remuc.dk is a .dk domain served by 4 nameservers (ns1.f-solutions.fi, ns1.f-solutions.net, ns2.f-solutions.fi and 1 more). It was registered on 19 December 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.155.108.217 is hosted by Google LLC (AS396982) in Belgium. Mail is handled by mx1.f-solutions.fi, mx2.f-solutions.fi. The zone is not DNSSEC-signed, 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.155.108.217 | 3600s | 217.108.155.104.bc.googleusercontent.com | AS396982 | Google LLC | 104.154.0.0/15 | 🇧🇪 Belgium | Brussels |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx1.f-solutions.fi | 178.213.234.25 2a00:4cc1:16::f25 |
mx1.f-solutions.fi mx1.f-solutions.fi |
AS51691 F-Solutions Oy AS51691 F-Solutions Oy |
| 20 | 3600s | mx2.f-solutions.fi | 2a00:4cc0:22::f25 37.16.126.25 |
mx2.f-solutions.fi mx2.f-solutions.fi |
AS57664 F-Solutions Oy AS57664 F-Solutions Oy |
| Service | CNAME / IP |
|---|---|
| 🔶 Autoconfig | https.f-solutions.fi → 178.213.234.11 |
| TXT Record |
|---|
| v=spf1 include:spf1.f-solutions.fi ?all |
| Policy | Record (remuc.dk) |
|---|---|
| ?all (neutral) | v=spf1 include:spf1.f-solutions.fi ?all |
| Policy | Record (_dmarc.remuc.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| www | 104.155.108.217 (AS396982) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 1/10 · policy: ?all
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.remuc.dk | remuc.dk.acme.fsol.fi |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.f-solutions.fi | DANE-EE · Full cert · SHA-512 | A67F7E30D5FDA727E5BA6FD44D51B05E… |
| SMTP _25._tcp.mx1.f-solutions.fi | DANE-EE · Full cert · SHA-512 | 1EBD31005E671B9B7A76E6A2EEC02494… |
| SMTP _25._tcp.mx2.f-solutions.fi | DANE-EE · Full cert · SHA-512 | 1EBD31005E671B9B7A76E6A2EEC02494… |
| SMTP _25._tcp.mx2.f-solutions.fi | DANE-EE · Full cert · SHA-512 | A67F7E30D5FDA727E5BA6FD44D51B05E… |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2021101814 |
| Primary NS (MNAME) | ns1.f-solutions.fi |
| Responsible (RNAME) | admins@f-solutions.fi |
| Refresh | 10800s |
| Retry | 7200s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 10800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2012-12-19 |
| Expires | 2026-12-31 (74d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 14:39:39 | 1306ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-10-07 14:31:14 | 1375ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-10-06 16:21:47 | 795ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-30 15:26:45 shown | 2494ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-26 09:15:32 | 3196ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-25 09:08:55 | 10534ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-23 16:27:46 | 3403ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-16 17:48:51 | 2850ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-09 16:43:28 | 8042ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-01 04:45:44 | 2113ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-26 13:33:27 | 2101ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-21 13:45:13 | 7385ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-18 08:45:36 | 1784ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-10 10:01:25 | 10756ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-06 06:31:35 | 1732ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-27 21:55:48 | 18072ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-23 17:15:19 | 4100ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-22 16:52:02 | 2795ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-11 04:52:05 | 1521ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-09 13:01:47 | 2977ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-01 02:35:50 | 1334ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-27 09:11:17 | 5313ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-27 05:59:46 | 1194ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-24 16:48:34 | 2956ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-21 23:53:53 | 990ms | 0 NS 0 A 0 MX | ❓ Unknown |