vennerstrom.dk DNS records

🖥️ Nameservers2 records 50ms

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 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.20.216.245	600s	reseller1.chosting.dk	AS21060	Atea A/S	178.20.216.0/23	🇩🇰 Denmark	—

📧 MX Records1 records 52ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	vennerstrom-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca04::f 2a01:111:f403:ca09::3 2a01:111:f403:ca38::8 52.101.68.18 52.101.73.123 52.101.73.4 52.101.73.8	mail-db5pr02cu00100.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-am6pr02cu00203.inbound.protection.outlook.com mail-am0pr83cu00404.inbound.protection.outlook.com mail-am0pr04cu00500.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 → 40.104.116.24

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 79ms

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

📝 TXT Records2 records 276ms

TXT Record
MS=ms71134745
v=spf1 ip4:178.20.216.245 include:spf.protection.outlook.com include:spf.chosting.dk include:spf.mandrillapp.com -all

✉️ SPF

Policy	Record (vennerstrom.dk)
-all (hard fail)	v=spf1 ip4:178.20.216.245 include:spf.protection.outlook.com include:spf.chosting.dk include:spf.mandrillapp.com -all

📨 DMARC

Policy	Record (_dmarc.vennerstrom.dk)
p=reject	v=DMARC1; p=reject; sp=reject; adkim=r; aspf=r; fo=1; rf=afrf; rua=mailto:dmarc@venit.dk; ruf=mailto:dmarc@venit.dk; pct=100; ri=86400

📬 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)

🔐 DNSSEC110ms

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

🏷️ SOA0ms

Field	Value
Serial	2026032401
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

50ms

A

45ms

MX

52ms

AAAA

45ms

TXT

276ms

CAA

57ms

HTTPS

74ms

TLSA

318ms

SOA

0ms

MTA-STS

104ms

DNSSEC

110ms

SRV

79ms

Total

1178ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 13:50:11	1178ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 06:15:37	1378ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 22:43:52	1173ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 23:55:43	1349ms	2 NS 1 A 1 MX	🔒 Secure	View