czuedu.com - robtex.com
czuedu.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 107.163.90.15🇺🇸 AS395776107.163.90.0/24 Enclue | ||||||
| A | 192.186.36.56🇺🇸 AS395776192.186.36.0/24 SKBroadband customer route | ||||||
| NS | ns1.dns.com ⭐ | ||||||
| A | 2001:df2:f080:2::1:1🇭🇰 HKCICL-AS-AP2001:df2:f080::/48 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| A | 154.23.191.128🇺🇸 HKCICL-AS-AP154.23.191.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| A | 154.86.21.128🇭🇰 HKCICL-AS-AP154.86.21.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| NS | ns2.dns.com | ||||||
| A | 2001:df2:f080:2::1:2🇭🇰 HKCICL-AS-AP2001:df2:f080::/48 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| A | 154.23.191.129🇺🇸 HKCICL-AS-AP154.23.191.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| A | 154.86.21.129🇭🇰 HKCICL-AS-AP154.86.21.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| SOA | ns1.dns.comadmin@dns.com serial=1768524886 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1771291435 | ||||||
Same first word
czuedu.com |
DNS History
8 records (4 active, 4 former)
○NSdns17.hichina.com2015-06-26 → 2016-12-12 · 4 obs
● 2016-12-12 08:26:32
○ 2026-02-26 03:58:30
○ 2026-03-24 03:34:48
○NSdns18.hichina.com2015-06-26 → 2016-12-12 · 4 obs
● 2016-12-12 08:26:32
○ 2026-02-26 03:58:30
○ 2026-03-24 03:34:48
●NSns1.dns.com2026-02-26 → 2026-03-24 · 3 obs
● 2026-02-26 03:58:30
● 2026-03-24 03:34:48
●NSns2.dns.com2026-02-26 → 2026-03-24 · 3 obs
● 2026-02-26 03:58:30
● 2026-03-24 03:34:48
○MXmx.mail.ym.163.com2015-06-26 → 2016-12-12 · 4 obs
● 2016-12-12 08:26:32
○ 2026-02-26 03:58:30
○ 2026-03-24 03:34:48
●A107.163.90.152026-02-26 → 2026-03-24 · 3 obs
● 2026-02-26 03:58:30
● 2026-03-24 03:34:48
○A115.28.43.1142015-06-26 → 2015-06-26 · 3 obs
○ 2015-11-05 13:44:26
○ 2026-03-24 03:34:48
●A192.186.36.562026-02-26 → 2026-03-24 · 3 obs
● 2026-02-26 03:58:30
● 2026-03-24 03:34:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, a.gtld-servers.net, g.gtld-servers.net, d.gtld-servers.net... | - |
| czuedu.com | ns1.dns.com, ns2.dns.com | 6 records |
✅ Authoritative Response
Server:154.23.191.129
NS records: ns1.dns.com, ns2.dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for czuedu.com (unsigned zone)
⏱️ Timing
Total: 448ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 192.186.36.56, 107.163.90.15 |
| NS | 2 | ns1.dns.com, ns2.dns.com |
| SOA | 1 | ns1.dns.com admin.dns.com |
📌 Glue Records Collected
Total: 6
Out-of-bailiwick: 6 (ns1.dns.com, ns1.dns.com, ns1.dns.com...)
Analysis
IP Addresses
czuedu.com resolves to two IPs: 107.163.90.15 and 192.186.36.56.
other host names for instance zelihagur.com, mail.oklive365.com, macodan.com, iflow-china.com and mail.seacomo.com share IP numbers with czuedu.com.
Name Servers
czuedu.com is delegated to two name servers: ns1.dns.com and ns2.dns.com.
czuedu.com shares the same name server setup as other domains, for example china-kaixi.com, qiuqiuzi.com, hgkj666.com, udc.cn and china-ylxx.com.
Host names with three IP numbers:
ns1.dns.com points to: 2001:df2:f080:2::1:1, 154.23.191.128 and 154.86.21.128.
ns2.dns.com points to: 2001:df2:f080:2::1:2, 154.23.191.129 and 154.86.21.129.