saekken.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 8 July 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.41.83 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by saekken-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 185.21.41.83 | 601s | linux33.curanet.dk | AS48854 | team.blue Denmark A/S | 185.21.40.0/22 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.136 |
| 🔶 Autoconfig | 185.21.41.83 |
| TXT Record |
|---|
| MS=ms92084097 |
| v=spf1 a ptr ip4:185.21.40.121 include:spf.protection.outlook.com include:postfilter.dk include:web.shared.mysmtp.com -all |
| Policy | Record (saekken.dk) |
|---|---|
| -all (hard fail) | v=spf1 a ptr ip4:185.21.40.121 include:spf.protection.outlook.com include:postfilter.dk include:web.shared.mysmtp.com -all |
| www | 185.21.41.83 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-saekken-dk._domainkey.poulschou.onmicrosoft.com | 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: 8/10 · policy: -all
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.saekken.dk | v5s9bhOQFDWcsGuCc94UPcqsVa_CK-31YuQX02oOzRk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101200 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2021-07-08 |
| Expires | 2027-07-31 (287d) |
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 |
|---|---|
| schouhelicopter.dk | Simply.com A/S |
| schoulogistik.dk | Simply.com A/S |
| schouudlejning.dk | Simply.com A/S |
| sækken.dk | Simply.com A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 05:14:17 shown | 2231ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 22:31:19 | 1371ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 22:25:31 | 933ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-29 18:43:32 | 1504ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-14 21:08:36 | 1251ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-28 01:38:16 | 1182ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 02:08:10 | 950ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-29 05:21:20 | 1210ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 02:51:11 | 862ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 07:19:17 | 4652ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 03:55:39 | 1173ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-23 04:04:34 | 808ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 19:05:47 | 935ms | 4 NS 1 A 1 MX | ⚠️ Bogus |