karsten.dk DNS records

🖥️ Nameservers2 records 72ms

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 58ms

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 63ms

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	mx02.mail.icloud.com mx3.mail.icloud.com mx01.mail.icloud.com mx01.mail.icloud.com mx02.mail.icloud.com smtp1.ic4-privaterelay.appleid.com mx02.mail.icloud.com mx01.mail.icloud.com ic4-privaterelay.appleid.com mx01.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com mx02.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	mx01.mail.icloud.com mx3.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com mx02.mail.icloud.com ic4-privaterelay.appleid.com mx01.mail.icloud.com mx02.mail.icloud.com smtp1.ic4-privaterelay.appleid.com mx01.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com mx02.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 79ms

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 85ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.7.203,172.67.188.2 ech=AEX+DQBBJwAgACCRob0QTMzoV14Ku+8kQza6//bW0KwRvtMXby5Cf60LXQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:7cb,2606:4700:3037::ac43:bc02

📝 TXT Records2 records 248ms

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

🔗 TLSA / DANE

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

🔐 DNSSEC165ms

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

🏷️ SOA71ms

Field	Value
Serial	2406737809
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

72ms

A

58ms

MX

63ms

AAAA

79ms

TXT

248ms

CAA

63ms

HTTPS

85ms

TLSA

74ms

SOA

71ms

MTA-STS

70ms

DNSSEC

165ms

SRV

95ms

Total

1059ms

🕐 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