opta.cn - robtex.com
opta.cn
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=2034998282 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSdns1.comlaude-dns.com2026-05-29 → 2026-07-03 · 2 obs
● 2026-07-03 12:44:22
●NSdns2.comlaude-dns.net2026-05-29 → 2026-07-03 · 2 obs
● 2026-07-03 12:44:22
●NSdns3.comlaude-dns.co.uk2026-05-29 → 2026-07-03 · 2 obs
● 2026-07-03 12:44:22
●NSdns4.comlaude-dns.eu2026-05-29 → 2026-07-03 · 2 obs
● 2026-07-03 12:44:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| opta.cn | dns1.comlaude-dns.com, dns2.comlaude-dns.net, dns3.comlaude-dns.co.uk, dns4.comlaude-dns.eu | - |
✅ Authoritative Response
Server:198.51.44.11
NS records: dns1.comlaude-dns.com, dns2.comlaude-dns.net, dns3.comlaude-dns.co.uk, dns4.comlaude-dns.eu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for opta.cn (unsigned zone)
⏱️ Timing
Total: 962ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | dns1.comlaude-dns.com, dns2.comlaude-dns.net... |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | dns1.comlaude-dns.com dnstech.comlaude.c |
Analysis
Name Servers
The domain opta.cn is delegated to these four name servers: dns1.comlaude-dns.com, dns4.comlaude-dns.eu, dns2.comlaude-dns.net and dns3.comlaude-dns.co.uk.
At least some of opta.cn's name servers are shared with other domains, for example agentprovocateur.com, brancottestate.se, mgmwesternmass.com and two more.
It is common for these name servers to be used in conjunction with the name servers nssui.comlaude.ch, nsusa.comlaude.net and nsgbr.comlaude.co.uk.
Four hostnames, each resolving to a pair of IP addresses: dns1.comlaude-dns.com directs to 198.51.44.11 and 2620:4d:4000:6259:7:11:0:1; dns4.comlaude-dns.eu directs to 198.51.45.75 and 2a00:edc0:6259:7:11::4; dns2.comlaude-dns.net directs to 198.51.45.11 and 2a00:edc0:6259:7:11::2; dns3.comlaude-dns.co.uk directs to 198.51.44.75 and 2620:4d:4000:6259:7:11:0:3.