expedia.sd.cn - robtex.com
expedia.sd.cn
sd.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=2027240670 | ||||||
Same first word
Similar names
DNS History
7 records (7 active, 0 former)
●NSpdns1.ultradns.net2026-07-31 → 2026-08-02 · 2 obs
● 2026-08-02 10:55:44
●NSpdns2.ultradns.net2026-07-31 → 2026-08-02 · 2 obs
● 2026-08-02 10:55:44
●NSpdns3.ultradns.org2026-07-31 → 2026-08-02 · 2 obs
● 2026-08-02 10:55:44
●NSpdns4.ultradns.org2026-07-31 → 2026-08-02 · 2 obs
● 2026-08-02 10:55:44
●NSpdns5.ultradns.info2026-07-31 → 2026-08-02 · 2 obs
● 2026-08-02 10:55:44
●NSpdns6.ultradns.co.uk2026-07-31 → 2026-08-02 · 2 obs
● 2026-08-02 10:55:44
●A204.74.99.1002026-07-31 → 2026-08-02 · 2 obs
● 2026-08-02 10:55:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn... | - |
| expedia.sd.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
❌ Bogus (DNSSEC validation failed)
Validation error at expedia.sd.cn: Error: DNS query timeout: 203.119.29.1 for DS expedia.sd.cn
⏱️ Timing
Total: 3713ms | 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 domains.expediagroup. |
Analysis
IP Addresses
expedia.sd.cn resolves to just one IP address, 204.74.99.100.
Two other host names, along with psaa.clubspaces.com, hprx.info and jessiaclondon.com, also share IP numbers with expedia.sd.cn.
Name Servers
expedia.sd.cn has 6 name servers — pdns5.ultradns.info, pdns1.ultradns.net, pdns2.ultradns.net and 3 others.
There is at least partial name server overlap between expedia.sd.cn and other domains — thermoscintag.com, dupont.si, expdedia.com.ar and two more among them.
These name servers regularly appear alongside pdns3.ultradns.org, pdns4.ultradns.org, pdns6.ultradns.co.uk and 4 other name servers in NS record sets.
Host names that have two IP addresses:
pdns5.ultradns.info resolves to 204.74.114.1 and 2610:a1:1016::1.
pdns1.ultradns.net resolves to 204.74.108.1 and 2001:502:f3ff::1.
pdns2.ultradns.net resolves to 204.74.109.1 and 2610:a1:1014::1.
pdns3.ultradns.org resolves to 199.7.68.1 and 2610:a1:1015::1.
pdns4.ultradns.org resolves to 199.7.69.1 and 2001:502:4612::1.
pdns6.ultradns.co.uk resolves to 204.74.115.1 and 2610:a1:1017::1.