aktivt-kul.dk DNS records

🖥️ Nameservers2 records 109ms

Nameserver	IP addresses	PTR	ASN / ISP
ada.ns.cloudflare.com	108.162.192.54 172.64.32.54 173.245.58.54 2606:4700:50::adf5:3a36 2803:f800:50::6ca2:c036 2a06:98c1:50::ac40:2036	ada.ns.cloudflare.com ada.ns.cloudflare.com ada.ns.cloudflare.com ada.ns.cloudflare.com ada.ns.cloudflare.com ada.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
henry.ns.cloudflare.com	108.162.193.176 172.64.33.176 173.245.59.176 2606:4700:58::adf5:3bb0 2803:f800:50::6ca2:c1b0 2a06:98c1:50::ac40:21b0	henry.ns.cloudflare.com henry.ns.cloudflare.com henry.ns.cloudflare.com henry.ns.cloudflare.com henry.ns.cloudflare.com henry.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 91ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.61.109	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.209.22	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 95ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	. Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)2 records 94ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:3d6d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:d116	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 128ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.61.109,172.67.209.22 ech=AEX+DQBB1wAgACBO6/jrXP1aBhaf2Ru3Gu/fnISM/miZlyHnAVovwfhNIQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:3d6d,2606:4700:3035::ac43:d116

📝 TXT Records1 records 368ms

TXT Record
v=spf1 -all

✉️ SPF

Policy	Record (aktivt-kul.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC

Policy	Record (_dmarc.aktivt-kul.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:621767c8b015f@dmarc.centerasecurity.com;

📬 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.aktivt-kul.dk	K37zQOxe7s4J7xsrkgKg30xZRbPTKmrSxDKUjBbpWkU
TXT	_acme-challenge.aktivt-kul.dk	rHjBzDcWapO1tlqL7V9WONoficc5fqzfKkLnd5VSzh4

🔗 TLSA / DANE

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

🔐 DNSSEC271ms

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

🏷️ SOA0ms

Field	Value
Serial	2413557861
Primary NS (MNAME)	ada.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

109ms

A

91ms

MX

95ms

AAAA

94ms

TXT

368ms

CAA

140ms

HTTPS

128ms

TLSA

148ms

SOA

0ms

MTA-STS

171ms

DNSSEC

271ms

SRV

171ms

Total

1514ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 13:07:31	1514ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-08-10 21:07:51	868ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-08-09 05:51:15	24710ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-17 02:17:39	853ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-23 18:24:52	821ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-21 01:13:33	632ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-20 07:39:06	596ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-16 13:22:13	529ms	2 NS 2 A 0 MX	🔒 Secure	View