rosenbrock.dk DNS records

🖥️ Nameservers2 records 123ms

Nameserver	IP addresses	PTR	ASN / ISP
aiden.ns.cloudflare.com	108.162.193.55 172.64.33.55 173.245.59.55 2606:4700:58::adf5:3b37 2803:f800:50::6ca2:c137 2a06:98c1:50::ac40:2137	aiden.ns.cloudflare.com aiden.ns.cloudflare.com aiden.ns.cloudflare.com aiden.ns.cloudflare.com aiden.ns.cloudflare.com aiden.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sofia.ns.cloudflare.com	108.162.192.223 172.64.32.223 173.245.58.223 2606:4700:50::adf5:3adf 2803:f800:50::6ca2:c0df 2a06:98c1:50::ac40:20df	sofia.ns.cloudflare.com sofia.ns.cloudflare.com sofia.ns.cloudflare.com sofia.ns.cloudflare.com sofia.ns.cloudflare.com sofia.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 108ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.66.124	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.159.232	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records3 records 202ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	300s	mx1-hosting.jellyfish.systems	162.255.118.28	oxse3a.privateemail.com	AS22612 Namecheap, Inc.
10	300s	mx2-hosting.jellyfish.systems	162.255.118.29	oxse2b.privateemail.com	AS22612 Namecheap, Inc.
20	300s	mx3-hosting.jellyfish.systems	162.255.118.13	mx3-hosting.jellyfish.systems	AS22612 Namecheap, Inc.

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	172.67.159.232
🔶 Autoconfig	172.67.159.232

🔷 AAAA Records (IPv6)2 records 193ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::6815:427c	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:9fe8	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 121ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.66.124,172.67.159.232 ech=AEX+DQBBrAAgACD7pK1tlgG39m7E1K/ZTwvGupshOLqXpCsVpo/Tm8SiAQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:427c,2606:4700:3035::ac43:9fe8

🔌 SRV Records1 records 202ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	cpanelemaildiscovery.cpanel.net

📝 TXT Records1 records 362ms

TXT Record
v=spf1 +a +mx +ip4:192.64.117.175 +ip4:192.64.117.186 include:spf.web-hosting.com ~all

✉️ SPF

Policy	Record (rosenbrock.dk)
~all (soft fail)	v=spf1 +a +mx +ip4:192.64.117.175 +ip4:192.64.117.186 include:spf.web-hosting.com ~all

📨 DMARC

Policy	Record (_dmarc.rosenbrock.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@rosenbrock.dk; ruf=mailto:faileddmarc@rosenbrock.dk; rf=afrf; fo=0:1:d:s; pct=100; ri=42320; adkim=s; aspf=s

📬 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)

🔐 DNSSEC272ms

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	2411332695
Primary NS (MNAME)	aiden.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

123ms

A

108ms

MX

202ms

AAAA

193ms

TXT

362ms

CAA

196ms

HTTPS

121ms

TLSA

454ms

SOA

0ms

MTA-STS

160ms

DNSSEC

272ms

SRV

202ms

Total

2083ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-06 05:13:12	2083ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-07-19 11:21:14	9593ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-07-01 00:51:37	1344ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-06-27 15:43:18	2307ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-06-17 22:33:25	1332ms	2 NS 2 A 3 MX	🔓 Insecure	View