zzclass.com - robtex.com
zzclass.com
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
DNS History
5 records (3 active, 2 former)
●NSdns15.hichina.com2026-02-18 → 2026-02-24 · 3 obs
● 2026-02-18 13:55:32
● 2026-02-24 16:47:48
●NSdns16.hichina.com2026-02-18 → 2026-02-24 · 3 obs
● 2026-02-18 13:55:32
● 2026-02-24 16:47:48
○NSns1.sfn.cn2015-06-04 → 2017-06-19 · 4 obs
● 2017-06-19 08:46:32
○ 2026-02-18 13:55:32
○ 2026-02-24 16:47:48
○NSns2.sfn.cn2015-06-04 → 2017-06-19 · 4 obs
● 2017-06-19 08:46:32
○ 2026-02-18 13:55:32
○ 2026-02-24 16:47:48
●A203.107.36.372026-02-18 → 2026-02-24 · 2 obs
● 2026-02-24 16:47:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| zzclass.com | dns15.hichina.com, dns16.hichina.com | - |
✅ Authoritative Response
Server: 2408:4009:501::23
NS records: dns15.hichina.com, dns16.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for zzclass.com (unsigned zone)
⏱️ Timing
Total: 2526ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 203.107.36.37 |
| NS | 2 | dns16.hichina.com, dns15.hichina.com |
| TXT | 2 | globalsign-domain-verification=up2-UJtkh, globalsign-domain-verification=i3wfNh_4V |
| SOA | 1 | dns15.hichina.com hostmaster.hichina.com |
AI analysis
zzclass.com resolves to a single IP: 203.107.36.37.
Other host names, for instance, xiezuoye.com, zhixue.com, api.zhixue.com and www.zhixue.com share IP numbers with zzclass.com.
zzclass.com has two name servers: dns15.hichina.com and dns16.hichina.com.
zzclass.com shares the same name server setup as other domains, for example a-xindao.com, ieasun.com.cn, gamuster.com, adld.cn and cctvmz.com.
zzclass.com shares some name servers with other domains, for example caasbuy.com, sjzad.cn, ldfjj.com, hellolan.com and tuokez.com.
These name servers are commonly used together with expirens3.hichina.com and expirens4.hichina.com.
Host names with nine IP numbers:
dns15.hichina.com points to 2408:4009:501::23, 39.96.153.42, 39.96.153.52, 47.118.199.202, 47.118.199.212, 120.76.107.42, 120.76.107.52, 139.224.142.112 and 139.224.142.122.
dns16.hichina.com points to 2408:4009:501::24, 39.96.153.41, 39.96.153.51, 47.118.199.201, 47.118.199.211, 120.76.107.41, 120.76.107.51, 139.224.142.111 and 139.224.142.121.