klarcola.dk

📜 Historical scan 2026-10-06 07:23:56 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

klarcola.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 13 November 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by klarcola-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 91ms

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#

🌍

No A records found

📧 MX Records#

1 records 90ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	klarcola-dk.mail.protection.outlook.com	—	—	—

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.149.152
🔶 Autoconfig	www.vennerstrom.dk → 178.20.216.245

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 231ms

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

📝 TXT Records#

2 records 343ms

TXT Record
MS=ms78634450
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (klarcola.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 2026-10-11 13:25:55

www CNAME	www.vennerstrom.dk (all on vennerstrom.dk) → 178.20.216.245 (AS21060)
www vs bare domain	Only www resolves klarcola.dk: no address www.klarcola.dk: 178.20.216.245 (AS21060) (all like this)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.klarcola.dk	www.vennerstrom.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

291ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

70ms

Field	Value
Serial	2026100501
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 21:46:46

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2007-11-13
Expires	2026-11-30 (39d)

📋 WHOIS#

⏱️ Lookup Timing#

91ms

90ms

AAAA

83ms

TXT

343ms

CAA

106ms

HTTPS

93ms

TLSA

809ms

SOA

70ms

MTA-STS

194ms

DNSSEC

291ms

SRV

231ms

Total

1834ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-11 13:25:55	1213ms	2 NS 0 A 1 MX	🔒 Secure
2026-10-06 07:23:56 shown	1834ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-30 06:02:58	1116ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-28 08:36:31	1373ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-23 01:37:18	1018ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-01 13:03:28	720ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-27 22:54:10	1130ms	2 NS 0 A 1 MX	🔒 Secure
2026-07-02 16:28:44	686ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-24 09:55:19	1176ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 11:37:32	2757ms	2 NS 0 A 1 MX	🔒 Secure