oupcn.com - robtex.com
oupcn.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-1203.awsdns-22.org ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5304:b300::1🇺🇸 Amazon2600:9000:5304::/48 - CloudFront | ||||||
| PTR | ns-1203.awsdns-22.org | ||||||
| A | 205.251.196.179🇺🇸 Amazon205.251.196.0/24 prefix | ||||||
| PTR | ns-1203.awsdns-22.org | ||||||
| NS | ns-1860.awsdns-40.co.uk ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5307:4400::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront | ||||||
| PTR | ns-1860.awsdns-40.co.uk | ||||||
| A | 205.251.199.68🇺🇸 Amazon205.251.199.0/24 prefix | ||||||
| PTR | ns-1860.awsdns-40.co.uk | ||||||
| NS | ns-421.awsdns-52.com ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5301:a500::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront | ||||||
| PTR | ns-421.awsdns-52.com | ||||||
| A | 205.251.193.165🇺🇸 Amazon205.251.193.0/24 prefix | ||||||
| PTR | ns-421.awsdns-52.com | ||||||
| NS | ns-789.awsdns-34.net ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5303:1500::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront | ||||||
| PTR | ns-789.awsdns-34.net | ||||||
| A | 205.251.195.21🇺🇸 Amazon205.251.195.0/24 prefix | ||||||
| PTR | ns-789.awsdns-34.net | ||||||
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=1785323052 | ||||||
Same first word
oupcn.com |
Similar names
DNS History
4 records (4 active, 0 former)
●NSns-1203.awsdns-22.org2026-04-03 → 2026-07-29 · 2 obs
● 2026-07-29 11:11:20
●NSns-1860.awsdns-40.co.uk2026-04-03 → 2026-07-29 · 2 obs
● 2026-07-29 11:11:20
●NSns-421.awsdns-52.com2026-04-03 → 2026-07-29 · 2 obs
● 2026-07-29 11:11:20
●NSns-789.awsdns-34.net2026-04-03 → 2026-07-29 · 2 obs
● 2026-07-29 11:11:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| oupcn.com | ns-421.awsdns-52.com, ns-789.awsdns-34.net, ns-1203.awsdns-22.org, ns-1860.awsdns-40.co.uk | 2 records |
✅ Authoritative Response
Server:205.251.199.68
NS records: ns-421.awsdns-52.com, ns-789.awsdns-34.net, ns-1203.awsdns-22.org, ns-1860.awsdns-40.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for oupcn.com (unsigned zone)
⏱️ Timing
Total: 442ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns-421.awsdns-52.com, ns-421.awsdns-52.com)
Analysis
Name Servers
Four name servers handle the delegation for oupcn.com: ns-421.awsdns-52.com, ns-789.awsdns-34.net, ns-1203.awsdns-22.org and ns-1860.awsdns-40.co.uk.
oupcn.com partially shares its NS delegation with several other domains, including pricerunner.se, andycaola.com, ipnsfax.com and two others.
These name servers regularly co-occur with the name servers ns-293.awsdns-36.com, ns-1418.awsdns-49.org and ns-1947.awsdns-51.co.uk.
ns-421.awsdns-52.com, ns-789.awsdns-34.net, ns-1203.awsdns-22.org and ns-1860.awsdns-40.co.uk each carry two IP addresses. ns-421.awsdns-52.com has 205.251.193.165 and 2600:9000:5301:a500::1; ns-789.awsdns-34.net has 205.251.195.21 and 2600:9000:5303:1500::1; ns-1203.awsdns-22.org has 205.251.196.179 and 2600:9000:5304:b300::1; ns-1860.awsdns-40.co.uk has 205.251.199.68 and 2600:9000:5307:4400::1.