kfrr.dk DNS records

🖥️ Nameservers2 records 44ms

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 46ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.111.240.164	3600s	webcluster37.webpod11-cph3.one.com	AS51468	One.com A/S	77.111.240.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 47ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	kfrr-dk.mail.protection.outlook.com	2a01:111:f403:c967:: 2a01:111:f403:c967::2 2a01:111:f403:c967::4 2a01:111:f403:c967::6 52.101.209.2 52.101.209.4 52.101.209.6 52.101.209.74	mail-cpcp307cu00400.inbound.protection.outlook.com mail-cpap307cu00402.inbound.protection.outlook.com mail-cpap307cu00204.inbound.protection.outlook.com mail-cpcp307cu00206.inbound.protection.outlook.com mail-cpap307cu00402.inbound.protection.outlook.com mail-cpap307cu00204.inbound.protection.outlook.com mail-cpcp307cu00206.inbound.protection.outlook.com mail-cpcp307cu00402.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
🔶 Autoconfig	77.111.240.164

🔷 AAAA Records (IPv6)1 records 45ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:102:8022:bbbc:ee13:b336	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 186ms

TXT Record
MS=ms32450832
v=spf1 include:spf.protection.outlook.com include:_spf.one.com ~all

✉️ SPF

Policy	Record (kfrr.dk)
~all (soft fail)	v=spf1 include:spf.protection.outlook.com include:_spf.one.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)

🔐 DNSSEC80ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081405
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

44ms

A

46ms

MX

47ms

AAAA

45ms

TXT

186ms

CAA

42ms

HTTPS

35ms

TLSA

204ms

SOA

0ms

MTA-STS

68ms

DNSSEC

80ms

SRV

81ms

Total

804ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-02 14:38:17	804ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-15 14:50:20	2164ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-14 09:57:53	4297ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-13 09:34:57	9043ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 11:09:46	843ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 01:33:00	10067ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 16:54:13	1089ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 20:24:07	672ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 11:39:17	2162ms	2 NS 1 A 1 MX	🔒 Secure	View