fidelcastrolibrary.com - robtex.com
fidelcastrolibrary.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | udns1.ultradns.net ⚠️ Not in zone NS records | ||||||
| A | 2001:502:f3ff::d🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar | ||||||
| PTR | udns1.ultradns.net | ||||||
| A | 204.69.234.1🇺🇸 MAINT-ID-12008204.69.234.0/24 Neustar | ||||||
| PTR | udns1.ultradns.net | ||||||
| NS | udns2.ultradns.net ⚠️ Not in zone NS records | ||||||
| A | 2610:a1:1014::d🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar | ||||||
| PTR | udns2.ultradns.net | ||||||
| A | 204.74.101.1🇺🇸 MAINT-ID-12008204.74.101.0/24 Neustar | ||||||
| PTR | udns2.ultradns.net | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1776038332 | ||||||
Same first word
fidelcastrolibrary.com |
DNS History
2 records (2 active, 0 former)
●NSudns1.ultradns.net2026-02-19 → 2026-04-13 · 2 obs
● 2026-04-13 00:27:32
●NSudns2.ultradns.net2026-02-19 → 2026-04-13 · 2 obs
● 2026-04-13 00:27:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net, b.gtld-servers.net... | - |
| fidelcastrolibrary.com | udns1.ultradns.net, udns2.ultradns.net | - |
✅ Authoritative Response
Server:204.74.101.1
NS records: udns1.ultradns.net, udns2.ultradns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for fidelcastrolibrary.com (unsigned zone)
⏱️ Timing
Total: 395ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
Name Servers
Two name servers udns1.ultradns.net and udns2.ultradns.net handle delegation for fidelcastrolibrary.com.
fidelcastrolibrary.com uses the same name server setup as other domains, for example vacationexpress.org, mygreendotmobile.com, moviegifs.com, phx.vostrom.net and propaypayments.com.
fidelcastrolibrary.com partially shares name servers with other domains; examples include redoakchryslerdodgejeep.com, imation.com.mx, karlklementdodge.com, fernandinabeachfl.org and proimbd.com.
These name servers are often used with pdns5.ultradns.info, pdns1.ultradns.net, pdns2.ultradns.net, pdns3.ultradns.org, pdns4.ultradns.org, pdns6.ultradns.co.uk, ns1.dealer.com and ns2.dealer.com.
Host names with two IP numbers:
udns1.ultradns.net points to: 2001:502:f3ff::d and 204.69.234.1
udns2.ultradns.net points to: 2610:a1:1014::d and 204.74.101.1