tldk.dk

📜 Historical scan 2026-08-20 18:31:43 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tldk.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 26 September 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.240.128 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by tldk-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no 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#

2 records 50ms

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 55ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.111.240.128	3600s	—	AS51468	One.com A/S	77.111.240.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	tldk-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::2 2a01:111:f403:ca04::8 2a01:111:f403:ca09::c 52.101.68.12 52.101.68.32 52.101.73.2 52.101.73.22	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-du2pr03cu00102.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-am7pr05cu00106.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)#

1 records 46ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:102:5:756f:ea27:2a46	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 162ms

TXT Record
v=spf1 include:spf.protection.outlook.com include:_custspf.one.com -all

✉️ SPF#

Policy	Record (tldk.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:_custspf.one.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 2026-10-08 05:55:36

www	77.111.240.128 2a02:2350:5:102:5:756f:ea27:2a46 (AS51468) (address records, no CNAME)
www vs bare domain	Same network tldk.dk: 77.111.240.128 2a02:2350:5:102:5:756f:ea27:2a46 (AS51468) www.tldk.dk: 77.111.240.128 2a02:2350:5:102:5:756f:ea27:2a46 (AS51468)
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: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

83ms

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

🏷️ SOA#

61ms

Field	Value
Serial	2026080201
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 2026-10-05 00:08:23

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2017-09-26
Expires	2027-09-30 (344d)

📋 WHOIS#

⏱️ Lookup Timing#

50ms

55ms

37ms

AAAA

46ms

TXT

162ms

CAA

59ms

HTTPS

68ms

TLSA

4034ms

SOA

61ms

MTA-STS

76ms

DNSSEC

83ms

SRV

93ms

Total

9102ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-04 23:59:00	3467ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 23:39:24	931ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-05 02:53:23	714ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-20 18:31:43 shown	9102ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-06 09:15:32	2058ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-31 03:41:38	1116ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-07 04:33:36	17511ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-05 23:55:15	1448ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-27 18:23:47	767ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 16:57:06	961ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 14:51:36	1399ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 04:32:14	688ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 05:48:52	4417ms	2 NS 1 A 1 MX	🔒 Secure