simedu.cn - robtex.com
simedu.cn
cn
| DNSSEC | ⚠️ Not signed | ||||||
| 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=2034546407 | ||||||
Same first word
Similar names
DNS History
16 records (4 active, 12 former)
●NSa.dnspod.com2026-03-15 → 2026-03-17 · 3 obs
● 2026-03-15 01:16:06
● 2026-03-17 23:48:42
●NSb.dnspod.com2026-03-15 → 2026-03-17 · 3 obs
● 2026-03-15 01:16:06
● 2026-03-17 23:48:42
●NSc.dnspod.com2026-03-15 → 2026-03-17 · 3 obs
● 2026-03-15 01:16:06
● 2026-03-17 23:48:42
○NSns1.myhostadmin.net2015-06-02 → 2017-01-02 · 4 obs
● 2017-01-02 20:19:36
○ 2026-03-15 01:16:06
○ 2026-03-17 23:48:42
○NSns2.myhostadmin.net2015-06-02 → 2017-01-02 · 4 obs
● 2017-01-02 20:19:36
○ 2026-03-15 01:16:06
○ 2026-03-17 23:48:42
○NSns3.myhostadmin.net2015-06-02 → 2017-01-02 · 4 obs
● 2017-01-02 20:19:36
○ 2026-03-15 01:16:06
○ 2026-03-17 23:48:42
○NSns4.myhostadmin.net2015-06-02 → 2017-01-02 · 4 obs
● 2017-01-02 20:19:36
○ 2026-03-15 01:16:06
○ 2026-03-17 23:48:42
○NSns5.myhostadmin.net2015-06-02 → 2017-01-02 · 4 obs
● 2017-01-02 20:19:36
○ 2026-03-15 01:16:06
○ 2026-03-17 23:48:42
○NSns6.myhostadmin.net2015-06-02 → 2017-01-02 · 4 obs
● 2017-01-02 20:19:36
○ 2026-03-15 01:16:06
○ 2026-03-17 23:48:42
○A118.123.10.2122015-12-13 → 2017-01-02 · 5 obs
● 2015-12-13 00:20:18
● 2017-01-02 20:19:36
○ 2026-03-15 01:16:06
○ 2026-03-17 23:48:42
○A125.88.190.282015-10-21 → 2015-10-22 · 5 obs
● 2015-10-21 17:30:00
● 2015-10-22 19:39:20
○ 2015-12-13 00:20:18
○ 2026-03-17 23:48:42
○A125.88.190.52015-06-02 → 2015-06-02 · 3 obs
○ 2026-03-15 01:16:06
○ 2026-03-17 23:48:42
●A154.195.221.462026-03-15 → 2026-03-17 · 3 obs
● 2026-03-15 01:16:06
● 2026-03-17 23:48:42
○CNAME5dce262bb28ab707e78b6dd13f9f187a.dnspao.com2015-10-21 → 2015-10-22 · 5 obs
● 2015-10-21 17:30:00
● 2015-10-22 19:39:20
○ 2015-12-13 00:20:18
○ 2026-03-17 23:48:42
○CNAMEsimedu.gotoip3.com2015-06-02 → 2017-01-02 · 4 obs
● 2017-01-02 20:19:36
○ 2026-03-15 01:16:06
○ 2026-03-17 23:48:42
○CNAMEweb.cd63.abc188.com2015-12-13 → 2017-01-02 · 5 obs
● 2015-12-13 00:20:18
● 2017-01-02 20:19:36
○ 2026-03-15 01:16:06
○ 2026-03-17 23:48:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | b.dns.cn, d.dns.cn, e.dns.cn, c.dns.cn... | - |
| simedu.cn | a.dnspod.com, b.dnspod.com, c.dnspod.com | - |
✅ Authoritative Response
Server: 101.227.168.75
NS records: a.dnspod.com, b.dnspod.com, c.dnspod.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for simedu.cn (unsigned zone)
⏱️ Timing
Total: 4470ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 154.195.221.46 |
| NS | 3 | b.dnspod.com, c.dnspod.com... |
| SOA | 1 | a.dnspod.com domainadmin.dnspod.com |
Analysis
IP Addresses
simedu.cn points to a single IP: 154.195.221.46.
Other host names, such as aicms.net, share IP numbers with simedu.cn.
Name Servers
simedu.cn is delegated to three name servers: a.dnspod.com, b.dnspod.com and c.dnspod.com.
simedu.cn partially shares name servers with other domains; examples include guibin21.com, cartaconstinents.cfd, alphxzo.cfd, yxbjx.cn and gnusbjffs10.icu.
these name servers are commonly used with the name servers f1g1ns1.dnspod.net.
Host names with four IP numbers:
The host name a.dnspod.com points to: 43.130.172.75, 43.134.249.74, 101.227.168.75 and 117.135.128.175.
Host names with three IP numbers:
The host name b.dnspod.com points to: 43.161.3.75, 163.177.5.79 and 220.196.136.75.
The host name c.dnspod.com points to: 43.134.249.75, 112.80.181.175 and 125.94.59.175.