-25 → 2017-10-25 · 3 obs
● 2017-10-25 21:36:04
○ 2026-04-27 15:31:26
○ 2026-07-25 22:04:52
○ 2026-04-27 15:31:26
○ 2026-07-25 22:04:52
●NSns7.cnmsn.net2026-04-27 → 2026-07-25 · 3 obs
○ 2017-10-25 21:36:04
● 2026-04-27 15:31:26
● 2026-07-25 22:04:52
● 2026-04-27 15:31:26
● 2026-07-25 22:04:52
●NSns8.cnmsn.net2026-04-27 → 2026-07-25 · 3 obs
○ 2017-10-25 21:36:04
● 2026-04-27 15:31:26
● 2026-07-25 22:04:52
● 2026-04-27 15:31:26
● 2026-07-25 22:04:52
○MXmx.ym.163.com2017-10-25 → 2017-10-25 · 3 obs
● 2017-10-25 21:36:04
○ 2026-04-27 15:31:26
○ 2026-07-25 22:04:52
○ 2026-04-27 15:31:26
○ 2026-07-25 22:04:52
○A103.142.103.1362026-04-27 → 2026-04-27 · 4 obs
○ 2017-10-25 21:36:04
● 2026-04-27 15:31:26
○ 2026-07-17 13:28:10
○ 2026-07-25 22:04:52
● 2026-04-27 15:31:26
○ 2026-07-17 13:28:10
○ 2026-07-25 22:04:52
○A139.129.142.1832017-10-25 → 2017-10-25 · 3 obs
● 2017-10-25 21:36:04
○ 2026-04-27 15:31:26
○ 2026-07-25 22:04:52
○ 2026-04-27 15:31:26
○ 2026-07-25 22:04:52
🔍 DNS Trace
Analysis
Name Servers
semstudy.cn uses two name servers for its delegation: ns7.cnmsn.net and ns8.cnmsn.net.
semstudy.cn shares its NS records with other domains, for example shzhaoli.com, ptien.com, global-dir.org and two others.
semstudy.cn shares at least some of its name servers with other domains, including jfh-sz.com, litaoshhai.com, rc2345.com and two others.
These name servers are frequently seen alongside the name servers dns.bizcn.com.