kernel.pt - dns.ninja
kernel.pt
| DNSSEC | ⚠️ Not signed | ||||||
| A | 80.172.227.28🇵🇹 CLARANET-AS80.172.0.0/16 Claranet Portugal | ||||||
| PTR | sponde.wv.pt | ||||||
| NS | ns33.dnstrigno.com ⭐ | ||||||
| A | 80.172.227.28🇵🇹 CLARANET-AS80.172.0.0/16 Claranet Portugal | ||||||
| PTR | sponde.wv.pt | ||||||
| NS | ns34.dnstrigno.com | ||||||
| A | 80.172.227.129🇵🇹 CLARANET-AS80.172.0.0/16 Claranet Portugal | ||||||
| PTR | b129.wv.pt | ||||||
| MX | mail.kernel.pt ⭐ | ||||||
| A | 80.172.227.28🇵🇹 CLARANET-AS80.172.0.0/16 Claranet Portugal | ||||||
| PTR | sponde.wv.pt | ||||||
| TXT | MS=39EEDC2AE699F479DD56B4933A11ECD3A52BE16B | ||||||
| TXT | v=spf1 +a +mx +ip4:80.172.227.28 ~all | ||||||
| TXT | Sendinblue-code:fe62a9b2b2cfab86fa4223eefb90c065 | ||||||
| SOA | ns33.dnstrigno.comdump@helpdesk.pt 2026-07-22 #1 | ||||||
pt
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | curiosity.dns.pt ⭐ | ||||||
| NS | a.dns.pt | ||||||
| NS | b.dns.pt | ||||||
| NS | c.dns.pt | ||||||
| NS | d.dns.pt | ||||||
| NS | e.dns.pt | ||||||
| NS | g.dns.pt | ||||||
| NS | h.dns.pt | ||||||
| NS | ns.dns.br | ||||||
| NS | ns2.nic.fr | ||||||
| SOA | curiosity.dns.ptrequest@dns.pt 2026-07-24 #47 | ||||||
Subdomains
mail.kernel.pt |
Same first word
Similar names
DNS History
9 records (4 active, 5 former)
○NSns1.dnsherse.com2015-06-03 → 2018-08-12 · 4 obs
● 2018-08-12 23:28:58
○ 2026-03-15 01:29:44
○ 2026-07-24 23:32:36
○NSns2.dnsherse.com2015-06-03 → 2018-08-12 · 4 obs
● 2018-08-12 23:28:58
○ 2026-03-15 01:29:44
○ 2026-07-24 23:32:36
○NSns29.dnstrigno.com2026-03-15 → 2026-03-15 · 4 obs
● 2026-03-15 01:29:44
○ 2026-07-24 23:32:32
○ 2026-07-24 23:32:36
○NSns30.dnstrigno.com2026-03-15 → 2026-03-15 · 4 obs
● 2026-03-15 01:29:44
○ 2026-07-24 23:32:32
○ 2026-07-24 23:32:36
●NSns33.dnstrigno.com2026-03-15 → 2026-07-24 · 3 obs
● 2026-03-15 01:29:44
● 2026-07-24 23:32:36
●NSns34.dnstrigno.com2026-03-15 → 2026-07-24 · 3 obs
● 2026-03-15 01:29:44
● 2026-07-24 23:32:36
●MXmail.kernel.pt2015-06-03 → 2026-07-24 · 2 obs
● 2026-07-24 23:32:36
●A80.172.227.282026-03-15 → 2026-07-24 · 3 obs
● 2026-03-15 01:29:44
● 2026-07-24 23:32:36
○A89.152.241.2332015-06-03 → 2018-08-12 · 4 obs
● 2018-08-12 23:28:58
○ 2026-03-15 01:29:44
○ 2026-07-24 23:32:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| pt | c.dns.pt, ns2.nic.fr, e.dns.pt, b.dns.pt... | 15 records |
| kernel.pt | ns33.dnstrigno.com, ns34.dnstrigno.com | - |
✅ Authoritative Response
Server:80.172.227.28
NS records: ns33.dnstrigno.com, ns34.dnstrigno.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for kernel.pt (unsigned zone)
⏱️ Timing
Total: 1405ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 80.172.227.28 |
| NS | 2 | ns33.dnstrigno.com, ns34.dnstrigno.com |
| MX | 1 | mail.kernel.pt (pri: 0) |
| TXT | 3 | MS=39EEDC2AE699F479DD56B4933A11ECD3A52BE, v=spf1 +a +mx +ip4:80.172.227.28 ~all... |
| SOA | 1 | ns33.dnstrigno.com dump.helpdesk.pt |
📌 Glue Records Collected
Total: 15
In-bailiwick: 13 (a.dns.pt, b.dns.pt, c.dns.pt...)
Out-of-bailiwick: 2 (ns2.nic.fr, ns.dns.br)
Analysis
Hierarchy
mail.kernel.pt is a subdomain of kernel.pt.
IP Addresses
kernel.pt points to a single IP number: 80.172.227.28.
Additional host names — colaborante.pt, aedas.edu.pt, ns33.dnstrigno.com and two others — share IP numbers with kernel.pt.
Name Servers
Two name servers handle the delegation for kernel.pt: ns33.dnstrigno.com and ns34.dnstrigno.com.
kernel.pt shares the same authoritative DNS setup with other domains, including naiade.pt and aedas.edu.pt.
These name servers commonly appear alongside the name servers ns29.dnstrigno.com and ns30.dnstrigno.com.
Both ns33.dnstrigno.com and ns34.dnstrigno.com have a single IP address each — ns33.dnstrigno.com resolves to 80.172.227.28 while ns34.dnstrigno.com resolves to 80.172.227.129.
Mail Servers
kernel.pt has one mail server: mail.kernel.pt.
mail.kernel.pt carries a single IP number, which is 80.172.227.28.