klar-til-uddannelse.dk DNS records

🖥️ Nameservers2 records 131ms

Nameserver	IP addresses	PTR	ASN / ISP
ernest.ns.cloudflare.com	108.162.193.164 172.64.33.164 173.245.59.164 2606:4700:58::adf5:3ba4 2803:f800:50::6ca2:c1a4 2a06:98c1:50::ac40:21a4	ernest.ns.cloudflare.com ernest.ns.cloudflare.com ernest.ns.cloudflare.com ernest.ns.cloudflare.com ernest.ns.cloudflare.com ernest.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
kelly.ns.cloudflare.com	108.162.194.91 162.159.38.91 172.64.34.91 2606:4700:50::a29f:265b 2803:f800:50::6ca2:c25b 2a06:98c1:50::ac40:225b	kelly.ns.cloudflare.com kelly.ns.cloudflare.com kelly.ns.cloudflare.com kelly.ns.cloudflare.com kelly.ns.cloudflare.com kelly.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 80ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.41.224	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.167.175	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	104.21.41.224
🔶 Autoconfig	104.21.41.224

🔷 AAAA Records (IPv6)2 records 80ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::6815:29e0	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:a7af	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 125ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.41.224,172.67.167.175 ech=AEX+DQBBYAAgACCyOhU0z+1Vi7jXsJnQVu2sBfgbwypPyirAQoKEZDSaKgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:29e0,2606:4700:3035::ac43:a7af

📝 TXT Records1 records 520ms

TXT Record
v=spf1 -all

✉️ SPF

Policy	Record (klar-til-uddannelse.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC

Policy	Record (_dmarc.klar-til-uddannelse.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:rlnec1zr@ag.eu.dmarcian.com, mailto:dmarcreports@redbarnetungdom.dk

📬 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)

🔐 DNSSEC250ms

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

🏷️ SOA0ms

Field	Value
Serial	2413391895
Primary NS (MNAME)	ernest.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

131ms

A

80ms

MX

112ms

AAAA

80ms

TXT

520ms

CAA

132ms

HTTPS

125ms

TLSA

167ms

SOA

0ms

MTA-STS

184ms

DNSSEC

250ms

SRV

194ms

Total

1441ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 23:31:17	1441ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-08-19 07:16:51	3132ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-08-13 16:02:48	2920ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-07-26 03:51:05	1174ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-07-02 11:53:08	10464ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-06-24 18:08:43	955ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-06-21 05:34:22	1190ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 00:19:15	979ms	2 NS 2 A 0 MX	🔒 Secure	View