proptrack.cn - robtex.com
proptrack.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | pdns221.ultradns.com ⭐ | ||||||
| A | 2001:502:f3ff::101🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar | ||||||
| PTR | pdns221.ultradns.com | ||||||
| A | 156.154.64.221🇺🇸 MAINT-ID-12008156.154.64.0/24 Neustar | ||||||
| PTR | pdns221.ultradns.com | ||||||
| NS | pdns221.ultradns.biz | ||||||
| A | 2610:a1:1015::101🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar | ||||||
| PTR | pdns221.ultradns.biz | ||||||
| A | 156.154.66.221🇺🇸 MAINT-ID-12008156.154.66.0/24 Neustar | ||||||
| PTR | pdns221.ultradns.biz | ||||||
| NS | pdns221.ultradns.net | ||||||
| A | 2610:a1:1014::101🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar | ||||||
| PTR | pdns221.ultradns.net | ||||||
| A | 156.154.65.221🇺🇸 MAINT-ID-12008156.154.65.0/24 Neustar | ||||||
| PTR | pdns221.ultradns.net | ||||||
| NS | pdns221.ultradns.org | ||||||
| A | 2001:502:4612::101🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar | ||||||
| PTR | pdns221.ultradns.org | ||||||
| A | 156.154.67.221🇺🇸 MAINT-ID-12008156.154.67.0/24 Neustar | ||||||
| PTR | pdns221.ultradns.org | ||||||
| SOA | pdns221.ultradns.compatrick\@carroll.rea-group.com 2026-03-01 #1 | ||||||
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=2034620759 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSpdns221.ultradns.biz2026-03-31 → 2026-04-01 · 2 obs
● 2026-04-01 11:19:28
●NSpdns221.ultradns.com2026-03-31 → 2026-04-01 · 2 obs
● 2026-04-01 11:19:28
●NSpdns221.ultradns.net2026-03-31 → 2026-04-01 · 2 obs
● 2026-04-01 11:19:28
●NSpdns221.ultradns.org2026-03-31 → 2026-04-01 · 2 obs
● 2026-04-01 11:19:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn... | - |
| proptrack.cn | pdns221.ultradns.biz, pdns221.ultradns.com, pdns221.ultradns.net, pdns221.ultradns.org | - |
✅ Authoritative Response
Server:156.154.66.221
NS records: pdns221.ultradns.biz, pdns221.ultradns.com, pdns221.ultradns.net, pdns221.ultradns.org
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at cn: Error: DNS query timeout: 203.119.29.1 for DNSKEY cn
⏱️ Timing
Total: 3920ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | pdns221.ultradns.biz, pdns221.ultradns.com... |
| SOA | 1 | pdns221.ultradns.com patrick\.carroll.re |
Analysis
Name Servers
proptrack.cn is delegated to four name servers: pdns221.ultradns.biz, pdns221.ultradns.com, pdns221.ultradns.net and pdns221.ultradns.org.
proptrack.cn at least partially shares name servers with other domains, for instance propvaluation.com.au, flats.com.au, reakestate.com.au, multiload.com.au and builderleads.com.au.
Host names with two IP numbers:
pdns221.ultradns.biz points to 2610:a1:1015::101 and 156.154.66.221; pdns221.ultradns.com points to 2001:502:f3ff::101 and 156.154.64.221; pdns221.ultradns.net points to 2610:a1:1014::101 and 156.154.65.221; pdns221.ultradns.org points to 2001:502:4612::101 and 156.154.67.221.