rudiskøreskole.dk DNS records

🖥️ Nameservers2 records 62ms

Nameserver	IP addresses	PTR	ASN / ISP
alfred.ns.cloudflare.com	108.162.195.131 162.159.44.131 172.64.35.131 2606:4700:58::a29f:2c83 2803:f800:50::6ca2:c383 2a06:98c1:50::ac40:2383	alfred.ns.cloudflare.com alfred.ns.cloudflare.com alfred.ns.cloudflare.com alfred.ns.cloudflare.com alfred.ns.cloudflare.com alfred.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
isla.ns.cloudflare.com	108.162.192.119 172.64.32.119 173.245.58.119 2606:4700:50::adf5:3a77 2803:f800:50::6ca2:c077 2a06:98c1:50::ac40:2077	isla.ns.cloudflare.com isla.ns.cloudflare.com isla.ns.cloudflare.com isla.ns.cloudflare.com isla.ns.cloudflare.com isla.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 56ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.15	300s	vm1292.enterprisecloud.nu	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 225ms

TXT Record
v=spf1 mx a include:web.shared.mysmtp.com ~all

✉️ SPF

Policy	Record (rudiskøreskole.dk)
~all (soft fail)	v=spf1 mx a include:web.shared.mysmtp.com ~all

📨 DMARC

Policy	Record (_dmarc.rudiskøreskole.dk)
p=quarantine	v=DMARC1; p=quarantine

📬 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)

🔐 DNSSEC126ms

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	2412227480
Primary NS (MNAME)	alfred.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

62ms

A

56ms

MX

67ms

AAAA

70ms

TXT

225ms

CAA

91ms

HTTPS

46ms

TLSA

54ms

SOA

0ms

MTA-STS

87ms

DNSSEC

126ms

SRV

87ms

Total

710ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 09:06:16	710ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-08-16 09:09:47	1970ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-08-14 15:39:32	16808ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-08-13 15:00:45	2348ms	2 NS 1 A 0 MX	❓ Unknown	View
2026-07-18 18:29:01	1456ms	2 NS 1 A 0 MX	❓ Unknown	View
2026-06-27 05:37:01	747ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-06-26 01:50:26	684ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-06-25 04:43:32	466ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 05:09:50	383ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-06-17 20:16:13	945ms	2 NS 1 A 0 MX	🔒 Secure	View