classa.cn - robtex.com
classa.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 38.239.29.19🇺🇸 HDHK38.239.16.0/20 | ||||||
| NS | dm1.longmingdns.com ⭐ | ||||||
| A | 218.98.111.163🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| NS | dm2.longmingdns.com | ||||||
| A | 183.253.57.197🇨🇳 CHINAMOBILE-CN183.253.0.0/16 CMI (Customer Route) | ||||||
| A | 211.99.99.56🇨🇳 DONGGUAN-1211.99.99.0/24 Proxy-registered route object | ||||||
| SOA | dm1.longmingdns.comdnsadmin@longmingdns.com serial=1773244743 | ||||||
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=2034595653 | ||||||
Same first word
classa.com |
classa.es |
classa.ch |
classa.bg |
classa.cn |
classa.co.uk |
classa.co.il |
classa.com.au |
classa.my |
classa.de |
classa.ru |
Similar names
DNS History
8 records (3 active, 5 former)
●NSdm1.longmingdns.com2026-03-27 → 2026-03-27 · 3 obs
○ 2019-03-20 19:53:44
● 2026-03-27 08:51:46
● 2026-03-27 21:36:10
● 2026-03-27 08:51:46
● 2026-03-27 21:36:10
●NSdm2.longmingdns.com2026-03-27 → 2026-03-27 · 3 obs
○ 2019-03-20 19:53:44
● 2026-03-27 08:51:46
● 2026-03-27 21:36:10
● 2026-03-27 08:51:46
● 2026-03-27 21:36:10
○NSdns13.hichina.com2015-05-18 → 2017-02-19 · 4 obs
● 2015-05-18 13:57:42
● 2017-02-19 04:27:44
○ 2019-03-20 19:53:44
○ 2026-03-27 21:36:10
● 2017-02-19 04:27:44
○ 2019-03-20 19:53:44
○ 2026-03-27 21:36:10
○NSdns14.hichina.com2015-05-18 → 2017-02-19 · 4 obs
● 2015-05-18 13:57:42
● 2017-02-19 04:27:44
○ 2019-03-20 19:53:44
○ 2026-03-27 21:36:10
● 2017-02-19 04:27:44
○ 2019-03-20 19:53:44
○ 2026-03-27 21:36:10
○NSdns3.hichina.com2019-03-20 → 2019-03-20 · 4 obs
○ 2017-02-19 04:27:44
● 2019-03-20 19:53:44
○ 2026-03-27 08:51:46
○ 2026-03-27 21:36:10
● 2019-03-20 19:53:44
○ 2026-03-27 08:51:46
○ 2026-03-27 21:36:10
○NSdns4.hichina.com2019-03-20 → 2019-03-20 · 4 obs
○ 2017-02-19 04:27:44
● 2019-03-20 19:53:44
○ 2026-03-27 08:51:46
○ 2026-03-27 21:36:10
● 2019-03-20 19:53:44
○ 2026-03-27 08:51:46
○ 2026-03-27 21:36:10
●A38.239.29.192026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 08:51:46
● 2026-03-27 21:36:10
● 2026-03-27 21:36:10
○CNAMEa3.yuboled.cn2019-03-20 → 2019-03-20 · 3 obs
● 2019-03-20 19:53:44
○ 2026-03-27 08:51:46
○ 2026-03-27 21:36:10
○ 2026-03-27 08:51:46
○ 2026-03-27 21:36:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| classa.cn | dm1.longmingdns.com, dm2.longmingdns.com | - |
✅ Authoritative Response
Server:218.98.111.163
NS records: dm1.longmingdns.com, dm2.longmingdns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for classa.cn (unsigned zone)
⏱️ Timing
Total: 3756ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 38.239.29.19 |
| NS | 2 | dm1.longmingdns.com, dm2.longmingdns.com |
| SOA | 1 | dm1.longmingdns.com dnsadmin.longmingdns |
Analysis
IP Addresses
classa.cn points to an IP address: 38.239.29.19.
Other host names, for instance xpzhx.cn and ntsky.cn, share IP numbers with classa.cn.
Name Servers
Two name servers dm1.longmingdns.com and dm2.longmingdns.com handle the delegation for classa.cn.
classa.cn shares the same name server setup as other domains, for instance biyanshijia.cn, houoop.cn, szkindly.cn, mgdu.cn and nanpufood.com.cn.
Host names with two IP numbers: dm2.longmingdns.com points to 183.253.57.197 and 211.99.99.56.
Host names with one IP number: dm1.longmingdns.com points to 218.98.111.163.