duopnt.com.cn - robtex.com
duopnt.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=2030682526 | ||||||
Same first word
Similar names
DNS History
7 records (7 active, 0 former)
●NSpdns1.ultradns.net2026-06-17 → 2026-07-13 · 2 obs
● 2026-07-13 01:14:34
●NSpdns2.ultradns.net2026-06-17 → 2026-07-13 · 2 obs
● 2026-07-13 01:14:34
●NSpdns3.ultradns.org2026-06-17 → 2026-07-13 · 2 obs
● 2026-07-13 01:14:34
●NSpdns4.ultradns.org2026-06-17 → 2026-07-13 · 2 obs
● 2026-07-13 01:14:34
●NSpdns5.ultradns.info2026-06-17 → 2026-07-13 · 2 obs
● 2026-07-13 01:14:34
●NSpdns6.ultradns.co.uk2026-06-17 → 2026-07-13 · 2 obs
● 2026-07-13 01:14:34
●A204.74.99.1002026-06-17 → 2026-07-13 · 2 obs
● 2026-07-13 01:14:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| duopnt.com.cn | pdns1.ultradns.net, pdns2.ultradns.net, pdns3.ultradns.org, pdns4.ultradns.org... | - |
✅ Authoritative Response
Server:204.74.108.1
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 duopnt.com.cn (unsigned zone)
⏱️ Timing
Total: 1186ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 204.74.99.100 |
| NS | 6 | pdns1.ultradns.net, pdns2.ultradns.net... |
| SOA | 1 | pdns1.ultradns.net contact.usa.dupont.co |
Analysis
IP Addresses
duopnt.com.cn resolves to one IP address: 204.74.99.100.
hypalon.mobi, dupont.com.kg, kaladex.mobi and two other host names share IP numbers with duopnt.com.cn.
Name Servers
duopnt.com.cn is delegated to 6 name servers: pdns5.ultradns.info, pdns1.ultradns.net, pdns2.ultradns.net and 3 other.
duopnt.com.cn has at least partial name server overlap with other domains, such as 100.12.16.in-addr.arpa, trscraftservices.com, vancouvertelevision.com and two others.
pdns3.ultradns.org, pdns4.ultradns.org and pdns6.ultradns.co.uk — plus 4 other name servers — are commonly paired with these name servers.
Hostnames that resolve to two IP addresses:
pdns5.ultradns.info points to 204.74.114.1 and 2610:a1:1016::1.
pdns1.ultradns.net points to 204.74.108.1 and 2001:502:f3ff::1.
pdns2.ultradns.net points to 204.74.109.1 and 2610:a1:1014::1.
pdns3.ultradns.org points to 199.7.68.1 and 2610:a1:1015::1.
pdns4.ultradns.org points to 199.7.69.1 and 2001:502:4612::1.
pdns6.ultradns.co.uk points to 204.74.115.1 and 2610:a1:1017::1.