cassis.dk DNS records

🖥️ Nameservers4 records 167ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.dnscluster.dk	2001:41d0:701:1100::7ec7 57.129.78.20	vps-1448e198.vps.ovh.net vps-1448e198.vps.ovh.net	AS16276 OVH SAS AS16276 OVH SAS
ns2.dnscluster.dk	212.95.58.14 2a00:c98:400f:104:1c00:a8ff:fe00:2ac	ns2.dnscluster.dk ns2.dnscluster.dk	AS28753 Leaseweb Deutschland GmbH AS28753 Leaseweb Deutschland GmbH
ns3.dnscluster.dk	213.184.84.70 2a09:3a00:4070::1	— —	AS59795 PerfGrid AS59795 PerfGrid
ns4.dnscluster.dk	2a06:a005:16d0:45::a 45.140.220.10	ns4.dnscluster.dk ns4.dnscluster.dk	AS142594 SpeedyPage Ltd AS142594 SpeedyPage Ltd

🌍 A Records1 records 51ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
213.184.85.20	3600s	nlsh04.h4r-infra.net	AS59795	PerfGrid	213.184.84.0/23	🇳🇱 The Netherlands	—

📧 MX Records2 records 170ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	in1.mail-infra.net	2a01:4f8:c012:7e77::1 49.12.11.203	pmg1.h4r.eu filter02.h4r.eu	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
20	3600s	in2.mail-infra.net	2001:41d0:701:1100::a6bc 57.129.66.76	filter04.h4r.eu filter04.h4r.eu	AS16276 OVH SAS AS16276 OVH SAS

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	213.184.85.20
🔶 Autoconfig	213.184.85.20

🔷 AAAA Records (IPv6)1 records 168ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a09:3a00:3020::1	3600s	nlsh04.h4r-infra.net	AS59795	PerfGrid	2a09:3a00:3000:0:0:0:0:0/40	🇳🇱 The Netherlands	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 503ms

TXT Record
v=spf1 +a +mx +include:spf-record.net ~all

✉️ SPF

Policy	Record (cassis.dk)
~all (soft fail)	v=spf1 +a +mx +include:spf-record.net ~all

📨 DMARC

Policy	Record (_dmarc.cassis.dk)
p=none (monitor only)	v=DMARC1;p=none;

📬 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.cassis.dk	f43fb77a-0607-4af7-9d37-06e07c1486b3.auth.acme-challenge.dk

🔗 TLSA / DANE

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

🔐 DNSSEC193ms

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

🏷️ SOA0ms

Field	Value
Serial	2026031203
Primary NS (MNAME)	ns1.dnscluster.dk
Responsible (RNAME)	hostmaster@cassis.dk
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

167ms

A

51ms

MX

170ms

AAAA

168ms

TXT

503ms

CAA

169ms

HTTPS

51ms

TLSA

155ms

SOA

0ms

MTA-STS

66ms

DNSSEC

193ms

SRV

398ms

Total

1073ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 04:57:43	1073ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-06-22 20:02:05	1435ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-06-22 06:51:12	1008ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-06-21 20:17:03	3010ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-06-21 00:46:10	958ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 06:25:25	774ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-06-16 19:44:19	635ms	4 NS 1 A 2 MX	⚠️ Bogus	View
2026-06-16 19:40:19	976ms	4 NS 1 A 2 MX	🔓 Insecure	View