mkfc.dk

📜 Historical scan 2026-09-18 13:55:50 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

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.

🖥️ Nameservers#

2 records 32ms

Nameserver	IP addresses	PTR	ASN / ISP
luke.ns.cloudflare.com	108.162.193.200 172.64.33.200 173.245.59.200 2606:4700:58::adf5:3bc8 2803:f800:50::6ca2:c1c8 2a06:98c1:50::ac40:21c8	luke.ns.cloudflare.com luke.ns.cloudflare.com luke.ns.cloudflare.com luke.ns.cloudflare.com luke.ns.cloudflare.com luke.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
rosalyn.ns.cloudflare.com	108.162.194.59 162.159.38.59 172.64.34.59 2606:4700:50::a29f:263b 2803:f800:50::6ca2:c23b 2a06:98c1:50::ac40:223b	rosalyn.ns.cloudflare.com rosalyn.ns.cloudflare.com rosalyn.ns.cloudflare.com rosalyn.ns.cloudflare.com rosalyn.ns.cloudflare.com rosalyn.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 31ms

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	—	—

📧 MX Records#

1 records 31ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	mkfc-dk.mail.protection.outlook.com	2a01:111:f403:c967::c 2a01:111:f403:ca09::a 2a01:111:f403:ca21::e 2a01:111:f403:ca3c::8 52.101.103.36 52.101.103.39 52.101.91.156 52.101.91.21	mail-cpjpr05cu00204.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-matpr04cu00306.inbound.protection.outlook.com mail-zrxpr05cu00100.inbound.protection.outlook.com mail-miypr05cu00104.inbound.protection.outlook.com mail-miypr05cu00207.inbound.protection.outlook.com mail-maspr04cu00104.inbound.protection.outlook.com mail-matpr05cu00105.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.149.136

🔷 AAAA Records (IPv6)#

2 records 34ms

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	—	—

🔐 HTTPS Records#

1 records 48ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.11.108,172.67.148.234 ech=AEX+DQBBpQAgACB74sCEYPixbPFw+/Ii92mJgRaYxnUdgIPLTGQ2oQtBCgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:94ea,2606:4700:3036::6815:b6c

📝 TXT Records#

1 records 167ms

TXT Record
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (mkfc.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.mkfc.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:f6c8cf1af9284f89b19df3ea97070726@dmarc-reports.cloudflare.net

📬 MTA-STS#

140ms

Check	Result
Status	⚠️ Invalid
TXT record (_mta-sts)	✓ Found
HTTPS policy	✗ Missing / invalid
Policy ID	2026073001
Policy MX	—

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-12 20:32:04

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 mkfc.dk: 104.21.11.108 172.67.148.234 2606:4700:3034::ac43:94ea 2606:4700:3036::6815:b6c (AS13335) www.mkfc.dk: 104.21.11.108 172.67.148.234 2606:4700:3034::ac43:94ea 2606:4700:3036::6815:b6c (AS13335)
Wildcard	No

✍️ DKIM keys#

2 found

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.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.mkfc.dk	-RWUXyhArWy7rY-4DnUtpIdaWGdkp1xQHIuKaKPT3qY
TXT	_acme-challenge.mkfc.dk	lidhk79Tszax0Kkbir0Yj9zDVYh2jo72OZwO1Dz6yTc

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

113ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2415162521
Primary NS (MNAME)	luke.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

32ms

31ms

AAAA

34ms

TXT

167ms

CAA

38ms

HTTPS

48ms

TLSA

455ms

SOA

0ms

MTA-STS

140ms

DNSSEC

113ms

SRV

92ms

Total

1150ms

🕐 Scan History#

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	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 shown	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