krelskov.dk DNS records

🖥️ Nameservers2 records 44ms

Nameserver	IP addresses	PTR	ASN / ISP
jean.ns.cloudflare.com	108.162.192.121 172.64.32.121 173.245.58.121 2606:4700:50::adf5:3a79 2803:f800:50::6ca2:c079 2a06:98c1:50::ac40:2079	jean.ns.cloudflare.com jean.ns.cloudflare.com jean.ns.cloudflare.com jean.ns.cloudflare.com jean.ns.cloudflare.com jean.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
keenan.ns.cloudflare.com	108.162.195.11 162.159.44.11 172.64.35.11 2606:4700:58::a29f:2c0b 2803:f800:50::6ca2:c30b 2a06:98c1:50::ac40:230b	keenan.ns.cloudflare.com keenan.ns.cloudflare.com keenan.ns.cloudflare.com keenan.ns.cloudflare.com keenan.ns.cloudflare.com keenan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.59.117	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.177.48	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	mx.simply.com	94.231.106.20	mx.simply.com	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	104.21.59.117
🔶 Autoconfig	172.67.177.48

🔷 AAAA Records (IPv6)2 records 42ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:3b75	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:b130	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 45ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.59.117,172.67.177.48 ech=AEX+DQBB7gAgACAqV7TUUYN2yGAxT9I1aGGgnh9ZZ4qUh4/WCvwVRXeRXwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:3b75,2606:4700:3033::ac43:b130

📝 TXT Records1 records 211ms

TXT Record
v=spf1 include:_spf.mx.cloudflare.net ~all

✉️ SPF

Policy	Record (krelskov.dk)
~all (soft fail)	v=spf1 include:_spf.mx.cloudflare.net ~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

🔗 TLSA / DANE2 records 81ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	A9D603AF4D7ED6B9246B4B68500CD6F2…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	97A3BA009F39C761BFFB6574340E8138…

🔐 DNSSEC9092ms

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	2412840343
Primary NS (MNAME)	jean.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

44ms

A

44ms

MX

45ms

AAAA

42ms

TXT

211ms

CAA

46ms

HTTPS

45ms

TLSA

81ms

SOA

0ms

MTA-STS

61ms

DNSSEC

9092ms

SRV

71ms

Total

10058ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-22 12:22:03	10058ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-14 00:44:15	3418ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-08 20:56:29	968ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-22 03:20:23	1774ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-09 03:46:27	2209ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-28 12:06:16	768ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-22 17:47:37	892ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-19 22:45:45	812ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-18 07:04:06	16185ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-18 06:26:02	1086ms	2 NS 2 A 1 MX	🔒 Secure	View