cat - dns.ninja
cat
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | anyc1.irondns.net ⭐ | ||||||
| A | 2a01:5b0:4::4🇩🇪 KNIPPWORLDWIDE2a01:5b0:4::/48 | ||||||
| PTR | anyc1.irondns.net | ||||||
| A | 195.253.64.4🇩🇪 KNIPPWORLDWIDE195.253.64.0/24 | ||||||
| PTR | anyc1.irondns.net | ||||||
| NS | cat.ns.nic.es | ||||||
| A | 2001:67c:21cc:2000::64:47🇪🇸 RED-ES-AS2001:67c:21cc::/48 Entidad publica empresarial RED.ES | ||||||
| A | 194.69.254.15🇪🇸 RED-ES-AS194.69.254.0/24 Entidad Publica Empresarial Red.es | ||||||
| NS | cat.pch.net | ||||||
| A | 2001:500:14:6020:ad::1🇺🇸 UNSPECIFIED2001:500:14::/48 PCH v6 block for DNS Anycast | ||||||
| A | 204.61.216.20🇺🇸 UNSPECIFIED204.61.216.0/23 Packet Clearing House | ||||||
| PTR | cat.pch.net | ||||||
| NS | nsc.nic.de | ||||||
| A | 2001:678:e:110::53🇩🇪 DENIC-ANYCAST-AS2001:678:e::/48 DENIC eG anycast prefix | ||||||
| PTR | nsc.nic.de | ||||||
| A | 194.0.11.110🇩🇪 DENIC-ANYCAST-AS194.0.11.0/24 DENIC eG 9.4.e164.arpa anycast prefix | ||||||
| PTR | nsc.nic.de | ||||||
| NS | switch.nic.cat | ||||||
| A | 2001:620:0:ff::2f🇨🇭 Switch2001:620::/32 SWITCH, The Swiss Education & Research Network | ||||||
| PTR | ns2.switch.ch | ||||||
| A | 130.59.31.29🇨🇭 Switch130.59.0.0/16 SWITCH-LAN | ||||||
| PTR | ns2.switch.ch | ||||||
| SOA | anyc1.irondns.netdnsmaster@corenic.org serial=2607182140 | ||||||
(root)
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.root-servers.net ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | c.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | d.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | e.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | f.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | g.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | h.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | i.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | j.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | k.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | l.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | m.root-servers.net ⚠️ Not in parent delegation | ||||||
| SOA | a.root-servers.netnstld@verisign-grs.com 2026-07-18 #1 | ||||||
Subdomains
Same first word
Similar names
DNS History
9 records (5 active, 4 former)
●NSanyc1.irondns.net2015-09-01 → 2026-07-18 · 2 obs
● 2026-07-18 21:47:48
●NScat.ns.nic.es2026-02-15 → 2026-07-18 · 3 obs
● 2026-02-15 18:37:12
● 2026-07-18 21:47:48
○NSdnsc.ad2015-09-01 → 2016-05-31 · 4 obs
● 2016-05-31 09:39:04
○ 2016-06-01 09:43:24
○ 2026-07-18 21:47:48
○NSns.nic.cat2015-09-01 → 2021-12-29 · 4 obs
● 2021-12-29 16:27:58
○ 2026-02-15 18:37:12
○ 2026-07-18 21:47:48
○NSns1.nic.es2015-09-01 → 2021-12-29 · 4 obs
● 2021-12-29 16:27:58
○ 2026-02-15 18:37:12
○ 2026-07-18 21:47:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cat | cat.ns.nic.es, switch.nic.cat, nsc.nic.de, cat.pch.net... | 10 records |
✅ Authoritative Response
Server:194.69.254.15
NS records: cat.ns.nic.es, switch.nic.cat, nsc.nic.de, cat.pch.net, anyc1.irondns.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 537ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 5 | nsc.nic.de, cat.ns.nic.es... |
| SOA | 1 | anyc1.irondns.net dnsmaster.corenic.org |
📌 Glue Records Collected
Total: 10
In-bailiwick: 2 (switch.nic.cat, switch.nic.cat)
Out-of-bailiwick: 8 (cat.ns.nic.es, cat.ns.nic.es, nsc.nic.de...)
Analysis
Hierarchy
obrintvia.cat, cesac.cat, flo.cat, agendaens.cat and cantabrico.cat are among the tens of thousands of host names that fall under the parent domain cat.
Name Servers
The authoritative name servers for cat are switch.nic.cat, nsc.nic.de, anyc1.irondns.net and two others.
These name servers frequently co-occur with the name servers cat.pch.net and cat.ns.nic.es.
Hosts with two IP numbers each:
switch.nic.cat maps to two IP addresses — 130.59.31.29 and 2001:620:0:ff::2f.
nsc.nic.de maps to two IP addresses — 194.0.11.110 and 2001:678:e:110::53.
anyc1.irondns.net maps to two IP addresses — 195.253.64.4 and 2a01:5b0:4::4.
cat.pch.net maps to two IP addresses — 204.61.216.20 and 2001:500:14:6020:ad::1.
cat.ns.nic.es maps to two IP addresses — 194.69.254.15 and 2001:67c:21cc:2000::64:47.