21ccedu.com - robtex.com
21ccedu.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 107.163.47.24🇺🇸 AS395776107.163.47.0/24 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=1768151866 | ||||||
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 | ||||||
rank #157521 in the tld
Same first word
21ccedu.com |
DNS History
7 records (3 active, 4 former)
●NSns1.dns.com2026-02-18 → 2026-03-24 · 3 obs
● 2026-02-18 20:33:38
● 2026-03-24 09:43:10
○NSns17.domaincontrol.com2016-11-25 → 2017-06-28 · 4 obs
● 2017-06-28 05:05:08
○ 2026-02-18 20:33:38
○ 2026-03-24 09:43:10
○NSns18.domaincontrol.com2016-11-25 → 2017-06-28 · 4 obs
● 2017-06-28 05:05:08
○ 2026-02-18 20:33:38
○ 2026-03-24 09:43:10
●NSns2.dns.com2026-02-18 → 2026-03-24 · 3 obs
● 2026-02-18 20:33:38
● 2026-03-24 09:43:10
○MXmail.21ccedu.com2016-11-25 → 2017-06-28 · 4 obs
● 2017-06-28 05:05:08
○ 2026-02-18 20:33:38
○ 2026-03-24 09:43:10
●A107.163.47.242026-02-18 → 2026-03-24 · 3 obs
● 2026-02-18 20:33:38
● 2026-03-24 09:43:10
○A166.62.25.2532016-11-25 → 2017-06-28 · 4 obs
● 2017-06-28 05:05:08
○ 2026-02-18 20:33:38
○ 2026-03-24 09:43:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| 21ccedu.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 21ccedu.com (unsigned zone)
⏱️ Timing
Total: 350ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 107.163.47.24 |
| 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
21ccedu.com points to a single IP: 107.163.47.24.
Other host names, for instance aoemy.com, ricwusa.com and eil-china.com share IP numbers with 21ccedu.com.
Name Servers
Two name servers ns1.dns.com and ns2.dns.com handle delegation for 21ccedu.com.
21ccedu.com uses the same name server setup as other domains, for example 6686.space, shici114.com, universalhcg.com, 00516.com and nhulua.com.
21ccedu.com partially shares name servers with other domains, such as chinapeace.org.cn and ispeed.com.
These name servers are often used with the name servers v1.dns.com and v2.dns.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.