doktor-tjek.dk DNS records

🖥️ Nameservers2 records 25ms

Nameserver	IP addresses	PTR	ASN / ISP
cory.ns.cloudflare.com	108.162.193.93 172.64.33.93 173.245.59.93 2606:4700:58::adf5:3b5d 2803:f800:50::6ca2:c15d 2a06:98c1:50::ac40:215d	cory.ns.cloudflare.com cory.ns.cloudflare.com cory.ns.cloudflare.com cory.ns.cloudflare.com cory.ns.cloudflare.com cory.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
rosa.ns.cloudflare.com	108.162.192.228 172.64.32.228 173.245.58.228 2606:4700:50::adf5:3ae4 2803:f800:50::6ca2:c0e4 2a06:98c1:50::ac40:20e4	rosa.ns.cloudflare.com rosa.ns.cloudflare.com rosa.ns.cloudflare.com rosa.ns.cloudflare.com rosa.ns.cloudflare.com rosa.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 26ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.70.117	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.223.97	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 25ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.mikrosec.net	93.167.225.233	mail.mikrosec.net	AS3292 TDC Holding A/S

🔷 AAAA Records (IPv6)2 records 29ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:4675	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::ac43:df61	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 32ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.70.117,172.67.223.97 ech=AEX+DQBBJQAgACBICK7h0rMIouc/HzScB0c6+6qlcejBgzELObuLPlL7NQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:4675,2606:4700:3034::ac43:df61

📝 TXT Records1 records 153ms

TXT Record
v=spf1 a ip4:93.167.225.233 mx:mail.mikrosec.net -all

✉️ SPF

Policy	Record (doktor-tjek.dk)
-all (hard fail)	v=spf1 a ip4:93.167.225.233 mx:mail.mikrosec.net -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

✗ No CAA records — any CA may issue certificates

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.doktor-tjek.dk	tUwQE5s3q--OoIvuxfOCiqAMH-GZMZKPZOYcmkFJM-M
TXT	_acme-challenge.doktor-tjek.dk	wKjRUHzSNvjDow1VAIYw_CWSpjcnsSHVq9x7sUKvd5s

🔗 TLSA / DANE

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

🔐 DNSSEC96ms

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

🏷️ SOA0ms

Field	Value
Serial	2413255912
Primary NS (MNAME)	cory.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

25ms

A

26ms

MX

25ms

AAAA

29ms

TXT

153ms

CAA

35ms

HTTPS

32ms

TLSA

56ms

SOA

0ms

MTA-STS

47ms

DNSSEC

96ms

SRV

51ms

Total

550ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 17:19:38	550ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-08-10 07:40:39	2846ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-08-07 08:19:58	1176ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-10 01:32:30	2823ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-02 23:36:11	2196ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-27 22:04:10	1639ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-19 19:01:55	574ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-19 09:17:46	1236ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-18 13:25:38	992ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-17 04:05:10	478ms	2 NS 2 A 1 MX	🔒 Secure	View