intensivlæring.dk DNS records

🖥️ Nameservers2 records 66ms

Nameserver	IP addresses	PTR	ASN / ISP
cortney.ns.cloudflare.com	108.162.192.87 172.64.32.87 173.245.58.87 2606:4700:50::adf5:3a57 2803:f800:50::6ca2:c057 2a06:98c1:50::ac40:2057	cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
eric.ns.cloudflare.com	108.162.193.112 172.64.33.112 173.245.59.112 2606:4700:58::adf5:3b70 2803:f800:50::6ca2:c170 2a06:98c1:50::ac40:2170	eric.ns.cloudflare.com eric.ns.cloudflare.com eric.ns.cloudflare.com eric.ns.cloudflare.com eric.ns.cloudflare.com eric.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 60ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.7.201	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.187.254	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 49ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:7c9	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:bbfe	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 71ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.7.201,172.67.187.254 ech=AEX+DQBBgAAgACBsBwmpJtoXAu8nE7dC0yNU/gMn96j+Il4Aq94IVYncGgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:7c9,2606:4700:3036::ac43:bbfe

📝 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

🔗 TLSA / DANE

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

🔐 DNSSEC104ms

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	2412070473
Primary NS (MNAME)	cortney.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

66ms

A

60ms

MX

44ms

AAAA

49ms

TXT

198ms

CAA

68ms

HTTPS

71ms

TLSA

61ms

SOA

0ms

MTA-STS

71ms

DNSSEC

104ms

SRV

85ms

Total

1099ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-13 08:47:41	1099ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-31 10:18:22	1338ms	2 NS 2 A 0 MX	❓ Unknown	View
2026-07-24 13:44:43	8748ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-28 15:51:01	796ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-26 04:41:29	2375ms	2 NS 2 A 0 MX	❓ Unknown	View
2026-06-23 21:17:59	916ms	2 NS 2 A 0 MX	❓ Unknown	View
2026-06-22 21:01:20	1165ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 05:45:17	1044ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-06-17 17:17:00	267ms	0 NS 0 A 0 MX	🔒 Secure	View
2026-06-17 16:59:06	10133ms	2 NS 2 A 0 MX	🔒 Secure	View