cd-k.dk DNS records

🖥️ Nameservers2 records 62ms

Nameserver	IP addresses	PTR	ASN / ISP
fonzie.ns.cloudflare.com	108.162.195.70 162.159.44.70 172.64.35.70 2606:4700:58::a29f:2c46 2803:f800:50::6ca2:c346 2a06:98c1:50::ac40:2346	fonzie.ns.cloudflare.com fonzie.ns.cloudflare.com fonzie.ns.cloudflare.com fonzie.ns.cloudflare.com fonzie.ns.cloudflare.com fonzie.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
linda.ns.cloudflare.com	108.162.192.250 172.64.32.250 173.245.58.250 2606:4700:50::adf5:3afa 2803:f800:50::6ca2:c0fa 2a06:98c1:50::ac40:20fa	linda.ns.cloudflare.com linda.ns.cloudflare.com linda.ns.cloudflare.com linda.ns.cloudflare.com linda.ns.cloudflare.com linda.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 65ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.20.14	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.190.205	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records2 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	cdk-dk0e.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::2 2a01:111:f403:ca09::3 2a01:111:f403:ca48::a 52.101.103.137 52.101.209.153 52.101.68.29 52.101.73.1	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-du2pr03cu00102.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation
32767	3600s	ms19352414.msv1.invalid	—	—	—

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.8

🔷 AAAA Records (IPv6)2 records 55ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:becd	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::6815:140e	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 66ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.20.14,172.67.190.205 ech=AEX+DQBBtwAgACBDcNyPRGjsFrXzLfFcOJ3OxG4EU3aJM0UYC6clTq7CIQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:becd,2606:4700:3033::6815:140e

🔌 SRV Records1 records 91ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records5 records 228ms

TXT Record
google-site-verification=6IUD2Z1lh50EB6hbOuM9h5Rn0yawbLZM193mLZYG6qU
google-site-verification=XCD3cVdBmR9FcnvcSJAkcCV1G9yXcRhr3V8NKZow614
MS=ms19352414
MS=ms30782987
v=spf1 ipv4:65.108.205.18 ipv6:2a01:4f9:1a:a108:abcd::1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (cd-k.dk)
-all (hard fail)	v=spf1 ipv4:65.108.205.18 ipv6:2a01:4f9:1a:a108:abcd::1 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.cd-k.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:e3b66cfc72b142d88af5486a3e2daa47@dmarc-reports.cloudflare.net;

📬 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

🔗 TLSA / DANE

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

🔐 DNSSEC9088ms

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

🏷️ SOA0ms

Field	Value
Serial	2412905272
Primary NS (MNAME)	fonzie.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

62ms

A

65ms

MX

34ms

AAAA

55ms

TXT

228ms

CAA

69ms

HTTPS

66ms

TLSA

194ms

SOA

0ms

MTA-STS

80ms

DNSSEC

9088ms

SRV

91ms

Total

9868ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 02:34:41	9868ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-08-23 06:42:11	1465ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-08-22 06:34:37	10918ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-08-10 21:46:45	2501ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-07-17 08:08:48	9201ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-07-15 20:43:44	1774ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-06-24 04:43:41	2290ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-06-21 07:48:26	1701ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-06-21 04:34:19	1012ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-16 19:55:25	856ms	2 NS 2 A 2 MX	🔒 Secure	View