cd4.dk DNS records

🖥️ Nameservers2 records 83ms

Nameserver	IP addresses	PTR	ASN / ISP
ns61.domaincontrol.com	2603:5:2153::20 97.74.101.32	ns61.domaincontrol.com ns61.domaincontrol.com	AS44273 Host Europe GmbH AS44273 Host Europe GmbH
ns62.domaincontrol.com	173.201.69.32 2603:5:2253::20	ns62.domaincontrol.com ns62.domaincontrol.com	AS44273 Host Europe GmbH AS44273 Host Europe GmbH

🌍 A Records1 records 74ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
23.236.62.147	600s	147.62.236.23.bc.googleusercontent.com	AS396982	Google LLC	23.236.48.0/20	🇺🇸 United States	Council Bluffs

📧 MX Records1 records 67ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	cd4-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca09::3 2a01:111:f403:ca09::4 2a01:111:f403:ca09::d 52.101.68.12 52.101.73.153 52.101.73.28 52.101.73.6	mail-db5pr02cu00100.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-am7pr05cu00204.inbound.protection.outlook.com mail-am6pr04cu00306.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 → 52.97.189.72

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 128ms

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

📝 TXT Records2 records 275ms

TXT Record
google-site-verification=NRsV7YT5KGc6wjZ_VM55NjBLr45rk68UsU3UGvYXmpk
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (cd4.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.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

✗ No CAA records — any CA may issue certificates

🔗 TLSA / DANE

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

🔐 DNSSEC87ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA65ms

Field	Value
Serial	2024021402
Primary NS (MNAME)	ns61.domaincontrol.com
Responsible (RNAME)	dns@jomax.net
Refresh	28800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

83ms

A

74ms

MX

67ms

AAAA

50ms

TXT

275ms

CAA

61ms

HTTPS

61ms

TLSA

114ms

SOA

65ms

MTA-STS

63ms

DNSSEC

87ms

SRV

128ms

Total

696ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 07:03:07	1381ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-27 04:37:05	1534ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-24 21:47:16	3049ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-21 02:02:21	696ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-20 20:21:14	912ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-20 15:59:49	1493ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 19:56:13	795ms	2 NS 1 A 1 MX	🔓 Insecure	View