kflu.dk

📜 Historical scan 2026-09-25 17:58:51 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

kflu.dk is a .dk domain served by 2 nameservers (joan.ns.cloudflare.com, lloyd.ns.cloudflare.com). It was registered on 15 November 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.88.169 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 42ms

Nameserver	IP addresses	PTR	ASN / ISP
joan.ns.cloudflare.com	108.162.192.173 172.64.32.173 173.245.58.173 2606:4700:50::adf5:3aad 2803:f800:50::6ca2:c0ad 2a06:98c1:50::ac40:20ad	joan.ns.cloudflare.com joan.ns.cloudflare.com joan.ns.cloudflare.com joan.ns.cloudflare.com joan.ns.cloudflare.com joan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
lloyd.ns.cloudflare.com	108.162.193.197 172.64.33.197 173.245.59.197 2606:4700:58::adf5:3bc5 2803:f800:50::6ca2:c1c5 2a06:98c1:50::ac40:21c5	lloyd.ns.cloudflare.com lloyd.ns.cloudflare.com lloyd.ns.cloudflare.com lloyd.ns.cloudflare.com lloyd.ns.cloudflare.com lloyd.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.88.169	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.151.109	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 33ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:58a9	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:976d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 39ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.88.169,172.67.151.109 ech=AEX+DQBB+gAgACBHo61Y/t95YsvhltSdUujm/ZV8vLg/WjmnWqd8SeZDOAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:58a9,2606:4700:3037::ac43:976d

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-11 22:03:33

www	104.21.88.169 172.67.151.109 2606:4700:3031::6815:58a9 2606:4700:3037::ac43:976d (AS13335) (address records, no CNAME)
www vs bare domain	Same network kflu.dk: 104.21.88.169 172.67.151.109 2606:4700:3031::6815:58a9 2606:4700:3037::ac43:976d (AS13335) www.kflu.dk: 104.21.88.169 172.67.151.109 2606:4700:3031::6815:58a9 2606:4700:3037::ac43:976d (AS13335)
Wildcard	No

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.kflu.dk	B_7lPaXbysGQ1yGx7HrYLdbfsV1shKEzhfr92_N690E
TXT	_acme-challenge.kflu.dk	CFtpw3Ea-9aFXsUHpCRyRZ6HtX7L-1odqxCTrLV_5gM

🔗 TLSA / DANE#

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

🔐 DNSSEC#

116ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2415794065
Primary NS (MNAME)	joan.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-09 11:14:14

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2020-11-15
Expires	2027-07-31 (281d)

📋 WHOIS#

⏱️ Lookup Timing#

42ms

38ms

AAAA

33ms

TXT

171ms

CAA

37ms

HTTPS

39ms

TLSA

48ms

SOA

0ms

MTA-STS

58ms

DNSSEC

116ms

SRV

54ms

Total

579ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 10:01:03	689ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-26 23:43:41	539ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-26 18:20:47	551ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-25 17:58:51 shown	579ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-17 09:00:24	766ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-28 01:30:54	1150ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-20 12:53:17	760ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-22 02:05:55	1688ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-21 05:33:12	879ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 01:59:57	612ms	2 NS 2 A 0 MX	🔓 Insecure