knivkurser.dk DNS records

🖥️ Nameservers2 records 50ms

Nameserver	IP addresses	PTR	ASN / ISP
aarav.ns.cloudflare.com	108.162.195.60 162.159.44.60 172.64.35.60 2606:4700:58::a29f:2c3c 2803:f800:50::6ca2:c33c 2a06:98c1:50::ac40:233c	aarav.ns.cloudflare.com aarav.ns.cloudflare.com aarav.ns.cloudflare.com aarav.ns.cloudflare.com aarav.ns.cloudflare.com aarav.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
addilyn.ns.cloudflare.com	108.162.194.217 162.159.38.217 172.64.34.217 2606:4700:50::a29f:26d9 2803:f800:50::6ca2:c2d9 2a06:98c1:50::ac40:22d9	addilyn.ns.cloudflare.com addilyn.ns.cloudflare.com addilyn.ns.cloudflare.com addilyn.ns.cloudflare.com addilyn.ns.cloudflare.com addilyn.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
20.105.224.40	300s	—	AS8075	Microsoft Corporation	20.64.0.0/10	🇳🇱 The Netherlands	Amsterdam

📧 MX Records1 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	knivkurser-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::d 2a01:111:f403:ca09::f 2a01:111:f403:ca48::a 52.101.103.140 52.101.68.12 52.101.73.1 52.101.73.30	mail-db4pr02cu00406.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am7pr05cu00306.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	104.21.31.117

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 202ms

TXT Record
v=spf1 ip4:40.67.208.1 ip4:20.126.124.177 ip4:23.97.187.218 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (knivkurser.dk)
-all (hard fail)	v=spf1 ip4:40.67.208.1 ip4:20.126.124.177 ip4:23.97.187.218 include:spf.protection.outlook.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)

🔐 DNSSEC77ms

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

🏷️ SOA0ms

Field	Value
Serial	2412113227
Primary NS (MNAME)	aarav.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

50ms

A

45ms

MX

45ms

AAAA

49ms

TXT

202ms

CAA

39ms

HTTPS

57ms

TLSA

1228ms

SOA

0ms

MTA-STS

79ms

DNSSEC

77ms

SRV

82ms

Total

2542ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 01:12:42	2542ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-14 14:18:43	1281ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-02 16:19:05	17338ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-20 23:30:09	1261ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-19 20:38:43	1661ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-28 16:28:20	1509ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 02:26:18	3436ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 04:30:51	1292ms	2 NS 1 A 1 MX	🔒 Secure	View