ventu.dk DNS records

🖥️ Nameservers2 records 47ms

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 58ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
194.233.163.96	43200s	194-233-163-96.ip.linodeusercontent.com	AS63949	Akamai Connected Cloud	194.233.160.0/20	🇩🇪 Germany	Frankfurt am Main

📧 MX Records1 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	43200s	ventu-dk.mail.protection.outlook.com	2a01:111:f403:ca04::7 2a01:111:f403:ca09::26 2a01:111:f403:ca09::28 2a01:111:f403:ca3c::6 52.101.68.0 52.101.68.21 52.101.68.27 52.101.91.162	mail-db4pr02cu00307.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-zrxpr04cu00106.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-matpr04cu00302.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

🔷 AAAA Records (IPv6)1 records 64ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:7e01::f03c:93ff:fe9b:11aa	600s	—	AS63949	Akamai Connected Cloud	2a01:7e00:0:0:0:0:0:0/30	🇩🇪 Germany	Frankfurt am Main

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 96ms

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

📝 TXT Records1 records 196ms

TXT Record
v=spf1 ip4:172.104.224.103 ip4:85.90.246.192 ip4:139.162.166.41 include:spf.protection.outlook.com ip6:2a01:7e01::f03c:91ff:feae:cc7b ip6:2a01:7e01::f03c:91ff:fea2:1787 -all

✉️ SPF

Policy	Record (ventu.dk)
-all (hard fail)	v=spf1 ip4:172.104.224.103 ip4:85.90.246.192 ip4:139.162.166.41 include:spf.protection.outlook.com ip6:2a01:7e01::f03c:91ff:feae:cc7b ip6:2a01:7e01::f03c:91ff:fea2:1787 -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)

🔐 DNSSEC139ms

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

🏷️ SOA0ms

Field	Value
Serial	2026083001
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

47ms

A

58ms

MX

44ms

AAAA

64ms

TXT

196ms

CAA

63ms

HTTPS

71ms

TLSA

759ms

SOA

0ms

MTA-STS

88ms

DNSSEC

139ms

SRV

96ms

Total

1652ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-04 18:59:21	1652ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-17 03:24:47	5336ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-02 14:43:42	841ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 13:45:58	1322ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 17:27:19	2426ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-19 16:00:08	984ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 22:13:11	1257ms	2 NS 1 A 1 MX	🔒 Secure	View