ruusbjerg.dk DNS records

🖥️ Nameservers2 records 22ms

Nameserver	IP addresses	PTR	ASN / ISP
burt.ns.cloudflare.com	108.162.193.79 172.64.33.79 173.245.59.79 2606:4700:58::adf5:3b4f 2803:f800:50::6ca2:c14f 2a06:98c1:50::ac40:214f	burt.ns.cloudflare.com burt.ns.cloudflare.com burt.ns.cloudflare.com burt.ns.cloudflare.com burt.ns.cloudflare.com burt.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
cloe.ns.cloudflare.com	108.162.192.86 172.64.32.86 173.245.58.86 2606:4700:50::adf5:3a56 2803:f800:50::6ca2:c056 2a06:98c1:50::ac40:2056	cloe.ns.cloudflare.com cloe.ns.cloudflare.com cloe.ns.cloudflare.com cloe.ns.cloudflare.com cloe.ns.cloudflare.com cloe.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.226.144.235	300s	mail.lurendrejer.dk	AS216275	Netnoerden ApS	91.226.144.0/23	🇩🇰 Denmark	Frederiksberg

📧 MX Records1 records 24ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.lurendrejer.dk	2a13:e744:48ef::5 91.226.144.235	mail.lurendrejer.dk mail.lurendrejer.dk	AS216275 Netnoerden ApS AS216275 Netnoerden ApS

🔷 AAAA Records (IPv6)1 records 26ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a13:e744:48ef:102::2	300s	—	AS216275	Netnoerden ApS	2a13:e740:0:0:0:0:0:0/29	🇩🇰 Denmark	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 177ms

TXT Record
v=spf1 mx -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.ruusbjerg.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc-reports@ruusbjerg.dk; ruf=mailto:dmarc-reports@ruusbjerg.dk; fo=1;

📬 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
CNAME	_acme-challenge.ruusbjerg.dk	_acme-challenge.dethelesejler.dk
TXT	_acme-challenge.dethelesejler.dk	eocMxeBkUqjatr9TU8E_vZHtDqjva2dzdDjyThA0YmQ
TXT	_acme-challenge.dethelesejler.dk	u_pDix-JxGqdx0vIv4Ivwwm8H2w7G_2pgUODl9zji6k

🔗 TLSA / DANE

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

🔐 DNSSEC97ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	2413399417
Primary NS (MNAME)	burt.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

22ms

A

33ms

MX

24ms

AAAA

26ms

TXT

177ms

CAA

30ms

HTTPS

30ms

TLSA

953ms

SOA

0ms

MTA-STS

51ms

DNSSEC

97ms

SRV

49ms

Total

1918ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-29 13:14:34	1918ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 10:04:57	4580ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-23 04:49:17	5150ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-03 16:14:48	2334ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-22 07:41:50	2566ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-13 20:24:41	2886ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-06 09:36:50	3081ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-28 00:06:22	6431ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 01:46:21	1173ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 15:34:48	1989ms	2 NS 1 A 1 MX	🔒 Secure	View