fck.dk is a .dk domain served by 4 nameservers (ns1.ascio.com, ns2.ascio.com, ns3.ascio.com and 1 more). It was registered on 19 November 1996 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.66.19.47 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by fck-dk.mail.protection.outlook.com, parken-dk.mx2.mx25.net and 1 more. The zone is not DNSSEC-signed, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 77.66.19.47 | 60s | fck.dk | AS47292 | Sentia Denmark A/S | 77.66.16.0/20 | 🇩🇰 Denmark | Karlslunde |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.152 |
| TXT Record |
|---|
| 5C//9Stwl8J/EJKkaqbneEp4VH9I/0U/sAxy9gE/xd3EwVN3036KAACPwaStoRZrLBvUtftraO/S/L7agvE0yQ== |
| anthropic-domain-verification-a5n45b=7Jwc1SNDoAnmOUDxGMqWvrxkr |
| apple-domain-verification=l3kjoDfSDDeDVeG9 |
| atlassian-domain-verification=ezo29DenVZIbBCabcoX5l5G2X2p/n6amNLxAMN0PvcIbLmknRty5zyq0cEgekNQ0 |
| atlassian-sending-domain-verification=1e884e43-ec97-48f7-9dcb-e112ad63f888 |
| facebook-domain-verification=b1srl3l1geddr9gpdfild6vc2lbchu |
| google-site-verification=UNqD6Ch1ePHUXts8-ws5lKYHe3uIs8rLa_lLvFObvHU |
| google-site-verification=YbJ0nmJ6Cv50OTEeywgtKmR-Nq-xaDy4Tajelt_1dtk |
| MS=ms31720752 |
| shopify-verification-code=pLjcFvSq4KHSpYSdYZVN48SnAlKKJz |
| traction-guest=92c815c0-63f3-4204-a4ea-7a2e4976ecb3 |
| v=spf1 include:spf-eu.emailsignatures365.com include:agspf.agillic.eu include:spf.emailsignatures365.com include:spf.protection.outlook.com include:servers.mcsv.net include:spf.mandrillapp.com include:mail.zendesk.com ip4:77.66.30.6 a:fck.dk ~all |
| Policy | Record (fck.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:spf-eu.emailsignatures365.com include:agspf.agillic.eu include:spf.emailsignatures365.com include:spf.protection.outlook.com include:servers.mcsv.net include:spf.mandrillapp.com include:mail.zendesk.com ip4:77.66.30.6 a:fck.dk ~all |
| Policy | Record (_dmarc.fck.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:mvhbsmq6@ag.eu.dmarcian.com; |
| www | 77.66.19.47 (AS47292) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| k1 | dkim.mcsv.net | RSA · ~1024 bit below 2048 bit |
| s1 | s1.domainkey.u276253.wl004.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u276253.wl004.sendgrid.net | RSA · ~1024 bit below 2048 bit |
| selector1 | selector1-fck-dk._domainkey.parkenfck.onmicrosoft.com | RSA · ~1024 bit below 2048 bit |
| selector2 | selector2-fck-dk._domainkey.parkenfck.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
| 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 | 1789997950 |
| Primary NS (MNAME) | ns1.ascio.com |
| Responsible (RNAME) | it-support@fck.dk |
| Refresh | 3600s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | ASCIO TECHNOLOGIES, CORP. DANMARK - FILIAL AF ASCIO TECHNOLOGIES, CORP. CANADA |
| Registered | 1996-11-19 |
| Expires | 2026-12-31 (73d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 04:32:26 shown | 1504ms | 4 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-30 02:09:59 | 1233ms | 4 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-23 18:04:20 | 1578ms | 4 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-17 08:28:19 | 1157ms | 4 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-14 03:00:44 | 1912ms | 4 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-26 10:42:35 | 2948ms | 4 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-22 08:52:40 | 2442ms | 4 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-09 00:07:00 | 2056ms | 4 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-03 10:20:11 | 2586ms | 4 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-21 07:02:20 | 3448ms | 4 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-20 20:24:15 | 1183ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 09:48:04 | 3082ms | 4 NS 1 A 3 MX | 🔓 Insecure |