koebbremser.dk DNS records

🖥️ Nameservers2 records 39ms

Nameserver	IP addresses	PTR	ASN / ISP
amir.ns.cloudflare.com	108.162.193.62 172.64.33.62 173.245.59.62 2606:4700:58::adf5:3b3e 2803:f800:50::6ca2:c13e 2a06:98c1:50::ac40:213e	amir.ns.cloudflare.com amir.ns.cloudflare.com amir.ns.cloudflare.com amir.ns.cloudflare.com amir.ns.cloudflare.com amir.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
dorthy.ns.cloudflare.com	108.162.192.249 172.64.32.249 173.245.58.249 2606:4700:50::adf5:3af9 2803:f800:50::6ca2:c0f9 2a06:98c1:50::ac40:20f9	dorthy.ns.cloudflare.com dorthy.ns.cloudflare.com dorthy.ns.cloudflare.com dorthy.ns.cloudflare.com dorthy.ns.cloudflare.com dorthy.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 30ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.18.38.185	300s	—	AS13335	Cloudflare, Inc.	104.16.0.0/14	—	—
172.64.149.71	300s	—	AS13335	Cloudflare, Inc.	172.64.144.0/20	—	—

📧 MX Records1 records 24ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	smtp2.delti.com	2001:67c:568:10::200 91.231.97.49	smtp2.delti.com smtp2.delti.com	AS57533 Delticom Ag AS57533 Delticom Ag

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	172.64.149.71
🔶 Autoconfig	172.64.149.71

🔷 AAAA Records (IPv6)2 records 43ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:4400::ac40:9547	300s	—	AS13335	Cloudflare, Inc.	2606:4700:4400:0:0:0:0:0/44	—	—
2606:4700:4402::6812:26b9	300s	—	AS13335	Cloudflare, Inc.	2606:4700:4400:0:0:0:0:0/44	—	—

🔐 HTTPS Records1 records 35ms

Priority	Target	SvcParams
1 service	.	alpn="h2" ipv4hint=104.18.38.185,172.64.149.71 ipv6hint=2606:4700:4400::ac40:9547,2606:4700:4402::6812:26b9

📝 TXT Records1 records 173ms

TXT Record
v=spf1 ip4:91.231.97.0/24 ip6:2001:67c:568::/58 ptr mx -all

✉️ SPF

Policy	Record (koebbremser.dk)
-all (hard fail)	v=spf1 ip4:91.231.97.0/24 ip6:2001:67c:568::/58 ptr mx -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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.koebbremser.dk	q866ISkoo6ko7fXsZR3QB4QL3o2dSFOxSPbRjjPdW4M
TXT	_acme-challenge.koebbremser.dk	qGIsk6x5A4c1C7Tk24mM0JUt1WtvW4ZHAZpTJ8aylv4

🔗 TLSA / DANE

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

🔐 DNSSEC114ms

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	2413549061
Primary NS (MNAME)	amir.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

39ms

A

30ms

MX

24ms

AAAA

43ms

TXT

173ms

CAA

39ms

HTTPS

35ms

TLSA

104ms

SOA

0ms

MTA-STS

45ms

DNSSEC

114ms

SRV

57ms

Total

2067ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 10:39:17	2067ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-30 01:55:39	1960ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-27 15:07:19	1028ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-26 14:30:25	878ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-23 23:55:35	6976ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-06 15:15:07	1449ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-17 16:09:53	1164ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-28 01:53:00	2645ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-25 03:52:54	946ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 14:24:17	1438ms	2 NS 2 A 1 MX	🔓 Insecure	View