key2know-learning.dk

📜 Historical scan 2026-07-12 16:24:03 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

key2know-learning.dk is a .dk domain served by 2 nameservers (kristin.ns.cloudflare.com, sri.ns.cloudflare.com). It was registered on 28 November 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by key2knowlearning-dk02b.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no 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.

🖥️ Nameservers#

2 records 42ms

Nameserver	IP addresses	PTR	ASN / ISP
kristin.ns.cloudflare.com	108.162.192.181 172.64.32.181 173.245.58.181 2606:4700:50::adf5:3ab5 2803:f800:50::6ca2:c0b5 2a06:98c1:50::ac40:20b5	kristin.ns.cloudflare.com kristin.ns.cloudflare.com kristin.ns.cloudflare.com kristin.ns.cloudflare.com kristin.ns.cloudflare.com kristin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sri.ns.cloudflare.com	108.162.193.234 172.64.33.234 173.245.59.234 2606:4700:58::adf5:3bea 2803:f800:50::6ca2:c1ea 2a06:98c1:50::ac40:21ea	sri.ns.cloudflare.com sri.ns.cloudflare.com sri.ns.cloudflare.com sri.ns.cloudflare.com sri.ns.cloudflare.com sri.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

🌍

No A records found

📧 MX Records#

1 records 81ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	key2knowlearning-dk02b.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::10 2a01:111:f403:ca04::4 2a01:111:f403:ca04::a 52.101.68.12 52.101.68.15 52.101.68.3 52.101.73.2	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-dbapr03cu00100.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-as9pr07cu00302.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 → 40.99.211.24

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 196ms

TXT Record
MS=ms91617485
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (key2know-learning.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-15 17:14:35

www	Exists, no address
www vs bare domain	Neither resolves key2know-learning.dk: no address www.key2know-learning.dk: no address
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#

2 found

Selector	CNAME	Key
s1	s1.domainkey.u5592657.wl158.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u5592657.wl158.sendgrid.net	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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

171ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

0ms

Field	Value
Serial	2409206436
Primary NS (MNAME)	kristin.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-13 10:14:16

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2018-11-28
Expires	2026-11-30 (41d)

🔗 Same registrant#

6 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
articulate.dk	Punktum dk A/S (direct)
e-laering-cfd.dk	Punktum dk A/S (direct)
e-læring.dk	Punktum dk A/S (direct)
k2k.dk	Punktum dk A/S (direct)
key2know.dk	Punktum dk A/S (direct)
mylearning.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

42ms

70ms

81ms

AAAA

83ms

TXT

196ms

CAA

65ms

HTTPS

61ms

TLSA

204ms

SOA

0ms

MTA-STS

72ms

DNSSEC

171ms

SRV

123ms

Total

1345ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 17:14:35	2729ms	2 NS 0 A 1 MX	🔒 Secure
2026-10-04 19:08:51	1886ms	2 NS 0 A 1 MX	🔒 Secure
2026-10-03 18:57:50	989ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-30 18:45:30	802ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-29 15:11:49	1470ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-25 05:42:22	1536ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-24 05:30:14	1243ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-28 13:36:12	1488ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-06 14:00:29	1771ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-05 08:23:32	1872ms	2 NS 0 A 1 MX	🔒 Secure
2026-07-27 17:26:27	9738ms	2 NS 0 A 1 MX	🔒 Secure
2026-07-12 16:24:03 shown	1345ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-28 05:15:08	1771ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-25 18:18:40	1053ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-17 13:10:45	3138ms	2 NS 0 A 1 MX	🔒 Secure