mcknn.dk

📜 Historical scan 2026-09-28 15:42:54 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

mcknn.dk is a .dk domain served by 2 nameservers (lana.ns.cloudflare.com, rick.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.30.25 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.appscaptain.com, mxbackup1.junkemailfilter.com and 1 more. 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 26ms

Nameserver	IP addresses	PTR	ASN / ISP
lana.ns.cloudflare.com	108.162.192.182 172.64.32.182 173.245.58.182 2606:4700:50::adf5:3ab6 2803:f800:50::6ca2:c0b6 2a06:98c1:50::ac40:20b6	lana.ns.cloudflare.com lana.ns.cloudflare.com lana.ns.cloudflare.com lana.ns.cloudflare.com lana.ns.cloudflare.com lana.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
rick.ns.cloudflare.com	108.162.193.139 172.64.33.139 173.245.59.139 2606:4700:58::adf5:3b8b 2803:f800:50::6ca2:c18b 2a06:98c1:50::ac40:218b	rick.ns.cloudflare.com rick.ns.cloudflare.com rick.ns.cloudflare.com rick.ns.cloudflare.com rick.ns.cloudflare.com rick.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 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.30.25	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.150.110	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

3 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	300s	mail.appscaptain.com	31.59.129.38	—	AS214481 Wojciech Czapkowicz
10	300s	mxbackup1.junkemailfilter.com	184.105.182.144	144-he.filtered.junkemailfilter.com	AS6939 Hurricane Electric LLC
15	300s	mxbackup2.junkemailfilter.com	184.105.182.214 184.105.182.215 184.105.182.216 184.105.182.224 184.105.182.225 184.105.182.226	— — — — — —	AS6939 Hurricane Electric LLC AS6939 Hurricane Electric LLC AS6939 Hurricane Electric LLC AS6939 Hurricane Electric LLC AS6939 Hurricane Electric LLC AS6939 Hurricane Electric LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	172.67.150.110
🔶 Autoconfig	176.126.85.169

🔷 AAAA Records (IPv6)#

2 records 36ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:1e19	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::ac43:966e	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 34ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.30.25,172.67.150.110 ech=AEX+DQBB/wAgACBHIVaCypVRzKSbJ6cS/hHY7R4sQz6Y9Fo5o4Y/xg4ISwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:1e19,2606:4700:3032::ac43:966e

📝 TXT Records#

1 records 184ms

TXT Record
v=spf1 include:mail.appscaptain.com include:spf.stackmail.com a mx -all

✉️ SPF#

Policy	Record (mcknn.dk)
-all (hard fail)	v=spf1 include:mail.appscaptain.com include:spf.stackmail.com a mx -all

📨 DMARC#

Policy	Record (_dmarc.mcknn.dk)
p=none (monitor only)	v=DMARC1;p=none;sp=none;adkim=r;aspf=r;pct=100;rf=afrf;ri=86400

📬 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 2026-10-09 13:51:02

www	104.21.30.25 172.67.150.110 2606:4700:3030::6815:1e19 2606:4700:3032::ac43:966e (AS13335) (address records, no CNAME)
www vs bare domain	Same network mcknn.dk: 104.21.30.25 172.67.150.110 2606:4700:3030::6815:1e19 2606:4700:3032::ac43:966e (AS13335) www.mcknn.dk: 104.21.30.25 172.67.150.110 2606:4700:3030::6815:1e19 2606:4700:3032::ac43:966e (AS13335)
Wildcard	Yes: any name under the zone resolves

✍️ DKIM keys#

1 found

Selector	CNAME	Key
dkim	—	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: 4/10 · policy: -all

error include:mail.appscaptain.com has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.mcknn.dk	gxpmQoXIlyXSt9Azgjc6u8Ydeq2yweGSNb75ziVzBAs
TXT	_acme-challenge.mcknn.dk	ynjNLmOYKIlqRU6CBji5zx9pDKUnI10soGokWYdIZrk

🔗 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	2416085825
Primary NS (MNAME)	lana.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#

26ms

43ms

32ms

AAAA

36ms

TXT

184ms

CAA

31ms

HTTPS

34ms

TLSA

617ms

SOA

0ms

MTA-STS

60ms

DNSSEC

113ms

SRV

75ms

Total

1552ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 13:51:02	1355ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-30 21:29:19	1178ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-29 15:53:06	1179ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-28 15:42:54 shown	1552ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-09 22:05:15	2291ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-02 21:52:10	3323ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-06 04:41:59	2260ms	2 NS 2 A 3 MX	🔓 Insecure
2026-07-08 22:20:08	2990ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-20 17:39:49	3367ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-17 22:35:09	3617ms	2 NS 2 A 3 MX	🔓 Insecure