focuseducation.com.cn - robtex.com
focuseducation.com.cn
| DNSSEC | ⚠️ Not signed | ||||||
com.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.dns.cn ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | c.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | cns.cernet.net ⚠️ Not in parent delegation | ||||||
| NS | d.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | e.dns.cn ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2030564290 | ||||||
Same first word
Similar names
DNS History
13 records (0 active, 13 former)
○NSf1g1ns1.dnspod.net2015-10-16 → 2016-09-23 · 5 obs
○ 2015-05-13 12:45:12
● 2015-10-16 03:52:54
● 2016-09-23 02:10:16
○ 2017-05-29 13:33:10
○ 2026-05-12 15:33:20
● 2015-10-16 03:52:54
● 2016-09-23 02:10:16
○ 2017-05-29 13:33:10
○ 2026-05-12 15:33:20
○NSf1g1ns2.dnspod.net2015-10-16 → 2016-09-23 · 5 obs
○ 2015-05-13 12:45:12
● 2015-10-16 03:52:54
● 2016-09-23 02:10:16
○ 2017-05-29 13:33:10
○ 2026-05-12 15:33:20
● 2015-10-16 03:52:54
● 2016-09-23 02:10:16
○ 2017-05-29 13:33:10
○ 2026-05-12 15:33:20
○NSns1.51dns.com2015-05-13 → 2015-05-13 · 3 obs
● 2015-05-13 12:45:12
○ 2015-10-16 03:52:54
○ 2026-05-12 15:33:20
○ 2015-10-16 03:52:54
○ 2026-05-12 15:33:20
○NSns1.myhostadmin.net2017-05-29 → 2017-05-29 · 4 obs
○ 2016-09-23 02:10:16
● 2017-05-29 13:33:10
○ 2026-04-10 08:55:54
○ 2026-05-12 15:33:20
● 2017-05-29 13:33:10
○ 2026-04-10 08:55:54
○ 2026-05-12 15:33:20
○NSns2.51dns.com2015-05-13 → 2015-05-13 · 3 obs
● 2015-05-13 12:45:12
○ 2015-10-16 03:52:54
○ 2026-05-12 15:33:20
○ 2015-10-16 03:52:54
○ 2026-05-12 15:33:20
○NSns2.myhostadmin.net2017-05-29 → 2017-05-29 · 4 obs
○ 2016-09-23 02:10:16
● 2017-05-29 13:33:10
○ 2026-04-10 08:55:54
○ 2026-05-12 15:33:20
● 2017-05-29 13:33:10
○ 2026-04-10 08:55:54
○ 2026-05-12 15:33:20
○NSns3.myhostadmin.net2017-05-29 → 2017-05-29 · 4 obs
○ 2016-09-23 02:10:16
● 2017-05-29 13:33:10
○ 2026-04-10 08:55:54
○ 2026-05-12 15:33:20
● 2017-05-29 13:33:10
○ 2026-04-10 08:55:54
○ 2026-05-12 15:33:20
○NSns4.myhostadmin.net2017-05-29 → 2017-05-29 · 4 obs
○ 2016-09-23 02:10:16
● 2017-05-29 13:33:10
○ 2026-04-10 08:55:54
○ 2026-05-12 15:33:20
● 2017-05-29 13:33:10
○ 2026-04-10 08:55:54
○ 2026-05-12 15:33:20
○NSns5.myhostadmin.net2017-05-29 → 2017-05-29 · 4 obs
○ 2016-09-23 02:10:16
● 2017-05-29 13:33:10
○ 2026-04-10 08:55:54
○ 2026-05-12 15:33:20
● 2017-05-29 13:33:10
○ 2026-04-10 08:55:54
○ 2026-05-12 15:33:20
○NSns6.myhostadmin.net2017-05-29 → 2017-05-29 · 4 obs
○ 2016-09-23 02:10:16
● 2017-05-29 13:33:10
○ 2026-04-10 08:55:54
○ 2026-05-12 15:33:20
● 2017-05-29 13:33:10
○ 2026-04-10 08:55:54
○ 2026-05-12 15:33:20
○A107.160.26.1342015-05-13 → 2015-05-13 · 3 obs
● 2015-05-13 12:45:12
○ 2017-05-29 13:33:10
○ 2026-05-12 15:33:20
○ 2017-05-29 13:33:10
○ 2026-05-12 15:33:20
○A122.114.169.92017-05-29 → 2017-05-29 · 4 obs
○ 2016-03-31 03:23:34
● 2017-05-29 13:33:10
○ 2026-04-10 08:55:54
○ 2026-05-12 15:33:20
● 2017-05-29 13:33:10
○ 2026-04-10 08:55:54
○ 2026-05-12 15:33:20
○A146.148.192.1322015-10-16 → 2015-12-21 · 5 obs
○ 2015-05-13 12:45:12
● 2015-10-16 03:52:54
● 2015-12-21 20:25:54
○ 2016-03-31 03:23:34
○ 2026-05-12 15:33:20
● 2015-10-16 03:52:54
● 2015-12-21 20:25:54
○ 2016-03-31 03:23:34
○ 2026-05-12 15:33:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
✅ Authoritative Response
Server:203.119.26.1
NS records: a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn, e.dns.cn
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 3459ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|