1rtb.cn - robtex.com
1rtb.cn
| CNAME | 1rtb.cn.dns.1rtb.com | ||||||
| CNAME | dns.1rtb.com | ||||||
| CNAME | web-svr.1rtb.com | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 106.75.39.28🇨🇳 CHINA169-BJ106.75.32.0/19 China Telecom Beijing Co. Ltd. | ||||||
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=2034713501 | ||||||
Subdomains
Same first word
Similar names
DNS History
3 records (3 active, 0 former)
●NSbasin.dnspod.net2026-03-23 → 2026-04-26 · 2 obs
● 2026-03-23 11:12:22
● 2026-04-26 06:57:06
● 2026-04-26 06:57:06
●NSboss.dnspod.net2026-03-23 → 2026-04-26 · 2 obs
● 2026-03-23 11:12:22
● 2026-04-26 06:57:06
● 2026-04-26 06:57:06
●CNAME1rtb.cn.dns.1rtb.com2026-03-23 → 2026-04-26 · 2 obs
● 2026-03-23 11:12:22
● 2026-04-26 06:57:06
● 2026-04-26 06:57:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn... | - |
| 1rtb.cn | boss.dnspod.net, basin.dnspod.net | - |
✅ Authoritative Response
Server:1.12.0.1
NS records: boss.dnspod.net, basin.dnspod.net
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at cn: Error: DNS query timeout: 203.119.29.1 for DNSKEY cn
⏱️ Timing
Total: 3726ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | basin.dnspod.net, boss.dnspod.net |
| CNAME | 1 | 1rtb.cn.dns.1rtb.com |
| SOA | 1 | basin.dnspod.net freednsadmin.dnspod.com |
Analysis
Hierarchy
1rtb.cn is a parent of www.1rtb.cn and adn.1rtb.cn.
IP Addresses
1rtb.cn resolves to one IP number: 106.75.39.28.
Other host names, for instance web-svr.1rtb.com, adx-svr.1rtb.com and admate.cn share IP numbers with 1rtb.cn.