kfo.dk DNS records

🖥️ Nameservers2 records 62ms

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 47ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.4.18.84	3600s	server5.designrus.dk	AS24940	Hetzner Online GmbH	46.4.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records1 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	kfo-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca09::7 2a01:111:f403:ca09::9 2a01:111:f403:ca09::e 52.101.68.21 52.101.68.29 52.101.68.5 52.101.73.24	mail-db7pr03cu00401.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-as8pr05cu00300.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
🔶 Autoconfig	46.4.18.84

🔷 AAAA Records (IPv6)1 records 49ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:4f8:221:3960::2	3600s	—	AS24940	Hetzner Online GmbH	2a01:4f8:0:0:0:0:0:0/31	🇩🇪 Germany	Falkenstein

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 192ms

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

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.kfo.dk)
p=reject	v=DMARC1; p=reject;pct=100

📬 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)

🔐 DNSSEC81ms

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

🏷️ SOA35ms

Field	Value
Serial	2026082302
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

62ms

A

47ms

MX

41ms

AAAA

49ms

TXT

192ms

CAA

49ms

HTTPS

48ms

TLSA

522ms

SOA

35ms

MTA-STS

63ms

DNSSEC

81ms

SRV

91ms

Total

5558ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-24 01:06:20	5558ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-22 22:24:41	3545ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 05:29:50	1617ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 06:42:41	4433ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 07:44:05	1371ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 12:54:19	1179ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 01:20:30	898ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 22:04:48	919ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 01:33:10	3021ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 04:57:22	1889ms	2 NS 1 A 1 MX	⚠️ Bogus	View