atcube.dk DNS records

🖥️ Nameservers2 records 55ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records1 records 52ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
173.212.244.184	3600s	vmi132084.contaboserver.net	AS51167	Contabo GmbH	173.212.192.0/18	🇫🇷 France	Lauterbourg

📧 MX Records1 records 53ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	atcube-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::2 2a01:111:f403:ca09::1 2a01:111:f403:ca09::b 52.101.68.39 52.101.73.1 52.101.73.15 52.101.73.16	mail-dbapr03cu00100.inbound.protection.outlook.com mail-du2pr03cu00102.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as2pr05cu00100.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 → 40.104.116.56

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 90ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records2 records 317ms

TXT Record
MS=ms39804752
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (atcube.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)

🔐 DNSSEC67ms

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

🏷️ SOA51ms

Field	Value
Serial	2026052601
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

55ms

A

52ms

MX

53ms

AAAA

95ms

TXT

317ms

CAA

78ms

HTTPS

80ms

TLSA

1225ms

SOA

51ms

MTA-STS

65ms

DNSSEC

67ms

SRV

90ms

Total

2088ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 03:12:25	729ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-07 20:38:15	5588ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-28 16:29:07	1138ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 00:05:29	9744ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 12:03:35	654ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 09:40:04	2088ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 10:54:36	699ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 09:54:52	1095ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-16 13:47:19	2007ms	2 NS 1 A 1 MX	🔒 Secure	View