stem.cat - dns.ninja
stem.cat
cat
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | anyc1.irondns.net ⭐ | ||||||
| NS | cat.ns.nic.es | ||||||
| NS | cat.pch.net | ||||||
| NS | nsc.nic.de | ||||||
| NS | switch.nic.cat | ||||||
| SOA | anyc1.irondns.netdnsmaster@corenic.org serial=2608050431 | ||||||
Same first word
Similar names
DNS History
9 records (7 active, 2 former)
●NSns-cloud-b1.googledomains.com2018-05-13 → 2026-08-05 · 2 obs
● 2026-08-05 04:37:48
●NSns-cloud-b2.googledomains.com2018-05-13 → 2026-08-05 · 2 obs
● 2026-08-05 04:37:48
●NSns-cloud-b3.googledomains.com2018-05-13 → 2026-08-05 · 2 obs
● 2026-08-05 04:37:48
●NSns-cloud-b4.googledomains.com2018-05-13 → 2026-08-05 · 2 obs
● 2026-08-05 04:37:48
●MXsmtp-a.formabinari.com2026-02-15 → 2026-08-05 · 3 obs
● 2026-02-15 13:03:42
● 2026-08-05 04:37:48
●MXsmtp-b.formabinari.com2026-02-15 → 2026-08-05 · 3 obs
● 2026-02-15 13:03:42
● 2026-08-05 04:37:48
○MXsmtp6.formabinari.com2018-05-13 → 2018-05-13 · 3 obs
○ 2026-02-15 13:03:42
○ 2026-08-05 04:37:48
●A46.4.4.2232026-02-15 → 2026-08-05 · 3 obs
● 2026-02-15 13:03:42
● 2026-08-05 04:37:48
○A87.106.63.1982018-05-13 → 2018-05-13 · 3 obs
○ 2026-02-15 13:03:42
○ 2026-08-05 04:37:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cat | cat.ns.nic.es, cat.pch.net, nsc.nic.de, anyc1.irondns.net... | 10 records |
| stem.cat | ns-cloud-b3.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b1.googledomains.com, ns-cloud-b4.googledomains.com | - |
✅ Authoritative Response
Server:216.239.34.107
NS records: ns-cloud-b3.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b1.googledomains.com, ns-cloud-b4.googledomains.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for stem.cat (unsigned zone)
⏱️ Timing
Total: 780ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 46.4.4.223 |
| NS | 4 | ns-cloud-b3.googledomains.com, ns-cloud-b2.googledomains.com... |
| MX | 2 | smtp-a.formabinari.com (pri: 10), smtp-b.formabinari.com (pri: 20) |
| TXT | 1 | v=spf1 mx -all |
| SOA | 1 | ns-cloud-b1.googledomains.com cloud-dns- |
📌 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, cat.pch.net...)
Analysis
IP Addresses
stem.cat has exactly one IP address — 46.4.4.223.
static.223.4.4.46.clients.your-server.de, transmecanica.com.ar, activogrupo.com plus two other host names have IP numbers in common with stem.cat.
Name Servers
Four name servers handle the delegation for stem.cat: ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com and ns-cloud-b4.googledomains.com.
stem.cat partially shares its NS delegation with several other domains, including landandstones.com, localmercato.com, vms-us.com and two others.
ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com and ns-cloud-b4.googledomains.com each carry two IP addresses. ns-cloud-b1.googledomains.com has 216.239.32.107 and 2001:4860:4802:32::6b; ns-cloud-b2.googledomains.com has 216.239.34.107 and 2001:4860:4802:34::6b; ns-cloud-b3.googledomains.com has 216.239.36.107 and 2001:4860:4802:36::6b; ns-cloud-b4.googledomains.com has 216.239.38.107 and 2001:4860:4802:38::6b.
Mail Servers
stem.cat uses two mail servers, smtp-a.formabinari.com and smtp-b.formabinari.com.
The mail server setup of stem.cat matches that of other domains such as ledr-ingenieria.com, serccoeditorial.com, formabinari.com and two others.
smtp-a.formabinari.com resolves to 167.71.3.217. smtp-b.formabinari.com resolves to 136.243.157.200. Both host names point to a single IP number.