atcdk.dk DNS records

🖥️ Nameservers4 records 53ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.eurodns.com	199.167.66.107 2610:1c8:b002::107	ns1.eurodns.com ns1.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns2.eurodns.com	104.37.178.107 2610:1c8:b001::107	ns2.eurodns.com ns2.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns3.eurodns.com	199.167.66.108 2610:1c8:b002::108	ns3.eurodns.com ns3.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns4.eurodns.com	104.37.178.108 2610:1c8:b001::108	ns4.eurodns.com ns4.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC

🌍 A Records1 records 50ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
80.92.65.188	600s	80-92-65-188.ip.dclux.com	AS24611	Datacenter Luxembourg S.A.	80.92.64.0/19	🇱🇺 Luxembourg	Luxembourg

📧 MX Records1 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	atcdk-dk.mail.protection.outlook.com	2a01:111:f403:ca04::b 2a01:111:f403:ca09::3 2a01:111:f403:ca09::5 2a01:111:f403:ca48::c 52.101.103.140 52.101.68.0 52.101.73.12 52.101.73.28	mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-am7pr05cu00204.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 → 40.104.116.8
🔶 Autoconfig	atcdk.dk → 80.92.65.188

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 213ms

TXT Record
MS=ms32186802
v=spf1 mx ip4:91.198.252.10/32 include:spf.protection.outlook.com ~all

✉️ SPF

Policy	Record (atcdk.dk)
~all (soft fail)	v=spf1 mx ip4:91.198.252.10/32 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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.atcdk.dk	atcdk.dk

🔗 TLSA / DANE

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

🔐 DNSSEC84ms

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	2024111200
Primary NS (MNAME)	ns1.eurodns.com
Responsible (RNAME)	hostmaster@eurodns.com
Refresh	86400s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

53ms

A

50ms

MX

41ms

AAAA

49ms

TXT

213ms

CAA

51ms

HTTPS

55ms

TLSA

592ms

SOA

0ms

MTA-STS

70ms

DNSSEC

84ms

SRV

86ms

Total

1369ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 13:14:35	1369ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-26 00:38:27	2990ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-27 14:04:05	2637ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 13:47:05	765ms	4 NS 1 A 1 MX	🔓 Insecure	View