23solutions.dk is a .dk domain served by 2 nameservers (carla.ns.cloudflare.com, pedro.ns.cloudflare.com). It was registered on 3 August 2026 (WHOIS) and first appeared in the .dk zone on 4 August 2026. Its website address 104.21.56.71 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by 23solutions-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 104.21.56.71 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.179.208 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.136 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::ac43:b3d0 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3032::6815:3847 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.56.71,172.67.179.208 ech=AEX+DQBB7QAgACDVIJ1+nNReGjcZJINIWWe6zpM7KnJbwIgwrOGjUhlYDQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:b3d0,2606:4700:3032::6815:3847 |
| TXT Record |
|---|
| google-site-verification=Dflq6md8N1UbRzncbz62ljwMDs_AZ8IMqoq2ZpetBbY |
| MS=ms56162694 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (23solutions.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.23solutions.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:dmarc@23solutions.dk |
| www | 104.21.56.71 172.67.179.208 2606:4700:3030::ac43:b3d0 2606:4700:3032::6815:3847 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network 23solutions.dk: 104.21.56.71 172.67.179.208 2606:4700:3030::ac43:b3d0 2606:4700:3032::6815:3847 (AS13335) www.23solutions.dk: 104.21.56.71 172.67.179.208 2606:4700:3030::ac43:b3d0 2606:4700:3032::6815:3847 (AS13335) |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~2048 bit |
| selector1 | selector1-23solutions-dk._domainkey.23digitalconsulting.w-v1.dkim.mail.microsoft | RSA · ~2048 bit |
| selector2 | selector2-23solutions-dk._domainkey.23digitalconsulting.w-v1.dkim.mail.microsoft | 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| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.23solutions.dk | TDbmCUuHgyQvd55vRWqBKq_3K7DXDrwiPwHk-A3FJog |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2417376033 |
| Primary NS (MNAME) | carla.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | nordicway ApS |
| Registered | 2026-08-03 |
| Expires | 2027-08-02 (288d) |
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 |
|---|---|
| heilmann-madsen.dk | nordicway ApS |
| map-visible.dk | nordicway ApS |
| mapvisible.dk | nordicway ApS |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 01:55:56 shown | 1080ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-02 19:58:12 | 1052ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-01 21:07:23 | 886ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-30 21:06:36 | 1247ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-26 21:41:19 | 1405ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-13 06:10:35 | 1142ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-07 07:02:50 | 2246ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-26 13:54:22 | 576ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-15 18:06:40 | 929ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-09 10:27:35 | 891ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-04 08:35:50 | 2503ms | 2 NS 2 A 0 MX | 🔓 Insecure |