mkfc.dk is a .dk domain served by 2 nameservers (luke.ns.cloudflare.com, rosalyn.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.11.108 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mkfc-dk.mail.protection.outlook.com. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.11.108 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.148.234 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.40 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3034::ac43:94ea | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::6815:b6c | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.11.108,172.67.148.234 ech=AEX+DQBBtQAgACAAdwTQLbqYK0sdUVDib5ozbHMmbrXTrcXDS27YbwHRBgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:94ea,2606:4700:3036::6815:b6c |
| TXT Record |
|---|
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (mkfc.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.mkfc.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:f6c8cf1af9284f89b19df3ea97070726@dmarc-reports.cloudflare.net |
| Check | Result |
|---|---|
| Status | 🔒 Enforce |
| TXT record (_mta-sts) | ✓ Found |
| HTTPS policy | ✓ Valid |
| Mode | enforce |
| Policy ID | 2026073001 |
| max_age | 604800s |
| Policy MX | *.mail.protection.outlook.com |
| www | 104.21.11.108 172.67.148.234 2606:4700:3034::ac43:94ea 2606:4700:3036::6815:b6c (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-mkfc-dk._domainkey.mkfc.onmicrosoft.com | RSA · ~1024 bit below 2048 bit |
| selector2 | selector2-mkfc-dk._domainkey.mkfc.onmicrosoft.com | RSA · ~1024 bit below 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| 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 | 2415247758 |
| Primary NS (MNAME) | luke.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-02 11:06:19 | 2403ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-30 10:48:27 shown | 762ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-27 04:05:52 | 10235ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-21 05:29:27 | 1516ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-18 13:55:50 | 1150ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-05 16:12:37 | 1865ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-26 12:04:34 | 1026ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-26 08:14:10 | 776ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-24 15:57:44 | 1709ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-04 10:16:20 | 2041ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-26 06:13:33 | 1964ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-20 16:29:05 | 2611ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 20:20:03 | 1218ms | 2 NS 2 A 1 MX | 🔓 Insecure |