dybboelefterskole.dk DNS records

🖥️ Nameservers2 records 39ms

Nameserver	IP addresses	PTR	ASN / ISP
ruben.ns.cloudflare.com	108.162.195.71 162.159.44.71 172.64.35.71 2606:4700:58::a29f:2c47 2803:f800:50::6ca2:c347 2a06:98c1:50::ac40:2347	ruben.ns.cloudflare.com ruben.ns.cloudflare.com ruben.ns.cloudflare.com ruben.ns.cloudflare.com ruben.ns.cloudflare.com ruben.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
wanda.ns.cloudflare.com	108.162.192.240 172.64.32.240 173.245.58.240 2606:4700:50::adf5:3af0 2803:f800:50::6ca2:c0f0 2a06:98c1:50::ac40:20f0	wanda.ns.cloudflare.com wanda.ns.cloudflare.com wanda.ns.cloudflare.com wanda.ns.cloudflare.com wanda.ns.cloudflare.com wanda.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records3 records 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
51.38.38.70	300s	edge6.netkant.eu	AS16276	OVH SAS	51.38.0.0/16	🇫🇷 France	—
51.68.137.74	300s	edge5.netkant.eu	AS16276	OVH SAS	51.68.0.0/16	🇵🇱 Poland	Warsaw
162.19.250.219	300s	edge1.netkant.eu	AS16276	OVH SAS	162.19.0.0/16	🇫🇷 France	—

📧 MX Records3 records 27ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx2-dk.centerasecurity.dk	128.76.60.168 128.76.60.169 89.233.19.128 89.233.19.129	mx6.centerasecurity.dk mx6.centerasecurity.dk mx14.centerasecurity.dk mx14.centerasecurity.dk	AS3292 TDC Holding A/S AS3292 TDC Holding A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S
10	300s	mx1-dk.centerasecurity.dk	128.76.60.167 128.76.60.187 89.233.19.127 89.233.19.188	mx6.centerasecurity.dk mx6.centerasecurity.dk mx14.centerasecurity.dk mx14.centerasecurity.dk	AS3292 TDC Holding A/S AS3292 TDC Holding A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S
20	300s	mx3-dk.centerasecurity.dk	128.76.60.187 89.233.19.129	mx6.centerasecurity.dk mx14.centerasecurity.dk	AS3292 TDC Holding A/S AS3308 Norlys Digital A/S

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 87ms

TXT Record
MS=ms44385597
v=spf1 include:spf.protection.outlook.com include:_spf.centerasecurity.dk ip4:37.128.222.243 -all

✉️ SPF

Policy	Record (dybboelefterskole.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:_spf.centerasecurity.dk ip4:37.128.222.243 -all

📨 DMARC

Policy	Record (_dmarc.dybboelefterskole.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:vc7eg1e0@ag.eu.dmarcian.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

🔗 TLSA / DANE6 records 210ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	56315B43B892E9AEE184919EC6A5821C…
SMTP _25._tcp.mx1-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	D4C349E7B72F5CF4A9CEA358F98947C2…
SMTP _25._tcp.mx2-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	D4C349E7B72F5CF4A9CEA358F98947C2…
SMTP _25._tcp.mx2-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	56315B43B892E9AEE184919EC6A5821C…
SMTP _25._tcp.mx3-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	56315B43B892E9AEE184919EC6A5821C…
SMTP _25._tcp.mx3-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	D4C349E7B72F5CF4A9CEA358F98947C2…

🔐 DNSSEC148ms

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

🏷️ SOA7ms

Field	Value
Serial	2412521877
Primary NS (MNAME)	ruben.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

39ms

A

39ms

MX

27ms

AAAA

33ms

TXT

87ms

CAA

7ms

HTTPS

65ms

TLSA

210ms

SOA

7ms

MTA-STS

12ms

DNSSEC

148ms

SRV

0ms

Total

3197ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 21:24:03	3197ms	2 NS 3 A 3 MX	🔓 Insecure	View
2026-08-27 00:04:47	1366ms	2 NS 3 A 3 MX	🔓 Insecure	View
2026-08-19 04:19:04	2070ms	2 NS 3 A 3 MX	🔓 Insecure	View
2026-08-08 11:49:05	25655ms	2 NS 3 A 3 MX	🔓 Insecure	View
2026-08-05 14:31:16	3319ms	2 NS 3 A 3 MX	🔓 Insecure	View
2026-06-29 01:47:24	1182ms	2 NS 4 A 3 MX	🔓 Insecure	View
2026-06-23 08:29:52	2438ms	2 NS 4 A 3 MX	🔓 Insecure	View
2026-06-17 05:05:26	1099ms	2 NS 4 A 3 MX	🔓 Insecure	View