onlineskolemad.dk DNS records

🖥️ Nameservers2 records 50ms

Nameserver	IP addresses	PTR	ASN / ISP
alec.ns.cloudflare.com	108.162.193.59 172.64.33.59 173.245.59.59 2606:4700:58::adf5:3b3b 2803:f800:50::6ca2:c13b 2a06:98c1:50::ac40:213b	alec.ns.cloudflare.com alec.ns.cloudflare.com alec.ns.cloudflare.com alec.ns.cloudflare.com alec.ns.cloudflare.com alec.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
princess.ns.cloudflare.com	108.162.194.17 162.159.38.17 172.64.34.17 2606:4700:50::a29f:2611 2803:f800:50::6ca2:c211 2a06:98c1:50::ac40:2211	princess.ns.cloudflare.com princess.ns.cloudflare.com princess.ns.cloudflare.com princess.ns.cloudflare.com princess.ns.cloudflare.com princess.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.11.78	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.165.167	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 53ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:b4e	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:a5a7	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=104.21.11.78,172.67.165.167 ech=AEX+DQBBHgAgACCKOtxQrGYXLqJwtRz8+a0NbCvy4yE1R1xOhVGpFgBzDAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:b4e,2606:4700:3036::ac43:a5a7

📝 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)

🔐 DNSSEC92ms

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	2412851253
Primary NS (MNAME)	alec.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

50ms

A

43ms

MX

62ms

AAAA

53ms

TXT

207ms

CAA

72ms

HTTPS

56ms

TLSA

53ms

SOA

0ms

MTA-STS

75ms

DNSSEC

92ms

SRV

100ms

Total

1196ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 22:01:53	1196ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-22 21:15:23	4208ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-21 21:05:57	2866ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-08 06:58:30	2944ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-26 20:20:17	1524ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-26 18:05:57	823ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-18 05:12:12	885ms	2 NS 2 A 0 MX	🔓 Insecure	View