vfkf.dk DNS records

🖥️ Nameservers2 records 49ms

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 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.47.247.18	3600s	one.com.webforward.g1i.one	AS51468	One.com A/S	195.47.247.0/24	—	—

📧 MX Records1 records 66ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	vfkf-dk.x-v1.mx.microsoft	2a01:111:f403:ca04:: 2a01:111:f403:ca04::7 2a01:111:f403:ca04::b 2a01:111:f403:ca09::9 52.101.68.15 52.101.68.36 52.101.73.15 52.101.73.16	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db5pr02cu00104.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 → 40.104.116.24

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 64ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records1 records 178ms

TXT Record
v=spf1 include:spf.protection.outlook.com include:_custspf.one.com -all

✉️ SPF

Policy	Record (vfkf.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:_custspf.one.com -all

📨 DMARC

Policy	Record (_dmarc.vfkf.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:dmarc_agg@vali.email;

📬 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 / DANE4 records 70ms

Service / Owner	Type	Cert association
SMTP _25._tcp.vfkf-dk.x-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	C1AD7778796D20BCA65C889A26550211…
SMTP _25._tcp.vfkf-dk.x-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	54883CC5F1849331E6BF5002C3129D20…
SMTP _25._tcp.vfkf-dk.x-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	EA7A25255D111FC3CE4CB8FABE3ADF9C…
SMTP _25._tcp.vfkf-dk.x-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	803F7447CC75B208DBCA042346F5D8DF…

🔐 DNSSEC90ms

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

🏷️ SOA38ms

Field	Value
Serial	2026080401
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

49ms

A

43ms

MX

66ms

AAAA

48ms

TXT

178ms

CAA

32ms

HTTPS

39ms

TLSA

70ms

SOA

38ms

MTA-STS

59ms

DNSSEC

90ms

SRV

64ms

Total

5032ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-20 18:58:43	5032ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-07 16:32:17	1289ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-04 07:56:26	7016ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-01 15:41:48	9298ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-22 19:09:57	9060ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-11 02:01:05	5280ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-06 02:40:47	1146ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-01 22:27:26	635ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 05:45:49	1131ms	2 NS 1 A 1 MX	🔒 Secure	View