effective-learning.dk DNS records

🖥️ Nameservers2 records 278ms

Nameserver	IP addresses	PTR	ASN / ISP
aragorn.ns.cloudflare.com	108.162.193.67 172.64.33.67 173.245.59.67 2606:4700:58::adf5:3b43 2803:f800:50::6ca2:c143 2a06:98c1:50::ac40:2143	aragorn.ns.cloudflare.com aragorn.ns.cloudflare.com aragorn.ns.cloudflare.com aragorn.ns.cloudflare.com aragorn.ns.cloudflare.com aragorn.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
brianna.ns.cloudflare.com	108.162.192.245 172.64.32.245 173.245.58.245 2606:4700:50::adf5:3af5 2803:f800:50::6ca2:c0f5 2a06:98c1:50::ac40:20f5	brianna.ns.cloudflare.com brianna.ns.cloudflare.com brianna.ns.cloudflare.com brianna.ns.cloudflare.com brianna.ns.cloudflare.com brianna.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 224ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.9.175	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.161.35	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 218ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:9af	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:a123	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 124ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.9.175,172.67.161.35 ech=AEX+DQBB9AAgACDGsaM394fQZDa41e7Pk5XsMeXXi0zLY40wG+6T/TjyIQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:9af,2606:4700:3037::ac43:a123

📝 TXT Records

📝

No TXT records found

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 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.effective-learning.dk	O2mUnA341Kg7XTNBzx0j6thRVp6cov359X0tfBuRdhs
TXT	_acme-challenge.effective-learning.dk	UpBLtlVV6T3JVJSSlASmhHdnGd5vbhvooOcAEPJgbDw

🔗 TLSA / DANE

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

🔐 DNSSEC447ms

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

🏷️ SOA0ms

Field	Value
Serial	2413072363
Primary NS (MNAME)	aragorn.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 RegistrationWHOIS fetched 2026-08-28 13:14:38

Field	Value
Registrar	Abion AB
Registered	2018-07-16
Expires	2027-07-31 (330d)

📋 WHOIS

⏱️ Lookup Timing

NS

278ms

A

224ms

MX

134ms

AAAA

218ms

TXT

455ms

CAA

222ms

HTTPS

124ms

TLSA

132ms

SOA

0ms

MTA-STS

155ms

DNSSEC

447ms

SRV

174ms

Total

2689ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 13:13:57	539ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-24 20:03:14	2689ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-08 07:22:15	788ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-13 05:50:18	900ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-24 21:28:51	859ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-24 11:42:14	761ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-19 23:18:07	699ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-17 06:16:05	10376ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-17 06:06:03	1463ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-17 06:02:57	308ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-17 06:00:39	389ms	2 NS 2 A 0 MX	🔓 Insecure	View