kahart.dk

📜 Historical scan 2026-08-23 18:15:02 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

kahart.dk is a .dk domain served by 2 nameservers (gordon.ns.cloudflare.com, laura.ns.cloudflare.com). It was registered on 11 April 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.93.191 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.improvmx.com, mx2.improvmx.com. The zone is not DNSSEC-signed, publishes a 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 52ms

Nameserver	IP addresses	PTR	ASN / ISP
gordon.ns.cloudflare.com	108.162.193.170 172.64.33.170 173.245.59.170 2606:4700:58::adf5:3baa 2803:f800:50::6ca2:c1aa 2a06:98c1:50::ac40:21aa	gordon.ns.cloudflare.com gordon.ns.cloudflare.com gordon.ns.cloudflare.com gordon.ns.cloudflare.com gordon.ns.cloudflare.com gordon.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
laura.ns.cloudflare.com	108.162.192.183 172.64.32.183 173.245.58.183 2606:4700:50::adf5:3ab7 2803:f800:50::6ca2:c0b7 2a06:98c1:50::ac40:20b7	laura.ns.cloudflare.com laura.ns.cloudflare.com laura.ns.cloudflare.com laura.ns.cloudflare.com laura.ns.cloudflare.com laura.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.93.191	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.214.5	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

2 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx1.improvmx.com	13.37.195.136 15.236.236.160 2a05:d012:412:e201:88aa:e7b9:7a43:12d7 2a05:d012:412:e202:f36:2c1f:1a49:d38a 2a05:d012:412:e203:373a:f51a:4a85:1d25 35.181.18.45	ec2-13-37-195-136.eu-west-3.compute.amazonaws.com ec2-15-236-236-160.eu-west-3.compute.amazonaws.com — — — ec2-35-181-18-45.eu-west-3.compute.amazonaws.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
20	300s	mx2.improvmx.com	13.36.107.63 13.36.222.39 15.236.61.92 2a05:d012:412:e201:1f6e:f6e4:8fd7:4678 2a05:d012:412:e202:e81e:cc44:3b53:8a3d 2a05:d012:412:e203:7e33:3d9c:28d7:ee20	ec2-13-36-107-63.eu-west-3.compute.amazonaws.com ec2-13-36-222-39.eu-west-3.compute.amazonaws.com ec2-15-236-61-92.eu-west-3.compute.amazonaws.com — — —	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	172.67.214.5
🔶 Autoconfig	172.67.214.5

🔷 AAAA Records (IPv6)#

2 records 43ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:5dbf	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::ac43:d605	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 56ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.93.191,172.67.214.5 ech=AEX+DQBB/AAgACB/I4wfVM5Bs1nmbp0bw+TVWGxbKwD3h4EcYXaOuCWQSAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:5dbf,2606:4700:3032::ac43:d605

📝 TXT Records#

1 records 216ms

TXT Record
v=spf1 include:spf.improvmx.com ?all

✉️ SPF#

Policy	Record (kahart.dk)
?all (neutral)	v=spf1 include:spf.improvmx.com ?all

📨 DMARC#

Policy	Record (_dmarc.kahart.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 06:28:46

www	192.0.2.1 (address records, no CNAME)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ?all

warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.kahart.dk	EpMgkiHWeRc4Bqkfr5XEMOnOyMl7TGWEiZJ70Yoole8
TXT	_acme-challenge.kahart.dk	rcJkgpPBxkYDPA7UTRuVyh0OmCjRb2aul3UjvKfYQoY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

9094ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2412942830
Primary NS (MNAME)	gordon.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-11 02:32:46

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2023-04-11
Expires	2027-04-10 (174d)

📋 WHOIS#

⏱️ Lookup Timing#

52ms

45ms

44ms

AAAA

43ms

TXT

216ms

CAA

52ms

HTTPS

56ms

TLSA

88ms

SOA

0ms

MTA-STS

60ms

DNSSEC

9094ms

SRV

82ms

Total

11113ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 06:28:46	3031ms	2 NS 2 A 2 MX	🔓 Insecure
2026-10-11 01:54:43	671ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-30 19:38:32	681ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-18 12:53:20	889ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-15 17:46:57	1483ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-11 16:27:17	2401ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-23 18:15:02 shown	11113ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-20 16:48:47	7729ms	2 NS 2 A 2 MX	🔓 Insecure
2026-07-17 14:01:17	17609ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-27 22:12:49	1021ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-20 06:53:26	1229ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-18 06:18:04	1551ms	2 NS 2 A 2 MX	🔓 Insecure