cetacyberdefense.dk DNS records

🖥️ Nameservers2 records 38ms

Nameserver	IP addresses	PTR	ASN / ISP
curt.ns.cloudflare.com	108.162.193.94 172.64.33.94 173.245.59.94 2606:4700:58::adf5:3b5e 2803:f800:50::6ca2:c15e 2a06:98c1:50::ac40:215e	curt.ns.cloudflare.com curt.ns.cloudflare.com curt.ns.cloudflare.com curt.ns.cloudflare.com curt.ns.cloudflare.com curt.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
hera.ns.cloudflare.com	108.162.192.162 172.64.32.162 173.245.58.162 2606:4700:50::adf5:3aa2 2803:f800:50::6ca2:c0a2 2a06:98c1:50::ac40:20a2	hera.ns.cloudflare.com hera.ns.cloudflare.com hera.ns.cloudflare.com hera.ns.cloudflare.com hera.ns.cloudflare.com hera.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records

🌍

No A records found

📧 MX Records1 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	43200s	cetacyberdefense-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca09::3 2a01:111:f403:ca09::8 2a01:111:f403:ca38::8 52.101.68.21 52.101.68.8 52.101.73.6 52.101.73.8	mail-du0pr03cu00102.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am6pr04cu00306.inbound.protection.outlook.com mail-am0pr04cu00500.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

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.24
🔶 Autoconfig	cetacyberdefense.dk

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 219ms

TXT Record
MS=ms81983284
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (cetacyberdefense.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.cetacyberdefense.dk)
p=reject	v=DMARC1; p=reject;

📬 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
CNAME	_acme-challenge.cetacyberdefense.dk	cetacyberdefense.dk

🔗 TLSA / DANE

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

🔐 DNSSEC86ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2413356894
Primary NS (MNAME)	curt.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

38ms

A

43ms

MX

36ms

AAAA

46ms

TXT

219ms

CAA

54ms

HTTPS

43ms

TLSA

663ms

SOA

0ms

MTA-STS

69ms

DNSSEC

86ms

SRV

82ms

Total

1258ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 09:54:00	1258ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-28 02:56:20	780ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-06 12:33:02	2049ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-07-19 15:58:19	1371ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-07-11 12:09:40	1425ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-07-05 01:24:13	1380ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-24 17:40:23	5292ms	2 NS 0 A 1 MX	⚠️ Bogus	View
2026-06-23 06:38:18	1160ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 17:04:50	1446ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-16 20:11:02	1993ms	2 NS 0 A 1 MX	🔒 Secure	View