expedia.is - robtex.com
expedia.is
| DNSSEC | ⚠️ Not signed | ||||||
| A | 204.74.99.100🇺🇸 MAINT-ID-12008204.74.99.0/24 Neustar | ||||||
| PTR | crs.ultradns.net | ||||||
| NS | pdns1.ultradns.net ⭐ | ||||||
| A | 2001:502:f3ff::1🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar | ||||||
| PTR | pdns1.ultradns.net | ||||||
| A | 204.74.108.1🇺🇸 MAINT-ID-12008204.74.108.0/24 Neustar | ||||||
| PTR | pdns1.ultradns.net | ||||||
| NS | pdns2.ultradns.net | ||||||
| A | 2610:a1:1014::1🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar | ||||||
| PTR | pdns2.ultradns.net | ||||||
| A | 204.74.109.1🇺🇸 MAINT-ID-12008204.74.109.0/24 Neustar | ||||||
| PTR | pdns2.ultradns.net | ||||||
| NS | pdns3.ultradns.org | ||||||
| A | 2610:a1:1015::1🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar | ||||||
| PTR | pdns3.ultradns.org | ||||||
| A | 199.7.68.1🇺🇸 MAINT-ID-12008199.7.68.0/24 Neustar | ||||||
| PTR | pdns3.ultradns.org | ||||||
| NS | pdns4.ultradns.org | ||||||
| A | 2001:502:4612::1🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar | ||||||
| PTR | pdns4.ultradns.org | ||||||
| A | 199.7.69.1🇺🇸 MAINT-ID-12008199.7.69.0/24 Neustar | ||||||
| PTR | pdns4.ultradns.org | ||||||
| SOA | pdns1.ultradns.netdomains@expediagroup.com 2012-12-11 #32 | ||||||
is
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.nic.is ⭐ | ||||||
| NS | c.nic.is | ||||||
| NS | d.nic.is | ||||||
| NS | e.nic.is | ||||||
| NS | f.nic.is | ||||||
| SOA | a.nic.ishostmaster@isnic.is serial=1775117402 | ||||||
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSpdns1.ultradns.net2026-04-01 → 2026-04-02 · 2 obs
● 2026-04-02 08:32:36
●NSpdns2.ultradns.net2026-04-01 → 2026-04-02 · 2 obs
● 2026-04-02 08:32:36
●NSpdns3.ultradns.org2026-04-01 → 2026-04-02 · 2 obs
● 2026-04-02 08:32:36
●NSpdns4.ultradns.org2026-04-01 → 2026-04-02 · 2 obs
● 2026-04-02 08:32:36
●A204.74.99.1002026-04-01 → 2026-04-02 · 2 obs
● 2026-04-02 08:32:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| is | a.nic.is, c.nic.is, d.nic.is, e.nic.is... | 10 records |
| expedia.is | 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
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for expedia.is (unsigned zone)
⏱️ Timing
Total: 927ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 204.74.99.100 |
| NS | 4 | pdns1.ultradns.net, pdns2.ultradns.net... |
| SOA | 1 | pdns1.ultradns.net domains.expediagroup. |
📌 Glue Records Collected
Total: 10
In-bailiwick: 10 (a.nic.is, c.nic.is, d.nic.is...)
Analysis
IP Addresses
expedia.is resolves to a single IP: 204.74.99.100.
Other host names, for instance www.pay4lunch.com, agriavetcare.co.uk, balanceca.com, general-electric.info and www.delhaizewineworld.com share IP numbers with expedia.is.
Name Servers
expedia.is is delegated to four name servers: pdns1.ultradns.net, pdns2.ultradns.net, pdns3.ultradns.org and pdns4.ultradns.org.
expedia.is shares some name servers with other domains, for example lasrocaswines.com, inscienceonline.us, bloombergnews.co.uk, fluorcorporation.com.cn and tyvek.fi.
these name servers are often used with pdns5.ultradns.info, pdns6.ultradns.co.uk, udns1.ultradns.net, udns2.ultradns.net, x1.amazonaws.com, x2.amazonaws.com, x3.amazonaws.org, x4.amazonaws.org, dns1.p01.nsone.net and dns2.p01.nsone.net.
Host names with two IP numbers
Two IPs per host:
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