kurserne.dk DNS records

🖥️ Nameservers2 records 46ms

Nameserver	IP addresses	PTR	ASN / ISP
amy.ns.cloudflare.com	108.162.192.101 172.64.32.101 173.245.58.101 2606:4700:50::adf5:3a65 2803:f800:50::6ca2:c065 2a06:98c1:50::ac40:2065	amy.ns.cloudflare.com amy.ns.cloudflare.com amy.ns.cloudflare.com amy.ns.cloudflare.com amy.ns.cloudflare.com amy.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
kip.ns.cloudflare.com	108.162.193.128 172.64.33.128 173.245.59.128 2606:4700:58::adf5:3b80 2803:f800:50::6ca2:c180 2a06:98c1:50::ac40:2180	kip.ns.cloudflare.com kip.ns.cloudflare.com kip.ns.cloudflare.com kip.ns.cloudflare.com kip.ns.cloudflare.com kip.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.7.173	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.187.244	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records3 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
25	300s	route1.mx.cloudflare.net	162.159.205.11 162.159.205.12 162.159.205.13 2606:4700:f5::b 2606:4700:f5::c 2606:4700:f5::d	route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
25	300s	route3.mx.cloudflare.net	162.159.205.23 162.159.205.24 162.159.205.25 2606:4700:f5::11 2606:4700:f5::12 2606:4700:f5::13	route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
27	300s	route2.mx.cloudflare.net	162.159.205.17 162.159.205.18 162.159.205.19 2606:4700:f5::10 2606:4700:f5::e 2606:4700:f5::f	route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🔷 AAAA Records (IPv6)2 records 42ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:7ad	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::ac43:bbf4	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 56ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.7.173,172.67.187.244 ech=AEX+DQBBVgAgACC+QzLOc9oZ85AowC/T5xJ5nLdlKATS22gNnoQP4x3WXQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:7ad,2606:4700:3034::ac43:bbf4

📝 TXT Records2 records 174ms

TXT Record
google-site-verification=GeLruyzM0eoSQIw0h244Jn-bwEdMLx39zsGy8td3ZPc
v=spf1 include:_spf.mx.cloudflare.net ~all

✉️ SPF

Policy	Record (kurserne.dk)
~all (soft fail)	v=spf1 include:_spf.mx.cloudflare.net ~all

📨 DMARC

Policy	Record (_dmarc.kurserne.dk)
p=quarantine	v=DMARC1; p=quarantine rua=mailto:23a46f784ffb498c97db8954576e6485@dmarc-reports.cloudflare.net

📬 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 / DANE9 records 116ms

Service / Owner	Type	Cert association
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…

🔐 DNSSEC91ms

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	2411254097
Primary NS (MNAME)	amy.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

46ms

A

41ms

MX

37ms

AAAA

42ms

TXT

174ms

CAA

38ms

HTTPS

56ms

TLSA

116ms

SOA

0ms

MTA-STS

83ms

DNSSEC

91ms

SRV

73ms

Total

1801ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-05 22:50:09	1801ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-07-05 03:03:42	4658ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-07-03 01:15:04	1903ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-06-28 00:28:30	2508ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-06-23 11:18:12	1197ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-06-19 02:44:54	1660ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-06-18 15:37:53	1223ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-06-17 11:41:09	2640ms	2 NS 2 A 3 MX	🔓 Insecure	View