tuto.dk is a .dk domain served by 2 nameservers (ns.linuxhouse.dk, ns1.linuxhouse.dk). It was registered on 1 September 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 80.209.114.59 is hosted by FIBIA P/S (AS44869) in Denmark. Mail is handled by pmg.linuxhouse.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 |
|---|---|---|---|
| ns.linuxhouse.dk | 80.209.114.59 | 80.209.114.59.static.fibianet.dk | AS44869 FIBIA P/S |
| ns1.linuxhouse.dk | 38.102.125.155 | — | AS26832 Rica Web Services |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 80.209.114.59 | 3600s | 80.209.114.59.static.fibianet.dk | AS44869 | FIBIA P/S | 80.209.0.0/17 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | pmg.linuxhouse.dk | 80.209.114.59 | 80.209.114.59.static.fibianet.dk | AS44869 FIBIA P/S |
| TXT Record |
|---|
| v=spf1 ip4:212.237.102.22 ip4:104.152.210.69 ip4:192.38.110.166 ip4:192.38.110.182 include:amazonses.com -all |
| Policy | Record (tuto.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:212.237.102.22 ip4:104.152.210.69 ip4:192.38.110.166 ip4:192.38.110.182 include:amazonses.com -all |
| Policy | Record (_dmarc.tuto.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; ruf=mailto:dmarc@fvp.dk; fo=1 |
| www | 80.209.114.59 (AS44869) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt · opt-out 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.
DNS lookups: 1/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026091702 |
| Primary NS (MNAME) | ns.linuxhouse.dk |
| Responsible (RNAME) | ns@tuto.dk |
| Refresh | 7200s |
| Retry | 540s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2020-09-01 |
| Expires | 2027-09-30 (347d) |
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).
| Domain | Registrar |
|---|---|
| loneschulz.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 08:07:31 | 4205ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-10 03:47:39 | 1463ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-04 22:54:21 | 4029ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-29 22:10:29 | 2911ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-27 21:45:59 | 1068ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 21:29:11 | 840ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 20:04:10 | 894ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-20 13:02:59 shown | 2172ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-13 11:18:19 | 1096ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-08 19:24:25 | 10109ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-03 18:33:25 | 2523ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-28 16:30:59 | 2333ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-24 07:22:58 | 3681ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-18 23:30:04 | 4168ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-12 13:59:56 | 1643ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-08 00:57:02 | 1275ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-03 17:40:58 | 9645ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-30 13:51:20 | 1936ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-28 02:19:58 | 821ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-22 23:33:26 | 3283ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-17 22:48:01 | 3667ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-12 12:44:31 | 3325ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-09 05:34:47 | 8839ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-03 12:24:13 | 9441ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-28 16:40:21 | 3503ms | 2 NS 1 A 1 MX | 🔒 Secure |