karsten.dk DNS records

🖥️ Nameservers2 records 197ms

Nameserver	IP addresses	PTR	ASN / ISP
ken.ns.cloudflare.com	108.162.193.127 172.64.33.127 173.245.59.127 2606:4700:58::adf5:3b7f 2803:f800:50::6ca2:c17f 2a06:98c1:50::ac40:217f	ken.ns.cloudflare.com ken.ns.cloudflare.com ken.ns.cloudflare.com ken.ns.cloudflare.com ken.ns.cloudflare.com ken.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sonia.ns.cloudflare.com	108.162.194.190 162.159.38.190 172.64.34.190 2606:4700:50::a29f:26be 2803:f800:50::6ca2:c2be 2a06:98c1:50::ac40:22be	sonia.ns.cloudflare.com sonia.ns.cloudflare.com sonia.ns.cloudflare.com sonia.ns.cloudflare.com sonia.ns.cloudflare.com sonia.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 100ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.7.203	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.188.2	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records2 records 130ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx01.mail.icloud.com	17.42.251.62 17.42.251.62 17.42.251.62 17.56.9.31 17.56.9.31 17.57.152.5 17.57.152.5 17.57.152.5 17.57.152.5 17.57.154.33 17.57.154.33 17.57.155.25 17.57.155.25 17.57.156.30 17.57.156.30	mx01.mail.icloud.com mx02.mail.icloud.com mx3.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com ic4-privaterelay.appleid.com smtp1.ic4-privaterelay.appleid.com mx01.mail.icloud.com mx02.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com mx01.mail.icloud.com mx02.mail.icloud.com	AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc.
10	300s	mx02.mail.icloud.com	17.42.251.62 17.42.251.62 17.42.251.62 17.56.9.31 17.56.9.31 17.57.152.5 17.57.152.5 17.57.152.5 17.57.152.5 17.57.154.33 17.57.154.33 17.57.155.25 17.57.155.25 17.57.156.30 17.57.156.30	mx3.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com smtp1.ic4-privaterelay.appleid.com ic4-privaterelay.appleid.com mx01.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com mx02.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com mx01.mail.icloud.com mx02.mail.icloud.com	AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc.

🔷 AAAA Records (IPv6)2 records 190ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:7cb	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:bc02	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 167ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.7.203,172.67.188.2 ech=AEX+DQBBrwAgACDR/vMXsz3LC1mWcNUmQAipLjdk2gO6OTUZCkbWPXA0YgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:7cb,2606:4700:3037::ac43:bc02

📝 TXT Records2 records 496ms

TXT Record
apple-domain=za2hmZT3j4fLfTJn
v=spf1 redirect=icloud.com

✉️ SPF

Policy	Record (karsten.dk)
no all — incomplete SPF	v=spf1 redirect=icloud.com

📨 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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.karsten.dk	c4U7keNlaIDSzk1TtwcIyUegVXak-ecSXVtGWDp1LEY
TXT	_acme-challenge.karsten.dk	GI7Zi-1vxIH37KIPP4q_beBuB9QbbVr_gmHUy-0DPhs

🔗 TLSA / DANE

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

🔐 DNSSEC317ms

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

🏷️ SOA0ms

Field	Value
Serial	2412976955
Primary NS (MNAME)	ken.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

197ms

A

100ms

MX

130ms

AAAA

190ms

TXT

496ms

CAA

118ms

HTTPS

167ms

TLSA

333ms

SOA

0ms

MTA-STS

251ms

DNSSEC

317ms

SRV

292ms

Total

8398ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 01:05:45	2145ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-26 17:37:05	911ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-25 02:03:50	3643ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-24 01:46:34	8398ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-07-23 05:25:22	9934ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-07-18 08:18:49	10983ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-29 01:07:05	1059ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-22 20:35:03	972ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 08:14:50	713ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-17 13:00:44	7194ms	2 NS 2 A 2 MX	🔓 Insecure	View