spf.dk is a .dk domain served by 2 nameservers (udns1.cscdns.net, udns2.cscdns.uk). It was registered on 12 February 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 80.63.53.202 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by spf-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 80.63.53.202 | — | — | AS3292 | TDC Holding A/S | 80.62.0.0/15 | 🇩🇰 Denmark | Copenhagen |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.40 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 0 | 5061 | webdir.online.lync.com |
| TXT Record |
|---|
| _globalsign-domain-verification=kWoBaHFbAcPzjkE4N5ohZZ9wZHvvuMHRNKF1MKrqZm |
| _globalsign-domain-verification=xSrF3ddXTa0cZrghHroZ5SAHtK4WPXuWjgOedqfMss |
| adobe-idp-site-verification=871b893963c1a82d2a1e56503f2094f85d57b7cb5b6a66d5069ceaf1ef20df3d |
| apple-domain-verification=yu7zwMDISXifYmDX |
| cb6epuc78kengfirfldf8hj7i4 |
| D0A0N87552 |
| fg9fmkms9smsb9n92dhk1j0p6c |
| GjFpLrC4PkGgxfIP0CYk1lr8CzKIrBj0AJhs6vuCKKdlaTA15jHKsCckBZ0soIj2C/kbK8yT1raFkaI7lcNUuA== |
| hjwv1tbh9f735pcs31p5b38jypnxrc5t |
| jbrm8g5905fw1jsfbr3gzf5s5nvzxt9v |
| kiotaanb3pvv38162ll3lab3ir |
| MS=ms75712307 |
| t2zx4swd6b6ppjpdr76yqpkjk7ctftdd |
| v=spf1 ip4:91.239.38.0/23 ip4:62.13.146.235/32 include:_netblocks.mimecast.com include:spf.protection.outlook.com include:authsmtp.com include:mailgun.org ~all |
| Policy | Record (spf.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:91.239.38.0/23 ip4:62.13.146.235/32 include:_netblocks.mimecast.com include:spf.protection.outlook.com include:authsmtp.com include:mailgun.org ~all |
| Policy | Record (_dmarc.spf.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; pct=100;rua=mailto:dmarc_dc@spf.dk |
| www CNAME | 10013da-fe-spf.azurewebsites.net (all on azurewebsites.net) → 20.105.224.13 (AS8075) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| s1 | — | RSA · ~1024 bit below 2048 bit |
| selector1 | selector1-spf-dk._domainkey.danishcrown.onmicrosoft.com | RSA · ~2048 bit |
| selector2 | selector2-spf-dk._domainkey.danishcrown.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: 16/10 · 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 | 2023120656 |
| Primary NS (MNAME) | udns1.cscdns.net |
| Responsible (RNAME) | hostmaster@cscdns.net |
| Refresh | 86400s |
| Retry | 86400s |
| Expire | 86400s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | CSC Digital Brand Service, Inc |
| Registered | 1997-02-12 |
| Expires | 2027-03-31 (162d) |
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 |
|---|---|---|---|
| 2026-09-29 22:16:53 | 828ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-21 13:57:53 | 1193ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-26 19:14:51 | 3205ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-03 20:04:16 | 1446ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 05:39:48 | 793ms | 2 NS 1 A 1 MX | ❓ Unknown |
| 2026-06-22 19:36:08 | 1414ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-20 20:24:23 | 912ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 06:27:26 shown | 994ms | 2 NS 1 A 1 MX | 🔓 Insecure |