arbejdsdag.dk

📜 Historical scan 2026-10-08 00:23:18 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

arbejdsdag.dk is a .dk domain served by 2 nameservers (collins.ns.cloudflare.com, renan.ns.cloudflare.com). It was registered on 15 September 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.3.166 is hosted by Cloudflare, Inc. (AS13335). The zone is DNSSEC-signed and validates, 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 52ms

Nameserver	IP addresses	PTR	ASN / ISP
collins.ns.cloudflare.com	108.162.194.226 162.159.38.226 172.64.34.226 2606:4700:50::a29f:26e2 2803:f800:50::6ca2:c2e2 2a06:98c1:50::ac40:22e2	collins.ns.cloudflare.com collins.ns.cloudflare.com collins.ns.cloudflare.com collins.ns.cloudflare.com collins.ns.cloudflare.com collins.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
renan.ns.cloudflare.com	108.162.195.62 162.159.44.62 172.64.35.62 2606:4700:58::a29f:2c3e 2803:f800:50::6ca2:c33e 2a06:98c1:50::ac40:233e	renan.ns.cloudflare.com renan.ns.cloudflare.com renan.ns.cloudflare.com renan.ns.cloudflare.com renan.ns.cloudflare.com renan.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 49ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.3.166	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.130.243	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.3.166
🔶 Autoconfig	104.21.3.166

🔷 AAAA Records (IPv6)#

2 records 47ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:82f3	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:3a6	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 49ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.3.166,172.67.130.243 ech=AEX+DQBB+wAgACAapGNUB+r5nt7b1RH3tKzfdHiCSWwS4ih5lmKb5z+XQwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:82f3,2606:4700:3036::6815:3a6

📝 TXT Records#

1 records 243ms

TXT Record
v=spf1 include:_spf.google.com -all

✉️ SPF#

Policy	Record (arbejdsdag.dk)
-all (hard fail)	v=spf1 include:_spf.google.com -all

📨 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#

10 records 40ms

Flags	Tag	Value
0	issue	comodoca.com
0	issue	digicert.com; cansignhttpexchanges=yes
0	issue	letsencrypt.org
0	issue	pki.goog; cansignhttpexchanges=yes
0	issue	ssl.com
0	issuewild	comodoca.com
0	issuewild	digicert.com; cansignhttpexchanges=yes
0	issuewild	letsencrypt.org
0	issuewild	pki.goog; cansignhttpexchanges=yes
0	issuewild	ssl.com

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-13 06:24:57

www	104.21.3.166 172.67.130.243 2606:4700:3033::ac43:82f3 2606:4700:3036::6815:3a6 (AS13335) (address records, no CNAME)
www vs bare domain	Same network arbejdsdag.dk: 104.21.3.166 172.67.130.243 2606:4700:3033::ac43:82f3 2606:4700:3036::6815:3a6 (AS13335) www.arbejdsdag.dk: 104.21.3.166 172.67.130.243 2606:4700:3033::ac43:82f3 2606:4700:3036::6815:3a6 (AS13335)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

60ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

40ms

Field	Value
Serial	2416498323
Primary NS (MNAME)	collins.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-04 04:37:04

Field	Value
Registrar	Domænehajen ApS
Registered	2016-09-15
Expires	2027-09-30 (345d)

📋 WHOIS#

⏱️ Lookup Timing#

52ms

49ms

41ms

AAAA

47ms

TXT

243ms

CAA

40ms

HTTPS

49ms

TLSA

71ms

SOA

40ms

MTA-STS

51ms

DNSSEC

60ms

SRV

88ms

Total

577ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 06:24:57	2313ms	2 NS 2 A 0 MX	🔒 Secure
2026-10-12 05:07:24	509ms	2 NS 2 A 0 MX	🔒 Secure
2026-10-08 00:23:18 shown	577ms	2 NS 2 A 0 MX	🔒 Secure
2026-10-04 04:19:56	681ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-21 04:49:15	820ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-09 17:25:27	9534ms	2 NS 2 A 0 MX	🔒 Secure
2026-08-17 17:07:29	3815ms	2 NS 2 A 0 MX	🔒 Secure
2026-08-14 14:24:14	3705ms	2 NS 2 A 0 MX	🔒 Secure
2026-08-12 22:02:11	1244ms	2 NS 2 A 0 MX	🔒 Secure
2026-07-23 10:56:11	1361ms	2 NS 2 A 0 MX	🔒 Secure
2026-07-22 10:12:43	947ms	2 NS 2 A 0 MX	🔒 Secure
2026-07-03 11:11:18	11827ms	2 NS 2 A 0 MX	🔒 Secure
2026-06-20 16:24:39	1157ms	2 NS 2 A 0 MX	🔒 Secure
2026-06-16 13:38:23	785ms	2 NS 2 A 0 MX	🔒 Secure