duppnt.cn - robtex.com
duppnt.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=2034630809 | ||||||
Same first word
duppnt.cn |
Similar names
DNS History
7 records (7 active, 0 former)
●NSpdns1.ultradns.net2015-08-15 → 2026-04-04 · 2 obs
● 2026-04-04 01:19:22
●NSpdns2.ultradns.net2015-08-15 → 2026-04-04 · 2 obs
● 2026-04-04 01:19:22
●NSpdns3.ultradns.org2015-08-15 → 2026-04-04 · 2 obs
● 2026-04-04 01:19:22
●NSpdns4.ultradns.org2015-08-15 → 2026-04-04 · 2 obs
● 2026-04-04 01:19:22
●NSpdns5.ultradns.info2015-08-15 → 2026-04-04 · 2 obs
● 2026-04-04 01:19:22
●NSpdns6.ultradns.co.uk2015-08-15 → 2026-04-04 · 2 obs
● 2026-04-04 01:19:22
●A204.74.99.1002015-08-15 → 2026-04-04 · 2 obs
● 2026-04-04 01:19:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | c.dns.cn, a.dns.cn, b.dns.cn, e.dns.cn... | - |
| duppnt.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 duppnt.cn (unsigned zone)
⏱️ Timing
Total: 778ms | 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
duppnt.cn points to a single IP address: 204.74.99.100.
Other host names such as localexpert.kr, thefiveandahalfrulesofsmarterinvesting.com, pubeasy.mcgraw-hill.com, *.comic.com and bostonchannel.com share IPs with duppnt.cn.
Name Servers
duppnt.cn is delegated to six name servers: pdns5.ultradns.info, pdns1.ultradns.net, pdns2.ultradns.net, pdns3.ultradns.org, pdns4.ultradns.org and pdns6.ultradns.co.uk.
duppnt.cn at least partially shares name servers with other domains, for example tradebook.com, manthroplogie.com, bluelemondesigns.com, expediamarket.com and arrayscan.com.
these name servers are commonly used with the following name servers: udns1.ultradns.net, udns2.ultradns.net, dns1.p01.nsone.net, dns2.p01.nsone.net, dns3.p01.nsone.net, dns4.p01.nsone.net, a1-76.akam.net, a28-67.akam.net, a3-66.akam.net and a4-64.akam.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