91works.cn - robtex.com
91works.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 156.251.135.104🇺🇸 CNSERVERSLLC156.251.128.0/21 CenturyNetworks LTD | ||||||
| NS | ns1.sharesdns.com ⭐ | ||||||
| A | 154.23.191.194🇺🇸 HKCICL-AS-AP154.23.191.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| A | 154.86.21.194🇭🇰 HKCICL-AS-AP154.86.21.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| NS | ns2.sharesdns.com | ||||||
| A | 154.23.191.195🇺🇸 HKCICL-AS-AP154.23.191.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| A | 154.86.21.195🇭🇰 HKCICL-AS-AP154.86.21.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| SOA | ns1.sharesdns.comadmin@sharesdns.com serial=1775115166 | ||||||
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=2034705205 | ||||||
Same first word
91works.cn |
DNS History
3 records (3 active, 0 former)
●NSns1.sharesdns.com2026-04-14 → 2026-04-24 · 2 obs
● 2026-04-14 07:31:52
● 2026-04-24 03:20:56
● 2026-04-24 03:20:56
●NSns2.sharesdns.com2026-04-14 → 2026-04-24 · 2 obs
● 2026-04-14 07:31:52
● 2026-04-24 03:20:56
● 2026-04-24 03:20:56
●A156.251.135.1042026-04-14 → 2026-04-24 · 2 obs
● 2026-04-14 07:31:52
● 2026-04-24 03:20:56
● 2026-04-24 03:20:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn... | - |
| 91works.cn | ns1.sharesdns.com, ns2.sharesdns.com | - |
✅ Authoritative Response
Server:154.86.21.195
NS records: ns1.sharesdns.com, ns2.sharesdns.com
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at cn: Error: DNS query timeout: 203.119.29.1 for DNSKEY cn
⏱️ Timing
Total: 4505ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 156.251.135.104 |
| NS | 2 | ns1.sharesdns.com, ns2.sharesdns.com |
| SOA | 1 | ns1.sharesdns.com admin.sharesdns.com |
Analysis
IP Addresses
91works.cn resolves to one IP number: 156.251.135.104.
Name Servers
91works.cn's delegation uses two name servers: ns1.sharesdns.com and ns2.sharesdns.com.
91works.cn uses the same name server setup as other domains, such as hangowa.com, juxinfangshui.com, heliaoyixuewang.com, wuyoufuwu.com and cnibii.com.
Host names with two IPs:
ns1.sharesdns.com points to 154.23.191.194 and 154.86.21.194
ns2.sharesdns.com points to 154.23.191.195 and 154.86.21.195