crontab.dk

📜 Historical scan 2026-08-22 21:05:47 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

crontab.dk is a .dk domain served by 2 nameservers (dee.ns.cloudflare.com, marty.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.62.77 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 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 Records#

2 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 Records#

1 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-09 01:57:24

www	NXDOMAIN
www vs bare domain	www does not resolve crontab.dk: 104.21.62.77 172.67.221.205 2606:4700:3032::6815:3e4d 2606:4700:3032::ac43:ddcd (AS13335) www.crontab.dk: no address (all like this)
Wildcard	No

🔏 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)

🔐 DNSSEC#

251ms

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

🏷️ SOA#

0ms

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 yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

101ms

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
2026-10-09 01:57:24	961ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-01 06:02:38	504ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-19 20:47:04	3481ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-14 02:00:12	901ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-28 08:21:28	747ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-24 01:05:46	916ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-22 21:05:47 shown	2018ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-16 23:50:33	741ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-23 13:53:49	998ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-20 03:22:06	686ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-17 01:39:34	65535ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-16 23:06:29	1477ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-16 23:02:45	332ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-16 23:01:10	471ms	2 NS 2 A 0 MX	🔓 Insecure