mkb.dk

📜 Historical scan 2026-09-01 04:03:07 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

mkb.dk is a .dk domain served by 2 nameservers (amit.ns.cloudflare.com, melissa.ns.cloudflare.com). It was registered on 10 October 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.27.226 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx4.spamfri.dk, mx3.spamfri.dk and 2 more. The zone is DNSSEC-signed and validates, 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 31ms

Nameserver	IP addresses	PTR	ASN / ISP
amit.ns.cloudflare.com	108.162.193.63 172.64.33.63 173.245.59.63 2606:4700:58::adf5:3b3f 2803:f800:50::6ca2:c13f 2a06:98c1:50::ac40:213f	amit.ns.cloudflare.com amit.ns.cloudflare.com amit.ns.cloudflare.com amit.ns.cloudflare.com amit.ns.cloudflare.com amit.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
melissa.ns.cloudflare.com	108.162.192.199 172.64.32.199 173.245.58.199 2606:4700:50::adf5:3ac7 2803:f800:50::6ca2:c0c7 2a06:98c1:50::ac40:20c7	melissa.ns.cloudflare.com melissa.ns.cloudflare.com melissa.ns.cloudflare.com melissa.ns.cloudflare.com melissa.ns.cloudflare.com melissa.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 21ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.27.226	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.169.202	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

4 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx4.spamfri.dk	193.200.91.108 2001:67c:564:fffd::4001	mx4.spamfri.dk mx4.spamfri.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS
20	300s	mx3.spamfri.dk	2a00:1b18:2:3:fe::2 62.69.152.43 62.69.152.43	mx3.spamfri.dk 43.34-46.152.69.62.in-addr.arpa mx3.spamfri.dk	AS47527 DLX A/S AS47527 DLX A/S AS47527 DLX A/S
30	300s	mx2.spamfri.dk	193.200.91.109 2001:67c:564:fffd::2001	mx2.spamfri.dk mx2.spamfri.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS
40	300s	mx1.spamfri.dk	195.242.131.16 2001:67c:564:fffd::1001	mx1.spamfri.dk mx1.spamfri.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS

🔷 AAAA Records (IPv6)#

2 records 21ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:1be2	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:a9ca	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 24ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.27.226,172.67.169.202 ech=AEX+DQBBvQAgACDtWAvN1eb7hmAIExFDHE2OrFTt16EwrzMI1DHxBK/tTgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:1be2,2606:4700:3036::ac43:a9ca

📝 TXT Records#

2 records 144ms

TXT Record
[20.05.2026]
v=spf1 +mx +a +ip4:193.200.90.180 +include:_spf.e-studio.dk ~all

✉️ SPF#

Policy	Record (mkb.dk)
~all (soft fail)	v=spf1 +mx +a +ip4:193.200.90.180 +include:_spf.e-studio.dk ~all

📨 DMARC#

Policy	Record (_dmarc.mkb.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:e79c4e291b8d4bf58546634bec548570@dmarc-reports.cloudflare.net

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 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 2026-10-17 18:41:28

www	Exists, no address
www vs bare domain	www does not resolve mkb.dk: 104.21.27.226 172.67.169.202 2606:4700:3032::6815:1be2 2606:4700:3036::ac43:a9ca (AS13335) www.mkb.dk: no address (all like this)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	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.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.mkb.dk	MT0ZgythaKUSRREwIFqT_E-Md-3s0xUXwOtdZvuCf5k
TXT	_acme-challenge.mkb.dk	Sms7bc8MOHAHSoIFUfQk_hGtFFhMXaN-523FHSB_Iio

🔗 TLSA / DANE#

4 records 52ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.spamfri.dk	DANE-EE · SPKI · SHA-256	884451547A03D0AC2F628D943839BAA6…
SMTP _25._tcp.mx2.spamfri.dk	DANE-EE · SPKI · SHA-256	6598C93F79B95376BB8099E9AC862167…
SMTP _25._tcp.mx3.spamfri.dk	DANE-EE · SPKI · SHA-256	BBFB0694919290E5BC9D6E2C6F47D846…
SMTP _25._tcp.mx4.spamfri.dk	DANE-EE · SPKI · SHA-256	4EE743A99328AEF5142706CA5FD3AD61…

🔐 DNSSEC#

95ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2413640040
Primary NS (MNAME)	amit.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-17 18:59:38

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2024-10-10
Expires	2027-10-09 (356d)

🔗 Same registrant#

5 domains

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).

Domain	Registrar
boligkvarter.dk	Punktum dk A/S (direct)
carlsoe.dk	Punktum dk A/S (direct)
hjemid.dk	Punktum dk A/S (direct)
hjemide.dk	Punktum dk A/S (direct)
tanktjek.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

31ms

21ms

32ms

AAAA

21ms

TXT

144ms

CAA

32ms

HTTPS

24ms

TLSA

52ms

SOA

0ms

MTA-STS

49ms

DNSSEC

95ms

SRV

51ms

Total

671ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-17 18:41:28	593ms	2 NS 2 A 4 MX	🔒 Secure
2026-10-01 04:41:36	1969ms	2 NS 2 A 4 MX	🔒 Secure
2026-09-26 03:11:48	2248ms	2 NS 2 A 4 MX	🔒 Secure
2026-09-24 05:05:59	877ms	2 NS 2 A 4 MX	🔒 Secure
2026-09-13 21:43:05	2039ms	2 NS 2 A 4 MX	🔒 Secure
2026-09-06 20:50:34	1773ms	2 NS 2 A 4 MX	🔒 Secure
2026-09-05 04:18:41	1620ms	2 NS 2 A 4 MX	🔒 Secure
2026-09-01 04:03:07 shown	671ms	2 NS 2 A 4 MX	🔒 Secure
2026-08-27 02:01:32	926ms	2 NS 2 A 4 MX	🔒 Secure
2026-08-17 00:14:28	3737ms	2 NS 2 A 4 MX	🔒 Secure
2026-08-14 05:03:59	1885ms	2 NS 2 A 4 MX	🔒 Secure
2026-07-23 03:45:26	1407ms	2 NS 2 A 4 MX	🔒 Secure
2026-07-21 11:41:50	1928ms	2 NS 2 A 4 MX	🔒 Secure
2026-07-02 13:57:11	3303ms	2 NS 2 A 4 MX	🔒 Secure
2026-06-27 04:03:30	1231ms	2 NS 2 A 4 MX	🔒 Secure
2026-06-17 12:13:02	1315ms	2 NS 2 A 4 MX	🔒 Secure