bdk.com.cn - robtex.com
bdk.com.cn
com.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.dns.cn ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | c.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | cns.cernet.net ⚠️ Not in parent delegation | ||||||
| NS | d.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | e.dns.cn ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2030564340 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSpdns1.ultradns.net2026-05-11 → 2026-05-12 · 2 obs
● 2026-05-12 16:21:14
●NSpdns2.ultradns.net2026-05-11 → 2026-05-12 · 2 obs
● 2026-05-12 16:21:14
●NSpdns3.ultradns.org2026-05-11 → 2026-05-12 · 2 obs
● 2026-05-12 16:21:14
●NSpdns4.ultradns.org2026-05-11 → 2026-05-12 · 2 obs
● 2026-05-12 16:21:14
●NSpdns5.ultradns.info2026-05-11 → 2026-05-12 · 2 obs
● 2026-05-12 16:21:14
●NSpdns6.ultradns.co.uk2026-05-11 → 2026-05-12 · 2 obs
● 2026-05-12 16:21:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| bdk.com.cn | pdns1.ultradns.net, pdns2.ultradns.net, pdns3.ultradns.org, pdns4.ultradns.org... | - |
✅ Authoritative Response
Server:204.74.115.1
NS records: pdns1.ultradns.net, pdns2.ultradns.net, pdns3.ultradns.org, pdns4.ultradns.org, pdns5.ultradns.info, pdns6.ultradns.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bdk.com.cn (unsigned zone)
⏱️ Timing
Total: 1816ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
Name Servers
bdk.com.cn delegates to six name servers: pdns5.ultradns.info, pdns1.ultradns.net, pdns2.ultradns.net, pdns3.ultradns.org, pdns4.ultradns.org and pdns6.ultradns.co.uk.
bdk.com.cn shares name servers with other domains at least partially, for instance 1.a.3.9.0.8.8.e.b.4.5.4.8.0.0.0.0.0.8.2.1.d.7.2.0.0.0.9.0.0.6.2.ip6.arpa, spektrumakademie.de, imhcs.com, beursencongres.nl and trsstaffing.solutions.
These name servers are commonly used with udns1.ultradns.net, udns2.ultradns.net, ns1.netbcp.com, ns2.netbcp.net, dns1.p01.nsone.net and dns2.p01.nsone.net.
Host names with two IP numbers:
pdns5.ultradns.info points to 2610:a1:1016::1 and 204.74.114.1.
pdns1.ultradns.net points to 2001:502:f3ff::1 and 204.74.108.1.
pdns2.ultradns.net points to 2610:a1:1014::1 and 204.74.109.1.
pdns3.ultradns.org points to 2610:a1:1015::1 and 199.7.68.1.
pdns4.ultradns.org points to 2001:502:4612::1 and 199.7.69.1.
pdns6.ultradns.co.uk points to 2610:a1:1017::1 and 204.74.115.1.