letkob.dk

📜 Historical scan 2026-06-21 11:11:51 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

letkob.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 10 September 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 62.199.150.153 is hosted by Norlys Telco A/S (AS3308) in Denmark. Mail is handled by letkob-dk.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 155ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 100ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
62.199.150.153	21600s	ip62-199-150-153.ip.asom-net.dk	AS3308	Norlys Telco A/S	62.198.0.0/15	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 99ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	letkob-dk.mail.protection.outlook.com	2a01:111:f403:ca04::e 2a01:111:f403:ca09::1 2a01:111:f403:ca09::e 2a01:111:f403:ca09::f 52.101.68.27 52.101.73.15 52.101.73.19 52.101.73.4	mail-db8pr02cu00106.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as8pr04cu00803.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

🔌 SRV Records#

1 records 156ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 432ms

TXT Record
MS=ms47751066
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (letkob.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 2026-10-13 16:29:39

www	46.30.211.38 (AS51468) (address records, no CNAME)
www vs bare domain	Different networks letkob.dk: 62.199.150.153 (AS3308) www.letkob.dk: 46.30.211.38 (AS51468) (all like this)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 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#

318ms

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

🏷️ SOA#

134ms

Field	Value
Serial	2026032501
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-08 00:27:45

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1998-09-10
Expires	2027-01-31 (99d)

📋 WHOIS#

⏱️ Lookup Timing#

155ms

100ms

99ms

AAAA

94ms

TXT

432ms

CAA

121ms

HTTPS

126ms

TLSA

300ms

SOA

134ms

MTA-STS

99ms

DNSSEC

318ms

SRV

156ms

Total

1250ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 16:29:39	4062ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-08 00:16:57	1743ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-22 04:14:18	4358ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-14 08:45:14	4710ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 11:11:51 shown	1250ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 05:36:59	1100ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 06:47:51	888ms	2 NS 1 A 1 MX	🔒 Secure