martinsohn.dk is a .dk domain served by 2 nameservers (alina.ns.cloudflare.com, nile.ns.cloudflare.com). It was registered on 15 January 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.199.108.153 is hosted by Fastly, Inc. (AS54113) in United States. Mail is handled by martinsohn-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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.
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.136 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:50c0:8000::153 | 300s | — | AS54113 | Fastly, Inc. | 2606:50c0:8000:0:0:0:0:0/46 | 🇺🇸 United States | — |
| 2606:50c0:8001::153 | 300s | — | AS54113 | Fastly, Inc. | 2606:50c0:8000:0:0:0:0:0/46 | 🇺🇸 United States | — |
| 2606:50c0:8002::153 | 300s | — | AS54113 | Fastly, Inc. | 2606:50c0:8000:0:0:0:0:0/46 | 🇺🇸 United States | — |
| 2606:50c0:8003::153 | 300s | — | AS54113 | Fastly, Inc. | 2606:50c0:8000:0:0:0:0:0/46 | 🇺🇸 United States | — |
| TXT Record |
|---|
| these aren't the records you're looking for |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (martinsohn.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.martinsohn.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; aspf=s; adkim=s; |
| www CNAME | bottle-droplets-bend-lawnmower.github.io (all on github.io) |
| www vs bare domain | Same network martinsohn.dk: 185.199.108.153 185.199.109.153 185.199.110.153 185.199.111.153 (AS54113) www.martinsohn.dk: 185.199.108.153 185.199.109.153 185.199.110.153 185.199.111.153 (AS54113) |
| 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 |
|---|---|---|
| selector1 | selector1-martinsohn-dk._domainkey.martinsohn.onmicrosoft.com | RSA · ~2048 bit |
| selector2 | selector2-martinsohn-dk._domainkey.martinsohn.onmicrosoft.com | RSA · ~1024 bit below 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 | 2417400306 |
| Primary NS (MNAME) | alina.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2011-01-15 |
| Expires | 2036-01-31 (3392d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 11:28:46 shown | 3707ms | 2 NS 4 A 1 MX | 🔒 Secure |
| 2026-09-30 18:00:18 | 1283ms | 2 NS 4 A 1 MX | 🔒 Secure |
| 2026-09-24 01:01:24 | 822ms | 2 NS 4 A 1 MX | 🔒 Secure |
| 2026-09-23 12:59:58 | 3111ms | 2 NS 4 A 1 MX | 🔒 Secure |
| 2026-08-28 01:51:28 | 1292ms | 2 NS 4 A 1 MX | 🔒 Secure |
| 2026-08-27 12:13:04 | 1016ms | 2 NS 4 A 1 MX | 🔒 Secure |
| 2026-08-07 12:14:08 | 2441ms | 2 NS 4 A 1 MX | 🔒 Secure |
| 2026-07-10 18:00:04 | 9706ms | 2 NS 4 A 1 MX | 🔒 Secure |
| 2026-07-02 02:40:01 | 1407ms | 2 NS 4 A 1 MX | 🔒 Secure |
| 2026-06-17 23:58:48 | 1373ms | 2 NS 4 A 1 MX | 🔒 Secure |