runlevel0.dk DNS records

🖥️ Nameservers2 records 39ms

Nameserver	IP addresses	PTR	ASN / ISP
fred.ns.cloudflare.com	108.162.193.113 172.64.33.113 173.245.59.113 2606:4700:58::adf5:3b71 2803:f800:50::6ca2:c171 2a06:98c1:50::ac40:2171	fred.ns.cloudflare.com fred.ns.cloudflare.com fred.ns.cloudflare.com fred.ns.cloudflare.com fred.ns.cloudflare.com fred.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
kia.ns.cloudflare.com	108.162.192.179 172.64.32.179 173.245.58.179 2606:4700:50::adf5:3ab3 2803:f800:50::6ca2:c0b3 2a06:98c1:50::ac40:20b3	kia.ns.cloudflare.com kia.ns.cloudflare.com kia.ns.cloudflare.com kia.ns.cloudflare.com kia.ns.cloudflare.com kia.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.11.93	600s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.165.182	600s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records2 records 61ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	mx1.forwardmx.io	5.78.45.44	mx1.mailforward.net	AS212317 Hetzner Online GmbH
20	600s	mx2.forwardmx.io	5.78.45.44	mx1.mailforward.net	AS212317 Hetzner Online GmbH

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	runlevel0.dk → 192.30.252.154
🔶 Autoconfig	runlevel0.dk → 192.30.252.153

🔷 AAAA Records (IPv6)2 records 38ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:a5b6	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3031::6815:b5d	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 61ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=188.114.96.1,188.114.97.1 ech=AEX+DQBBlAAgACDX+49OxQrVL+I22MVcTS1ZKEqGBb+rY52oKOXV03b0bQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::1,2a06:98c1:3121::1

📝 TXT Records

📝

No TXT records found

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 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
CNAME	_acme-challenge.runlevel0.dk	runlevel0.dk

🔗 TLSA / DANE

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

🔐 DNSSEC83ms

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

🏷️ SOA57ms

Field	Value
Serial	2406575549
Primary NS (MNAME)	fred.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

35ms

MX

61ms

AAAA

38ms

TXT

156ms

CAA

46ms

HTTPS

61ms

TLSA

121ms

SOA

57ms

MTA-STS

64ms

DNSSEC

83ms

SRV

68ms

Total

653ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-29 12:23:52	2935ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-28 05:50:20	1268ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-26 19:12:32	2823ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-08 10:18:49	1285ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-07-02 21:30:05	1782ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-19 19:27:18	653ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-18 06:11:30	955ms	2 NS 2 A 2 MX	🔓 Insecure	View