advai.cn - robtex.com
advai.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 47.95.71.79🇨🇳 Alibaba-Cloud47.94.0.0/15 CT BeiJing IDC | ||||||
| NS | ns-1151.awsdns-15.org ⭐ | ||||||
| A | 2600:9000:5304:7f00::1🇺🇸 Amazon2600:9000:5304::/48 - CloudFront | ||||||
| PTR | ns-1151.awsdns-15.org | ||||||
| A | 205.251.196.127🇺🇸 Amazon205.251.196.0/24 prefix | ||||||
| PTR | ns-1151.awsdns-15.org | ||||||
| NS | ns-1680.awsdns-18.co.uk | ||||||
| A | 2600:9000:5306:9000::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront | ||||||
| PTR | ns-1680.awsdns-18.co.uk | ||||||
| A | 205.251.198.144🇺🇸 Amazon205.251.198.0/24 prefix | ||||||
| PTR | ns-1680.awsdns-18.co.uk | ||||||
| NS | ns-337.awsdns-42.com | ||||||
| A | 2600:9000:5301:5100::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront | ||||||
| PTR | ns-337.awsdns-42.com | ||||||
| A | 205.251.193.81🇺🇸 Amazon205.251.193.0/24 prefix | ||||||
| PTR | ns-337.awsdns-42.com | ||||||
| NS | ns-747.awsdns-29.net | ||||||
| A | 2600:9000:5302:eb00::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront | ||||||
| PTR | ns-747.awsdns-29.net | ||||||
| A | 205.251.194.235🇺🇸 Amazon205.251.194.0/24 prefix | ||||||
| PTR | ns-747.awsdns-29.net | ||||||
| SOA | ns-1151.awsdns-15.orgawsdns-hostmaster@amazon.com serial=1 | ||||||
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=2035058430 | ||||||
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSns-1151.awsdns-15.org2026-07-14 → 2026-07-19 · 2 obs
● 2026-07-19 02:55:18
●NSns-1680.awsdns-18.co.uk2026-07-14 → 2026-07-19 · 2 obs
● 2026-07-19 02:55:18
●NSns-337.awsdns-42.com2026-07-14 → 2026-07-19 · 2 obs
● 2026-07-19 02:55:18
●NSns-747.awsdns-29.net2026-07-14 → 2026-07-19 · 2 obs
● 2026-07-19 02:55:18
●A47.95.71.792026-07-14 → 2026-07-19 · 2 obs
● 2026-07-19 02:55:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| advai.cn | ns-337.awsdns-42.com, ns-747.awsdns-29.net, ns-1151.awsdns-15.org, ns-1680.awsdns-18.co.uk | - |
✅ Authoritative Response
Server:205.251.193.81
NS records: ns-337.awsdns-42.com, ns-747.awsdns-29.net, ns-1151.awsdns-15.org, ns-1680.awsdns-18.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for advai.cn (unsigned zone)
⏱️ Timing
Total: 1491ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 47.95.71.79 |
| NS | 4 | ns-1151.awsdns-15.org, ns-1680.awsdns-18.co.uk... |
| SOA | 1 | ns-1151.awsdns-15.org awsdns-hostmaster. |
Analysis
IP Addresses
advai.cn resolves to just one IP address, 47.95.71.79.
Name Servers
The NS records for advai.cn point to four name servers: ns-337.awsdns-42.com, ns-747.awsdns-29.net, ns-1151.awsdns-15.org and ns-1680.awsdns-18.co.uk.
There is at least partial name server overlap between advai.cn and other domains — 193.39.3.in-addr.arpa, dd360.mx, 205.37.3.in-addr.arpa and two more among them.
These name servers tend to appear in combination with the name servers ns1-24-ap-northeast-2.ec2-rdns.amazonaws.com, ns2-24-ap-northeast-2.ec2-rdns.amazonaws.com, ns3-24-ap-northeast-2.ec2-rdns.amazonaws.com and ns4-24-ap-northeast-2.ec2-rdns.amazonaws.com.
All four hostnames — ns-337.awsdns-42.com, ns-747.awsdns-29.net, ns-1151.awsdns-15.org and ns-1680.awsdns-18.co.uk — resolve to two IP numbers apiece: ns-337.awsdns-42.com to 205.251.193.81 and 2600:9000:5301:5100::1; ns-747.awsdns-29.net to 205.251.194.235 and 2600:9000:5302:eb00::1; ns-1151.awsdns-15.org to 205.251.196.127 and 2600:9000:5304:7f00::1; ns-1680.awsdns-18.co.uk to 205.251.198.144 and 2600:9000:5306:9000::1.