kfs.dk

📜 Historical scan 2026-09-14 23:43:45 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

kfs.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 27 November 1996 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 216.150.1.1 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by kfs-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 104ms

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 Records#

1 records 82ms

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 Records#

1 records 105ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	kfs-dk.mail.protection.outlook.com	2a01:111:f403:ca04::b 2a01:111:f403:ca04::c 2a01:111:f403:ca04::e 2a01:111:f403:ca04::f 52.101.103.140 52.101.209.153 52.101.68.39 52.101.91.153	mail-dbbpr03cu00103.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-matpr04cu00101.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	cname.vercel-dns.com → 76.76.21.123

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 341ms

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

📝 TXT Records#

1 records 439ms

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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-13 02:34:36

www CNAME	f31415aa82f806a3.vercel-dns-016.com (all on vercel-dns-016.com) → 216.150.1.129 216.150.16.129 (AS16509)
www vs bare domain	Same network kfs.dk: 216.150.1.1 (AS16509) www.kfs.dk: 216.150.1.129 216.150.16.129 (AS16509)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
mail	—	RSA · ~2048 bit
selector1	selector1-kfs-dk._domainkey.kfsltc.onmicrosoft.com	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 8/10 · policy: -all

warn 8 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

168ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026091105
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-13 02:54:39

Field	Value
Registrar	ONE.COM A/S
Registered	1996-11-27
Expires	2026-12-31 (69d)

🔗 Same registrant#

1 domain

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
kfsfiles.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

104ms

82ms

105ms

AAAA

145ms

TXT

439ms

CAA

108ms

HTTPS

103ms

TLSA

172ms

SOA

0ms

MTA-STS

343ms

DNSSEC

168ms

SRV

341ms

Total

1185ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 02:34:36	2176ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 12:10:10	1256ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-14 23:43:45 shown	1185ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-31 21:00:55	4918ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-13 07:40:08	5500ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-19 03:43:57	1981ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-14 01:34:31	1656ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 11:40:49	1011ms	2 NS 1 A 1 MX	🔒 Secure