systemlab.dk DNS records

🖥️ Nameservers2 records 49ms

Nameserver	IP addresses	PTR	ASN / ISP
randall.ns.cloudflare.com	108.162.195.235 162.159.44.235 172.64.35.235 2606:4700:58::a29f:2ceb 2803:f800:50::6ca2:c3eb 2a06:98c1:50::ac40:23eb	randall.ns.cloudflare.com randall.ns.cloudflare.com randall.ns.cloudflare.com randall.ns.cloudflare.com randall.ns.cloudflare.com randall.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
zoe.ns.cloudflare.com	108.162.192.149 172.64.32.149 173.245.58.149 2606:4700:50::adf5:3a95 2803:f800:50::6ca2:c095 2a06:98c1:50::ac40:2095	zoe.ns.cloudflare.com zoe.ns.cloudflare.com zoe.ns.cloudflare.com zoe.ns.cloudflare.com zoe.ns.cloudflare.com zoe.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 55ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.22.107	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.204.97	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 49ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	blarke.net	193.181.212.191	blarke.net	AS44803 Webdock.io ApS

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	systemlab.dk → 193.181.212.191
🔶 Autoconfig	systemlab.dk → 193.181.212.191

🔷 AAAA Records (IPv6)2 records 40ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:166b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:cc61	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 52ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.22.107,172.67.204.97 ech=AEX+DQBBUwAgACDtz0xXFa6YOicPMmN+XGKiPyTwt+JNEAXeIy0MBLqWKQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:166b,2606:4700:3033::ac43:cc61

📝 TXT Records1 records 154ms

TXT Record
v=spf1 mx:systemlab.dk ~all

✉️ SPF

Policy	Record (systemlab.dk)
~all (soft fail)	v=spf1 mx:systemlab.dk ~all

📨 DMARC

Policy	Record (_dmarc.systemlab.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:info@blarke.net

📬 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.systemlab.dk	systemlab.dk

🔗 TLSA / DANE

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

🔐 DNSSEC114ms

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	2407986913
Primary NS (MNAME)	randall.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

49ms

A

55ms

MX

49ms

AAAA

40ms

TXT

154ms

CAA

34ms

HTTPS

52ms

TLSA

103ms

SOA

0ms

MTA-STS

74ms

DNSSEC

114ms

SRV

79ms

Total

1204ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 13:09:32	803ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-26 11:40:55	852ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-25 05:49:18	2722ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-09 13:20:37	1517ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-30 17:40:42	1962ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-19 15:07:36	1190ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-08 20:27:59	17095ms	2 NS 2 A 1 MX	❓ Unknown	View
2026-06-30 06:37:06	1204ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-26 04:34:32	936ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-20 04:20:08	2822ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 16:07:41	3947ms	2 NS 1 A 1 MX	🔓 Insecure	View