samstrom.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.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 185.20.205.31 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by samstrom-dk.mail.protection.outlook.com. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 185.20.205.31 | — | linux359.unoeuro.com | AS48854 | team.blue Denmark A/S | 185.20.204.0/22 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.152 |
| 🔶 Autoconfig | 185.20.205.31 |
| TXT Record |
|---|
| MS=ms55645411 |
| 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 |
| Policy | Record (_dmarc.samstrom.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:65689081e40ce@dmarc.centerasecurity.com; |
| 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 | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026060401 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| 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 | 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 shown | 1195ms | 2 NS 1 A 1 MX | 🔒 Secure |