karsberg.dk

📜 Historical scan 2026-09-19 09:28:00 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

karsberg.dk is a .dk domain served by 4 nameservers (ns1.dotserv.com, ns1.dotserv.net, ns2.dotserv.com and 1 more). It was registered on 17 October 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.245.105.7 is hosted by Microsoft Corporation (AS8075) in Ireland. Mail is handled by ispc2.dotserv.com. The zone is not DNSSEC-signed, 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#

4 records 68ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.dotserv.com	178.20.218.61 2a01:7cc0:101:ffff::51	ns1.dotserv.com ns1.dotserv.com	AS21060 Atea A/S AS21060 Atea A/S
ns1.dotserv.net	178.20.217.29 2a01:7cc0:101:ffff::52	ns1.dotserv.net ns1.dotserv.net	AS21060 Atea A/S AS21060 Atea A/S
ns2.dotserv.com	193.180.214.21	ns2.dotserv.com	AS44803 Webdock.io ApS
ns2.dotserv.net	162.19.249.51 2001:41d0:701:1100::c89e	ns2.dotserv.net ns2.dotserv.net	AS16276 OVH SAS AS16276 OVH SAS

🌍 A Records#

1 records 68ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.245.105.7	3600s	—	AS8075	Microsoft Corporation	94.245.64.0/18	🇮🇪 Ireland	Dublin

📧 MX Records#

1 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
20	3600s	ispc2.dotserv.com	178.20.216.12	ispc2.dotserv.com	AS21060 Atea A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	mail.karsberg.dk → 178.20.216.12

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 284ms

TXT Record
v=spf1 include:_spf.dotserv.com -all

✉️ SPF#

Policy	Record (karsberg.dk)
-all (hard fail)	v=spf1 include:_spf.dotserv.com -all

📨 DMARC#

Policy	Record (_dmarc.karsberg.dk)
p=reject	v=DMARC1; p=reject;

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

2 records 53ms

Flags	Tag	Value
0	issue	comodoca.com
0	issue	letsencrypt.org

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-09 10:03:54

www CNAME	visma-f5.cloudapp.net (all on cloudapp.net) → 0.0.0.0
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

2062ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2020012918
Primary NS (MNAME)	ns1.dotserv.com
Responsible (RNAME)	hostmaster@dotserv.com
Refresh	14400s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	900s

📋 Registration#

WHOIS fetched 2026-10-17 16:11:06

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2000-10-17
Expires	2026-12-31 (71d)

📋 WHOIS#

⏱️ Lookup Timing#

68ms

41ms

AAAA

53ms

TXT

284ms

CAA

53ms

HTTPS

43ms

TLSA

276ms

SOA

0ms

MTA-STS

65ms

DNSSEC

2062ms

SRV

87ms

Total

3152ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 10:03:54	905ms	4 NS 1 A 1 MX	🔓 Insecure
2026-09-19 09:28:00 shown	3152ms	4 NS 1 A 1 MX	🔓 Insecure
2026-09-12 15:21:23	2537ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-18 07:17:50	1333ms	4 NS 1 A 1 MX	🔓 Insecure