frederikkrogh.dk DNS records

🖥️ Nameservers2 records 27ms

Nameserver	IP addresses	PTR	ASN / ISP
katja.ns.cloudflare.com	108.162.194.53 162.159.38.53 172.64.34.53 2606:4700:50::a29f:2635 2803:f800:50::6ca2:c235 2a06:98c1:50::ac40:2235	katja.ns.cloudflare.com katja.ns.cloudflare.com katja.ns.cloudflare.com katja.ns.cloudflare.com katja.ns.cloudflare.com katja.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
zod.ns.cloudflare.com	108.162.193.250 172.64.33.250 173.245.59.250 2606:4700:58::adf5:3bfa 2803:f800:50::6ca2:c1fa 2a06:98c1:50::ac40:21fa	zod.ns.cloudflare.com zod.ns.cloudflare.com zod.ns.cloudflare.com zod.ns.cloudflare.com zod.ns.cloudflare.com zod.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 29ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.40.203	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.157.6	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx.sunstack.eu	167.233.87.220	mx.sunstack.eu	AS24940 Hetzner Online GmbH

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	mx.sunstack.eu → 167.233.87.220
🔶 Autoconfig	mx.sunstack.eu → 167.233.87.220

🔷 AAAA Records (IPv6)2 records 36ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3036::6815:28cb	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:9d06	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 26ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.40.203,172.67.157.6 ech=AEX+DQBBuAAgACBUiZzoF+8Qp/q0L7Fr7o9wQWl41LLlrVZI/zMql40BGAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3036::6815:28cb,2606:4700:3037::ac43:9d06

🔌 SRV Records1 records 1215ms

Service	Priority	Weight	Port	Target
_imaps._tcp	0	1	993	mx.sunstack.eu

📝 TXT Records1 records 153ms

TXT Record
v=spf1 mx -all

✉️ SPF

Policy	Record (frederikkrogh.dk)
-all (hard fail)	v=spf1 mx -all

📨 DMARC

Policy	Record (_dmarc.frederikkrogh.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:postmaster@frederikkrogh.dk

📬 MTA-STS153ms

Check	Result
Status	⚠️ Invalid
TXT record (_mta-sts)	✓ Found
HTTPS policy	✗ Missing / invalid
Policy ID	9123682475574115667
Policy MX	—

📈 TLSRPT

Status	Report address (rua)
✓ Enabled	mailto:postmaster@frederikkrogh.dk

📜 CAA Records

✗ No CAA records — any CA may issue certificates

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.frederikkrogh.dk	JcC5eE3XzoEIKihaucAxObcaJtHmysBNf9myhU1BQIE
TXT	_acme-challenge.frederikkrogh.dk	RP9rIcktCgc7_BgJfIvbTatU0kgeIFwO3CLxe04QZZU
TXT	_acme-challenge.frederikkrogh.dk	hH0vZIE5Rt15Ji6citub1-x0pBonGRsRrgkOsVhxcrs

🔗 TLSA / DANE

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

🔐 DNSSEC105ms

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

🏷️ SOA0ms

Field	Value
Serial	2413555069
Primary NS (MNAME)	katja.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

27ms

A

29ms

MX

35ms

AAAA

36ms

TXT

153ms

CAA

27ms

HTTPS

26ms

TLSA

69ms

SOA

0ms

MTA-STS

153ms

DNSSEC

105ms

SRV

1215ms

Total

2699ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 05:09:13	2699ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-24 22:41:28	1409ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-18 16:16:29	3762ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-17 01:41:00	1274ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-14 00:20:33	1568ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-05 21:44:39	2709ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-08-03 07:48:36	2387ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-07-20 19:55:09	28360ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-07-09 04:51:17	11463ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-06-17 10:17:46	3246ms	2 NS 2 A 3 MX	🔓 Insecure	View