s.dk is a .dk domain served by 4 nameservers (ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com and 1 more). It was registered on 31 January 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 89.188.79.191 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx.s.dk. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 89.188.79.191 | 3600s | cp19.computopic.dk | AS48854 | team.blue Denmark A/S | 89.188.72.0/21 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx.s.dk | 178.23.178.11 2a00:1cf0:0:14::218 |
— — |
AS47527 DLX A/S AS47527 DLX A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a00:1cf0:0:14::218 | 3600s | — | AS47527 | DLX A/S | 2a00:1cf0:0:0:0:0:0:0/29 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| 0yk76rbjt4fmw6dgmd8yxtfz8fwbb2st |
| google-site-verification=D5-IKqGb37jWZUGbvSr8FB78Ebf02hPjt6AdiLUPJu4 |
| google-site-verification=TNxTESl6PRb80JpWoKLB1JmEwOaHJ8vw1mNI2s9cOEA |
| v=spf1 ip4:178.23.178.11 ip4:178.23.178.18 ip4:178.23.178.19 ip4:94.231.106.113 ip4:94.231.97.84 mx -all |
| Policy | Record (s.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:178.23.178.11 ip4:178.23.178.18 ip4:178.23.178.19 ip4:94.231.106.113 ip4:94.231.97.84 mx -all |
| Policy | Record (_dmarc.s.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine |
| www | 89.188.79.191 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Selector | CNAME | Key |
|---|---|---|
| — | RSA · ~1024 bit below 2048 bit | |
| s1 | s1.domainkey.u22322650.wl151.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u22322650.wl151.sendgrid.net | 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 |
|---|---|---|
| CNAME | _acme-challenge.s.dk | s.dk |
| TXT | s.dk | 0yk76rbjt4fmw6dgmd8yxtfz8fwbb2st |
| 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 | 2026070101 |
| Primary NS (MNAME) | ns1.eurodns.com |
| Responsible (RNAME) | hostmaster@eurodns.com |
| Refresh | 43200s |
| Retry | 7200s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Eurodns S.A |
| Registered | 1997-01-31 |
| Expires | 2027-03-31 (164d) |
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 |
|---|---|
| duab.dk | Eurodns S.A |
| kronborg-kollegiet.dk | Eurodns S.A |
| ubservice.dk | Eurodns S.A |
| ungdomsbolighovedstaden.dk | Eurodns S.A |
| ungdomsboligkbh.dk | Eurodns S.A |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 14:21:23 | 1022ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-29 21:48:24 | 679ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-04 04:00:21 | 684ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-26 16:11:13 | 968ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-01 20:54:34 shown | 1286ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-20 17:16:48 | 1395ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 15:39:20 | 1030ms | 4 NS 1 A 1 MX | 🔓 Insecure |