knowhowdata.dk

📜 Historical scan 2026-07-28 01:44:41 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

knowhowdata.dk is a .dk domain served by 2 nameservers (patrick.ns.cloudflare.com, tessa.ns.cloudflare.com). It was registered on 2 October 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.156.124 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by knowhowdata-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a 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 33ms

Nameserver	IP addresses	PTR	ASN / ISP
patrick.ns.cloudflare.com	108.162.195.200 162.159.44.200 172.64.35.200 2606:4700:58::a29f:2cc8 2803:f800:50::6ca2:c3c8 2a06:98c1:50::ac40:23c8	patrick.ns.cloudflare.com patrick.ns.cloudflare.com patrick.ns.cloudflare.com patrick.ns.cloudflare.com patrick.ns.cloudflare.com patrick.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
tessa.ns.cloudflare.com	108.162.194.229 162.159.38.229 172.64.34.229 2606:4700:50::a29f:26e5 2803:f800:50::6ca2:c2e5 2a06:98c1:50::ac40:22e5	tessa.ns.cloudflare.com tessa.ns.cloudflare.com tessa.ns.cloudflare.com tessa.ns.cloudflare.com tessa.ns.cloudflare.com tessa.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 71ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.124	300s	linux242.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 48ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	knowhowdata-dk.mail.protection.outlook.com	2a01:111:f403:ca09::6 2a01:111:f403:ca09::8 2a01:111:f403:ca09::b 2a01:111:f403:ca09::f 52.101.68.27 52.101.73.11 52.101.73.16 52.101.73.8	mail-am4pr0401cu00106.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am0pr04cu00500.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 → 40.101.27.80
🔶 Autoconfig	knowhowdata.dk → 93.191.156.124

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 16052ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

4 records 631ms

TXT Record
have-i-been-pwned-verification=d1df287bcb4aa1a26d07de8a3ffd62de
MS=ms24245510
MS=ms55547983
v=spf1 a ip4:85.235.243.93 ip4:85.235.243.99 ip4:93.90.117.1/24 ip4:93.90.115.1/24 ip4:62.242.39.106/24 include:spf.protection.outlook.com include:web.shared.mysmtp.com -all

✉️ SPF#

Policy	Record (knowhowdata.dk)
-all (hard fail)	v=spf1 a ip4:85.235.243.93 ip4:85.235.243.99 ip4:93.90.117.1/24 ip4:93.90.115.1/24 ip4:62.242.39.106/24 include:spf.protection.outlook.com include:web.shared.mysmtp.com -all

📨 DMARC#

Policy	Record (_dmarc.knowhowdata.dk)
p=quarantine	v=DMARC1;p=quarantine;pct=100;rua=mailto:76be5e2ffa714aa4bf0a1f158ca1bda1@dmarc-reports.cloudflare.net;ri=86400;aspf=s;adkim=s;fo=1;

📬 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 2026-10-16 21:08:25

www	93.191.156.124 (AS48854) (address records, no CNAME)
www vs bare domain	Same network knowhowdata.dk: 93.191.156.124 (AS48854) www.knowhowdata.dk: 93.191.156.124 (AS48854)
Wildcard	Yes: any name under the zone resolves

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-knowhowdata-dk._domainkey.knowhowdata.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: 6/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.knowhowdata.dk	knowhowdata.dk
TXT	knowhowdata.dk	have-i-been-pwned-verification=d1df287bcb4aa1a26d07de8a3ffd62de

🔗 TLSA / DANE#

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

🔐 DNSSEC#

151ms

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	2410658930
Primary NS (MNAME)	patrick.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-07 22:28:10

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1997-10-02
Expires	2026-12-31 (72d)

📋 WHOIS#

⏱️ Lookup Timing#

33ms

71ms

48ms

AAAA

40ms

TXT

631ms

CAA

53ms

HTTPS

58ms

TLSA

16031ms

SOA

0ms

MTA-STS

92ms

DNSSEC

151ms

SRV

16052ms

Total

32988ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 21:08:25	1386ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-09 14:03:14	1013ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-07 21:53:41	1849ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-30 20:43:09	993ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-25 22:57:56	955ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-24 22:42:24	1662ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-22 03:45:59	1575ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-13 08:07:33	1203ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-02 22:08:58	1341ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-27 16:44:13	1279ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-26 15:25:47	2300ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-17 02:01:30	2348ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-10 01:09:54	2141ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-28 01:44:41 shown	32988ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-16 16:23:56	2185ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-30 23:39:43	1016ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-24 04:38:23	1233ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-18 05:33:00	3151ms	2 NS 1 A 1 MX	🔓 Insecure