ek.dk is a .dk domain served by 3 nameservers (ns.efif.dk, ns2.efif.dk, ns3.efif.dk). It was registered on 30 March 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.254.168.52 is hosted by Aarhus Business College (AS51073) in Denmark. Mail is handled by ek-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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns.efif.dk | 195.254.168.23 | ns.efif.dk | AS51073 Aarhus Business College |
| ns2.efif.dk | 195.254.168.12 | ns2.efif.dk | AS51073 Aarhus Business College |
| ns3.efif.dk | 20.23.170.35 | — | AS8075 Microsoft Corporation |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 195.254.168.52 | 600s | cphbusiness.dk ek.dk keanet.dk kompetence.kea.dk redirect.efif.dk |
AS51073 | Aarhus Business College | 195.254.168.0/23 | 🇩🇰 Denmark | Højbjerg |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.152 |
| TXT Record |
|---|
| adobe-idp-site-verification=fbec4fed7a2acdcc564f6d8ae7250cbbbf4c6d0a0c26a9793df633fd8d5cbc5b |
| google-site-verification=VI7PpLwXdP0Vl8dnDQJg7mc6daDfJ1gZ2WcqUgR8Hg0 |
| miro-verification=6eb5ec72e012b0ada3835b25feba480e5636597f |
| MS=ms49640215 |
| v=spf1 ip4:52.166.0.186 ip4:83.91.91.0/26 include:spf.protection.outlook.com include:_spf.emply.com include:spf-eu.exlibrisgroup.com include:_spf.createsend.com include:spf.topdesk.net include:mail.zendesk.com -all |
| ZOOM_verify_f1WrNkB10ex733tJvpHx73 |
| Policy | Record (ek.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:52.166.0.186 ip4:83.91.91.0/26 include:spf.protection.outlook.com include:_spf.emply.com include:spf-eu.exlibrisgroup.com include:_spf.createsend.com include:spf.topdesk.net include:mail.zendesk.com -all |
| Policy | Record (_dmarc.ek.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; pct=100; ruf=mailto:analyze@efif.dk; rua=mailto:analyze@efif.dk |
| www CNAME | endpoint-ekinfra-prod-5pzti-dsbyfsgzawfxe7e2.a01.azurefd.net (all on azurefd.net) |
| www vs bare domain | Different networks (all like this) |
| Wildcard | No |
| Denial of existence | NSEC3 · 50 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-ek-dk._domainkey.erhvervsakademikbenhavn.onmicrosoft.com | RSA · ~2048 bit |
| selector2 | selector2-ek-dk._domainkey.erhvervsakademikbenhavn.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: 6/10 · 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 | 2023101102 |
| Primary NS (MNAME) | ns.efif.dk |
| Responsible (RNAME) | dns-zc@efif.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2023-03-30 |
| Expires | 2027-03-29 (161d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 21:39:54 | 8515ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-13 19:35:25 | 1128ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-12 19:03:39 | 1322ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-11 17:51:35 | 1438ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-09 09:49:17 | 1522ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-08 09:23:17 | 4146ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-07 09:16:52 | 2344ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-06 05:23:23 | 1367ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-05 05:19:20 | 2466ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-04 05:04:25 | 1479ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-03 05:02:35 | 1183ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-02 05:00:57 | 1356ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 04:55:23 | 2324ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 04:34:04 | 4109ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-29 04:24:00 shown | 2497ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-27 03:38:42 | 2529ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 03:27:56 | 1950ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 03:05:25 | 1702ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 02:43:26 | 4434ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 22:46:23 | 2758ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-20 04:59:57 | 4812ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-18 17:05:24 | 8744ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-11 15:42:21 | 1771ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-04 09:21:43 | 1304ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-31 15:26:17 | 2377ms | 3 NS 1 A 1 MX | 🔒 Secure |