samstrom.dk is a .dk domain served by 2 nameservers (nicolas.ns.cloudflare.com, poppy.ns.cloudflare.com). It was registered on 23 April 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.16.110 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by samstrom-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no 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 |
|---|---|---|---|---|---|---|---|
| 104.21.16.110 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.210.204 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.207.232 |
| 🔶 Autoconfig | 104.21.16.110 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::6815:106e | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3034::ac43:d2cc | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.16.110,172.67.210.204 ech=AEX+DQBBaQAgACBgPd/QUIl9tDOY8zSa1e6gfREgl2baVTY3wA3xuDb2EgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:106e,2606:4700:3034::ac43:d2cc |
| TXT Record |
|---|
| MS=ms55645411 |
| samstrom-dk.mail.protection.outlook.com |
| v=spf1 include:_spf.mailersend.net include:spf.protection.outlook.com include:spf.simply.com a:mailscan10.tn-hosting.dk a:volta.pil.dk -all |
| Policy | Record (samstrom.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.mailersend.net include:spf.protection.outlook.com include:spf.simply.com a:mailscan10.tn-hosting.dk a:volta.pil.dk -all |
| www | 104.21.16.110 172.67.210.204 2606:4700:3031::6815:106e 2606:4700:3034::ac43:d2cc (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network samstrom.dk: 104.21.16.110 172.67.210.204 2606:4700:3031::6815:106e 2606:4700:3034::ac43:d2cc (AS13335) www.samstrom.dk: 104.21.16.110 172.67.210.204 2606:4700:3031::6815:106e 2606:4700:3034::ac43:d2cc (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-samstrom-dk._domainkey.energiikast.k-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: 5/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2416695437 |
| Primary NS (MNAME) | nicolas.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | CURANET A/S |
| Registered | 2015-04-23 |
| Expires | 2027-04-30 (193d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-06 20:41:41 shown | 3047ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-29 14:51:19 | 2672ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-25 05:50:28 | 2862ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-11 18:14:54 | 2995ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-09 08:36:19 | 2877ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-20 11:56:49 | 5558ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-04 20:48:05 | 3129ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 23:36:37 | 1195ms | 2 NS 1 A 1 MX | 🔒 Secure |