s-lf.dk DNS records

🖥️ Nameservers2 records 35ms

Nameserver	IP addresses	PTR	ASN / ISP
duke.ns.cloudflare.com	108.162.193.110 172.64.33.110 173.245.59.110 2606:4700:58::adf5:3b6e 2803:f800:50::6ca2:c16e 2a06:98c1:50::ac40:216e	duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
kiki.ns.cloudflare.com	108.162.192.180 172.64.32.180 173.245.58.180 2606:4700:50::adf5:3ab4 2803:f800:50::6ca2:c0b4 2a06:98c1:50::ac40:20b4	kiki.ns.cloudflare.com kiki.ns.cloudflare.com kiki.ns.cloudflare.com kiki.ns.cloudflare.com kiki.ns.cloudflare.com kiki.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.57.44	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.189.33	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 47ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:392c	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:bd21	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 32ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.57.44,172.67.189.33 ech=AEX+DQBBigAgACCAVYyCJ8sy3bK1L3NV7KFkFP55BuKgdvR30PNWOzN8aAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:392c,2606:4700:3036::ac43:bd21

📝 TXT Records1 records 196ms

TXT Record
v=spf1 ip4:46.4.208.59 include:spf.azehosting.net ip4:116.202.245.110 +a +mx ~all

✉️ SPF

Policy	Record (s-lf.dk)
~all (soft fail)	v=spf1 ip4:46.4.208.59 include:spf.azehosting.net ip4:116.202.245.110 +a +mx ~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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.s-lf.dk	AUZ3GcpqJ-siQY4WK5kZaYxlZl99CcQYsLcY1LXtS3k

🔗 TLSA / DANE

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

🔐 DNSSEC73ms

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

🏷️ SOA0ms

Field	Value
Serial	2411570232
Primary NS (MNAME)	duke.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

35ms

A

35ms

MX

48ms

AAAA

47ms

TXT

196ms

CAA

34ms

HTTPS

32ms

TLSA

57ms

SOA

0ms

MTA-STS

54ms

DNSSEC

73ms

SRV

63ms

Total

549ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-03 16:58:20	549ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-10 22:45:27	1557ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-30 15:44:00	930ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-24 12:27:33	831ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-22 06:04:17	942ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-19 17:39:22	580ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-18 06:59:36	702ms	2 NS 2 A 0 MX	🔓 Insecure	View