knowit.dk

📜 Historical scan 2026-06-23 21:12:10 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

knowit.dk is a .dk domain served by 4 nameservers (ns-1502.awsdns-59.org, ns-1573.awsdns-04.co.uk, ns-428.awsdns-53.com and 1 more). It was registered on 19 January 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.114.94.2 is hosted by Optimizely AB (AS30811) in Sweden. Mail is handled by knowit-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#

4 records 219ms

Nameserver	IP addresses	PTR	ASN / ISP
ns-1502.awsdns-59.org	205.251.197.222 2600:9000:5305:de00::1	ns-1502.awsdns-59.org ns-1502.awsdns-59.org	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-1573.awsdns-04.co.uk	205.251.198.37 2600:9000:5306:2500::1	ns-1573.awsdns-04.co.uk ns-1573.awsdns-04.co.uk	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-428.awsdns-53.com	205.251.193.172 2600:9000:5301:ac00::1	ns-428.awsdns-53.com ns-428.awsdns-53.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-706.awsdns-24.net	205.251.194.194 2600:9000:5302:c200::1	ns-706.awsdns-24.net ns-706.awsdns-24.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

🌍 A Records#

1 records 226ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
217.114.94.2	300s	—	AS30811	Optimizely AB	217.114.94.0/24	🇸🇪 Sweden	—

📧 MX Records#

1 records 206ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	knowit-dk.mail.protection.outlook.com	52.101.68.16 52.101.68.27 52.101.73.16 52.101.73.28	mail-db4pr02cu00400.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am7pr05cu00204.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.253.56

🔷 AAAA Records (IPv6)#

1 records 224ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a00:1c50:94::2	3600s	—	AS30811	Optimizely AB	2a00:1c50:94:0:0:0:0:0/48	🇸🇪 Sweden	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 342ms

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

📝 TXT Records#

10 records 445ms

TXT Record
anthropic-domain-verification-sbzy1f=4inWaIhHqi0oI8KTOE9O8dt9I
e6l49gbfdoqf813107bf2gljbq
figma-domain-verification=e66bc241d6bb62b83b0a7d615e27ec2e1a7cce345a9bad3f893f58bcea3d75b2-1757573111
google-gws-recovery-domain-verification=47378939
google-site-verification=1JPIbeRITEwZhGtIruQ13jM_8Om1VUr3hPUuPE8aRWc
google-site-verification=4xhzc41GWpMGzSb-hsQG4eATgawzyjGFeqYoxgQVsEk
google-site-verification=62xQcp_PBION9vT5FS9KMGXAjgzMMFcTFMi38nrXio4
openai-domain-verification=dv-E0ZMQJ8kZT3SyUb53rKdreXX
v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
ZOOM_verify_JLmln9XsTPOwv0IWK3REUw

✉️ SPF#

Policy	Record (knowit.dk)
~all (soft fail)	v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all

📨 DMARC#

Policy	Record (_dmarc.knowit.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:dmarc_agg@vali.email

📬 MTA-STS#

623ms

Check	Result
Status	⚠️ Invalid
TXT record (_mta-sts)	✓ Found
HTTPS policy	✗ Missing / invalid
Policy ID	20260408130613Z
Policy MX	—

📈 TLSRPT#

Status	Report address (rua)
✓ Enabled	mailto:tls-report@vali.email

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-10 11:44:41

www CNAME	www.knowit.dk.dxcloud.episerver.net (all on episerver.net) → 104.18.40.181 172.64.147.75 2a06:98c1:3101::6812:28b5 2a06:98c1:3103::ac40:934b (AS13335)
www vs bare domain	Different networks knowit.dk: 217.114.94.2 2a00:1c50:94::2 (AS30811) www.knowit.dk: 104.18.40.181 172.64.147.75 2a06:98c1:3101::6812:28b5 2a06:98c1:3103::ac40:934b (AS13335) (all like this)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-knowit-dk._domainkey.knowit.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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

278ms

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

🏷️ SOA#

207ms

Field	Value
Serial	1
Primary NS (MNAME)	ns-1502.awsdns-59.org
Responsible (RNAME)	awsdns-hostmaster@amazon.com
Refresh	7200s
Retry	900s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-17 01:01:33

Field	Value
Registrar	NETIM
Registered	2010-01-19
Expires	2027-01-31 (106d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

219ms

226ms

206ms

AAAA

224ms

TXT

445ms

CAA

203ms

HTTPS

208ms

TLSA

4032ms

SOA

207ms

MTA-STS

623ms

DNSSEC

278ms

SRV

342ms

Total

6375ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 05:46:57	7544ms	4 NS 1 A 1 MX	🔓 Insecure
2026-09-30 19:49:38	7961ms	4 NS 1 A 1 MX	🔓 Insecure
2026-08-26 00:58:15	8294ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-28 05:15:11	5756ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-25 17:25:23	3928ms	4 NS 1 A 0 MX	🔓 Insecure
2026-06-23 21:12:10 shown	6375ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-23 03:27:14	1119ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 06:38:26	6156ms	4 NS 1 A 1 MX	🔓 Insecure