solfeggio.dk is a .dk domain served by 3 nameservers (ns1.linuxhus.dk, ns2.linuxhus.dk, ns3.linuxhus.dk). It was registered on 2 March 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 37.128.222.26 is hosted by Sinal A/S (AS39642) in Denmark. Mail is handled by mx.mailsec.dk, h1.linuxhus.dk. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.linuxhus.dk | 37.128.222.18 | — | AS39642 Sinal A/S |
| ns2.linuxhus.dk | 37.128.222.19 | — | AS39642 Sinal A/S |
| ns3.linuxhus.dk | 37.128.222.20 | — | AS39642 Sinal A/S |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 37.128.222.26 | 60s | h1.linuxhus.dk | AS39642 | Sinal A/S | 37.128.208.0/20 | 🇩🇰 Denmark | Esbjerg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 5 | 60s | mx.mailsec.dk | — | — | — |
| 10 | 60s | h1.linuxhus.dk | 37.128.222.26 | h1.linuxhus.dk | AS39642 Sinal A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 37.128.222.26 |
| 🔶 Autoconfig | 37.128.222.26 |
| TXT Record |
|---|
| google-site-verification=pX8ob6kLYHcPyk7sNzDWk1PD7-e79upp8J76lV46AO8 |
| Policy | Record (_dmarc.solfeggio.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; pct=100; adkim=r; aspf=r |
| Flags | Tag | Value |
|---|---|---|
| 0 | issuewild | letsencrypt.org |
| www | 37.128.222.21 (AS39642) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.h1.linuxhus.dk | DANE-EE · Full cert · SHA-256 | 4483133018F7969C9949B551C33278DC… |
| HTTPS _443._tcp.solfeggio.dk | DANE-EE · Full cert · SHA-256 | B03598A064FD5CC86B00B9CFF2C7910B… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026070400 |
| Primary NS (MNAME) | ns1.linuxhus.dk |
| Responsible (RNAME) | root@ns1.linuxhus.dk |
| Refresh | 60s |
| Retry | 600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2023-03-02 |
| Expires | 2027-03-01 (135d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-11 09:09:57 | 1280ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-22 03:42:35 | 1023ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-02 21:51:45 | 640ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-29 16:26:57 | 1565ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-20 19:26:51 | 1695ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-16 00:48:31 | 2079ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-07 17:53:03 | 2147ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-26 07:14:43 | 2017ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-20 10:33:17 | 4694ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-18 20:02:36 shown | 19756ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-16 11:38:00 | 17424ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-04 17:00:34 | 5844ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-26 23:30:14 | 2118ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-25 07:17:26 | 5185ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-18 00:05:21 | 4203ms | 3 NS 1 A 2 MX | 🔒 Secure |