21223.cn - robtex.com
21223.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 173.249.187.111🇺🇸 BETTER-HK173.249.187.0/24 client's prefix | ||||||
| NS | ns1.julydns.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns1.judns.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.27.251Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.judns.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.27.251Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.julydns.com ⚠️ Not in parent delegation | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | ns1.julydns.commaster@jmdns.com serial=1775403171 | ||||||
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 serial=2034953010 | ||||||
rank #13283 in the tld
Same first word
21223.cn |
Similar names
22231.com |
23221.cc |
32122.com |
12232.cc |
12322.vip |
13222.com |
12223.us |
21322.com |
31222.cc |
21322.cn |
23221.com |
12223.net |
22213.cn |
31222.org |
23212.com |
12322.com |
21232.com |
31222.com |
12322.us |
DNS History
17 records (5 active, 12 former)
○NSdns1.iidns.com2015-12-31 → 2017-01-20 · 4 obs
● 2017-01-20 13:13:36
○ 2026-06-02 22:51:54
○ 2026-06-22 02:43:46
○NSdns2.iidns.com2015-12-31 → 2016-04-12 · 4 obs
● 2016-04-12 11:35:24
○ 2026-06-02 22:51:54
○ 2026-06-22 02:43:46
○NSdns3.iidns.com2015-12-31 → 2016-04-12 · 4 obs
● 2016-04-12 11:35:24
○ 2026-06-02 22:51:54
○ 2026-06-22 02:43:46
○NSdns4.iidns.com2015-12-31 → 2016-04-12 · 4 obs
● 2016-04-12 11:35:24
○ 2026-06-02 22:51:54
○ 2026-06-22 02:43:46
○NSdns5.iidns.com2015-12-31 → 2016-04-12 · 4 obs
● 2016-04-12 11:35:24
○ 2026-06-02 22:51:54
○ 2026-06-22 02:43:46
○NSdns6.iidns.com2015-12-31 → 2016-04-12 · 4 obs
● 2016-04-12 11:35:24
○ 2026-06-02 22:51:54
○ 2026-06-22 02:43:46
●NSns1.judns.com2026-06-02 → 2026-06-22 · 3 obs
● 2026-06-02 22:51:54
● 2026-06-22 02:43:46
●NSns1.julydns.com2026-06-02 → 2026-06-22 · 3 obs
● 2026-06-02 22:51:54
● 2026-06-22 02:43:46
●NSns2.judns.com2026-06-02 → 2026-06-22 · 3 obs
● 2026-06-02 22:51:54
● 2026-06-22 02:43:46
●NSns2.julydns.com2026-06-02 → 2026-06-22 · 3 obs
● 2026-06-02 22:51:54
● 2026-06-22 02:43:46
●A173.249.187.1112026-06-02 → 2026-06-22 · 3 obs
● 2026-06-02 22:51:54
● 2026-06-22 02:43:46
○A198.148.92.532015-06-03 → 2015-06-03 · 3 obs
○ 2026-06-02 22:51:54
○ 2026-06-22 02:43:46
○A198.148.92.562015-06-03 → 2016-04-12 · 4 obs
● 2016-04-12 11:35:24
○ 2026-06-02 22:51:54
○ 2026-06-22 02:43:46
○A198.148.92.572016-04-12 → 2016-04-12 · 4 obs
● 2016-04-12 11:35:24
○ 2026-06-02 22:51:54
○ 2026-06-22 02:43:46
○A198.148.92.582015-06-03 → 2016-04-12 · 4 obs
● 2016-04-12 11:35:24
○ 2026-06-02 22:51:54
○ 2026-06-22 02:43:46
○A198.148.92.622015-06-03 → 2015-06-03 · 3 obs
○ 2026-06-02 22:51:54
○ 2026-06-22 02:43:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn... | - |
| 21223.cn | ns1.judns.com, ns2.judns.com | - |
✅ Authoritative Response
Server:162.159.27.251
NS records: ns1.judns.com, ns2.judns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 21223.cn (unsigned zone)
⏱️ Timing
Total: 1504ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 173.249.187.111 |
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| SOA | 1 | ns1.julydns.com master.jmdns.com |
Analysis
IP Addresses
21223.cn resolves to one IP address: 173.249.187.111.
mgjpco.com, dxsbzx.cn, 0n5rb.cn and two other host names share IP numbers with 21223.cn.
Name Servers
The authoritative name servers for 21223.cn are ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.
There is at least partial name server overlap between 21223.cn and other domains — hongfangyin.cn, xbj001.com, teedvr.com and two more among them.
These name servers frequently co-occur with the name servers ns1.onclouddns.com and ns2.onclouddns.com.
Four host names each point to one IP address: ns1.judns.com and ns2.judns.com both point to 162.159.27.251, and ns1.julydns.com and ns2.julydns.com both point to 162.159.48.223.
Host names pointing to 162.159.27.251 IP addresses: ns1.judns.com and ns2.judns.com.
Host names pointing to 162.159.48.223 IP addresses: ns1.julydns.com and ns2.julydns.com.