topicad.cn - robtex.com
topicad.cn
cn
| DNSSEC | ⚠️ Not signed | ||||||
| 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=2034456417 | ||||||
Same first word
topicad.cn |
Similar names
DNS History
4 records (4 active, 0 former)
●NSdns10.hichina.com2018-05-13 → 2026-02-21 · 2 obs
● 2026-02-21 21:06:06
●NSdns9.hichina.com2018-05-13 → 2026-02-21 · 2 obs
● 2026-02-21 21:06:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| topicad.cn | dns9.hichina.com, dns10.hichina.com | - |
✅ Authoritative Response
Server: 139.224.142.122
NS records: dns9.hichina.com, dns10.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for topicad.cn (unsigned zone)
⏱️ Timing
Total: 1739ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns9.hichina.com, dns10.hichina.com |
| MX | 2 | mxbiz2.qq.com (pri: 10), mxbiz1.qq.com (pri: 5) |
| TXT | 1 | v=spf1 include:spf.mail.qq.com ~all |
| SOA | 1 | dns9.hichina.com hostmaster.hichina.com |
AI analysis
topicad.cn's delegation is to two name servers dns10.hichina.com and dns9.hichina.com.
topicad.cn shares the same name server configuration as other domains, such as egolm.com, datamesh.store, hnzlkj.com.cn, 090500.com and xiker.net.
topicad.cn at least partially shares its name servers with other domains, for instance vicgao.com, ordosvc.cn, gch.photo, changxianghui.com and palyw.com.
these name servers are commonly used together with expirens3.hichina.com, expirens4.hichina.com, ns1.alidns.com and ns2.alidns.com.
Host names with nine IP numbers: dns10.hichina.com points to 2408:4009:501::18, 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; dns9.hichina.com points to 2408:4009:501::17, 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.
Two mail servers mxbiz1.qq.com and mxbiz2.qq.com handle topicad.cn.
topicad.cn uses the same mail server setup as other domains such as rs-csc.com, macimg.com, st-gas.com, gdcert.com.cn and piastudy.com.
topicad.cn shares some mail servers with other domains, including lis99.com, emaxtek.com, sczygj.com, wholesale-china.cn and egsw.cn.
Host names with two IP numbers:
mxbiz1.qq.com points to 203.205.147.218 and 203.205.232.191.
Host names with one IP number:
mxbiz2.qq.com points to 203.205.232.191.
Host names that point to 203.205.232.191: