arbejdsdag.dk DNS records

🖥️ Nameservers2 records 227ms

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 Records2 records 238ms

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	172.67.130.243
🔶 Autoconfig	104.21.3.166

🔷 AAAA Records (IPv6)2 records 261ms

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 Records1 records 279ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.3.166,172.67.130.243 ech=AEX+DQBBQgAgACCzGvUMgGtcUaT6C65EKg5AQak9T3tZZuTypNcuEC/3LAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:82f3,2606:4700:3036::6815:3a6

📝 TXT Records1 records 519ms

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 Records10 records 218ms

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

🔗 TLSA / DANE

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

🔐 DNSSEC395ms

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

🏷️ SOA0ms

Field	Value
Serial	2412351122
Primary NS (MNAME)	collins.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

227ms

A

238ms

MX

251ms

AAAA

261ms

TXT

519ms

CAA

218ms

HTTPS

279ms

TLSA

207ms

SOA

0ms

MTA-STS

324ms

DNSSEC

395ms

SRV

272ms

Total

3815ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-17 17:07:29	3815ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-08-14 14:24:14	3705ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-08-12 22:02:11	1244ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-07-23 10:56:11	1361ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-07-22 10:12:43	947ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-07-03 11:11:18	11827ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-06-20 16:24:39	1157ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-06-16 13:38:23	785ms	2 NS 2 A 0 MX	🔒 Secure	View