crontab.dk DNS records

🖥️ Nameservers2 records 101ms

Nameserver	IP addresses	PTR	ASN / ISP
dee.ns.cloudflare.com	108.162.192.93 172.64.32.93 173.245.58.93 2606:4700:50::adf5:3a5d 2803:f800:50::6ca2:c05d 2a06:98c1:50::ac40:205d	dee.ns.cloudflare.com dee.ns.cloudflare.com dee.ns.cloudflare.com dee.ns.cloudflare.com dee.ns.cloudflare.com dee.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
marty.ns.cloudflare.com	108.162.193.204 172.64.33.204 173.245.59.204 2606:4700:58::adf5:3bcc 2803:f800:50::6ca2:c1cc 2a06:98c1:50::ac40:21cc	marty.ns.cloudflare.com marty.ns.cloudflare.com marty.ns.cloudflare.com marty.ns.cloudflare.com marty.ns.cloudflare.com marty.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 101ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.62.77	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.221.205	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 101ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:3e4d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::ac43:ddcd	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 95ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.62.77,172.67.221.205 ech=AEX+DQBB+wAgACDawzT1rFwf+a3g6CLEIRL5Zd8McnOzZdOmwjdQ4oZjaQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:3e4d,2606:4700:3032::ac43:ddcd

📝 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
TXT	_acme-challenge.crontab.dk	GcPUpG7gadJKHqmkQ3vb3xdDH4dewXQLf9FBaaiqiFY
TXT	_acme-challenge.crontab.dk	sxcnuoUo0x0IyZe7bCP1D8ByzxbMIKPiVBsZ5sMJ_Es

🔗 TLSA / DANE

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

🔐 DNSSEC251ms

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	2412828054
Primary NS (MNAME)	dee.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

101ms

A

101ms

MX

104ms

AAAA

101ms

TXT

332ms

CAA

99ms

HTTPS

95ms

TLSA

156ms

SOA

0ms

MTA-STS

131ms

DNSSEC

251ms

SRV

190ms

Total

2018ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 08:21:28	747ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-24 01:05:46	916ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-22 21:05:47	2018ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-16 23:50:33	741ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-23 13:53:49	998ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-20 03:22:06	686ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-17 01:39:34	65535ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-16 23:06:29	1477ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-16 23:02:45	332ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-16 23:01:10	471ms	2 NS 2 A 0 MX	🔓 Insecure	View