ltk.dk

📜 Historical scan 2026-06-24 16:07:34 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ltk.dk is a .dk domain served by 2 nameservers (ns.scannet2.dk, ns2.scannet2.dk). It was registered on 25 February 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.197.250.177 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by ltk-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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 51ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.scannet2.dk	185.25.141.9 2a02:2339:4006:10d::4171:4171	ns1.scannet.dk ns1.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.scannet2.dk	2a02:2339:1:112:0:5:1:b11 91.197.248.72	ns2.scannet.dk ns2.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.197.250.177	600s	lb1.corp.cabana.dk	AS48854	team.blue Denmark A/S	91.197.248.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 49ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	ltk-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca04::a 2a01:111:f403:ca09::2 2a01:111:f403:ca09::8 52.101.73.19 52.101.73.26 52.101.73.30 52.101.73.4	mail-db5pr02cu00100.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-as9pr05cu01302.inbound.protection.outlook.com mail-am7pr05cu00306.inbound.protection.outlook.com mail-am0pr83cu00404.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 → 40.104.116.40

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

11 records 170ms

TXT Record
_9ks3zbn2l0gnspoh80aouxwbnctouqr
_lsurv151y5ppaw3q6c18byqmcugjyax
_yvnqi587bb80w0ue026udsf39blng88
apple-domain-verification=lr7rN65yiN9iD7wL
google-site-verification=HVtiPV2XmRmVBy2yMoMx_WD5CafMyPu06zW0R9lg4ZY
lxmt5f48f6knjhyw9p3f4tll90gzdhrc
ms-domain-verification=e0e750f4-0504-40e9-8a51-bd28980f7987
MS=ms32419584
sf0s02d48qndxd0v023vf6l7hl9yv9z0
shtct0419b45fzwjy50mrb9tsxz8c508
v=spf1 mx ip4:185.158.62.80/32 ip4:193.111.162.2/32 ip4:131.165.67.22/32 ip4:185.116.148.10/32 ip4:54.93.100.106/32 ip4:213.174.69.253/32 include:o._spf.hostedsepo.dk include:spf.protection.outlook.com include:spf.truelink.dk include:_spf.essenslms.com include:_spf.presscloud.com include:spf.topdesk.net include:_spf.signicat.cloud include:_spf.tem.scaleway.com -all

✉️ SPF#

Policy	Record (ltk.dk)
-all (hard fail)	v=spf1 mx ip4:185.158.62.80/32 ip4:193.111.162.2/32 ip4:131.165.67.22/32 ip4:185.116.148.10/32 ip4:54.93.100.106/32 ip4:213.174.69.253/32 include:o._spf.hostedsepo.dk include:spf.protection.outlook.com include:spf.truelink.dk include:_spf.essenslms.com include:_spf.presscloud.com include:spf.topdesk.net include:_spf.signicat.cloud include:_spf.tem.scaleway.com -all

📨 DMARC#

Policy	Record (_dmarc.ltk.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:dc5l3zw9@ag.eu.dmarcadvisor.com; ruf=mailto:dc5l3zw9@fr.eu.dmarcadvisor.com;

📬 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 2026-10-14 16:20:14

www	91.197.250.177 (AS48854) (address records, no CNAME)
www vs bare domain	Same network ltk.dk: 91.197.250.177 (AS48854) www.ltk.dk: 91.197.250.177 (AS48854)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-ltk-dk._domainkey.lyngbytaarbaekkommune.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: 10/10 · policy: -all

warn 10 of the 10 allowed DNS lookups used: one more include can break SPF

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.ltk.dk	_acme-challenge.9ac01310829aae848a5b299bb9e38ac9fdd3e0d949697c77.upcloudlb.com

🔗 TLSA / DANE#

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

🔐 DNSSEC#

95ms

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

🏷️ SOA#

47ms

Field	Value
Serial	2026061001
Primary NS (MNAME)	ns.scannet2.dk
Responsible (RNAME)	hostmaster@scannet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-06 15:56:48

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1998-02-25
Expires	2027-03-31 (160d)

📋 WHOIS#

⏱️ Lookup Timing#

51ms

41ms

49ms

AAAA

31ms

TXT

170ms

CAA

39ms

HTTPS

51ms

TLSA

554ms

SOA

47ms

MTA-STS

39ms

DNSSEC

95ms

SRV

50ms

Total

1196ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-06 15:36:40	2464ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 13:53:40	869ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-21 16:38:35	1404ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-08 14:26:15	1691ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 10:45:41	1099ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 06:12:01	1398ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-25 09:16:13	723ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-10 04:44:38	1859ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 21:43:11	1518ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 16:07:34 shown	1196ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 16:46:34	1161ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-23 12:26:26	1086ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-23 00:08:31	3069ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 15:31:53	967ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 04:54:16	1044ms	2 NS 1 A 1 MX	🔒 Secure