kfs.dk DNS records

🖥️ Nameservers2 records 45ms

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 50ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
216.150.1.1	600s	—	AS16509	Amazon.com, Inc.	216.150.1.0/24	🇺🇸 United States	—

📧 MX Records1 records 47ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	kfs-dk.mail.protection.outlook.com	2a01:111:f403:ca09::8 2a01:111:f403:ca09::9 2a01:111:f403:ca09::d 2a01:111:f403:ca09::f 52.101.209.153 52.101.68.39 52.101.73.15 52.101.73.8	mail-as2pr05cu00100.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am9pr04cu00107.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	40.104.116.24
🔶 Autoconfig	cname.vercel-dns.com → 66.33.60.67

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 4034ms

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

📝 TXT Records1 records 184ms

TXT Record
v=spf1 a ip4:128.76.139.26 ip4:178.23.247.165 ip4:94.231.103.132 ip4:109.239.55.47 include:spf.protection.outlook.com include:dedicated.mysmtp.com include:sendgrid.net -all

✉️ SPF

Policy	Record (kfs.dk)
-all (hard fail)	v=spf1 a ip4:128.76.139.26 ip4:178.23.247.165 ip4:94.231.103.132 ip4:109.239.55.47 include:spf.protection.outlook.com include:dedicated.mysmtp.com include:sendgrid.net -all

📨 DMARC

Policy	Record (_dmarc.kfs.dk)
p=quarantine	v=DMARC1; p=quarantine; 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)

🔐 DNSSEC91ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081201
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

45ms

A

50ms

MX

47ms

AAAA

2036ms

TXT

184ms

CAA

36ms

HTTPS

49ms

TLSA

450ms

SOA

0ms

MTA-STS

122ms

DNSSEC

91ms

SRV

4034ms

Total

4918ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 21:00:55	4918ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-13 07:40:08	5500ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-19 03:43:57	1981ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-14 01:34:31	1656ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 11:40:49	1011ms	2 NS 1 A 1 MX	🔒 Secure	View