vittenbergskolen.dk DNS records

🖥️ Nameservers2 records 123ms

Nameserver	IP addresses	PTR	ASN / ISP
brit.ns.cloudflare.com	108.162.192.78 172.64.32.78 173.245.58.78 2606:4700:50::adf5:3a4e 2803:f800:50::6ca2:c04e 2a06:98c1:50::ac40:204e	brit.ns.cloudflare.com brit.ns.cloudflare.com brit.ns.cloudflare.com brit.ns.cloudflare.com brit.ns.cloudflare.com brit.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
mack.ns.cloudflare.com	108.162.195.37 162.159.44.37 172.64.35.37 2606:4700:58::a29f:2c25 2803:f800:50::6ca2:c325 2a06:98c1:50::ac40:2325	mack.ns.cloudflare.com mack.ns.cloudflare.com mack.ns.cloudflare.com mack.ns.cloudflare.com mack.ns.cloudflare.com mack.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 205ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.5.155	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.133.135	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 104ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:59b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:8587	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 93ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.5.155,172.67.133.135 ech=AEX+DQBB6AAgACDpnUx7tqw+BbPVVlHpD7WfMUorhCCLsWaF4xb4UbwREAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:59b,2606:4700:3033::ac43:8587

📝 TXT Records1 records 404ms

TXT Record
v=spf1 -all

✉️ SPF

Policy	Record (vittenbergskolen.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC

Policy	Record (_dmarc.vittenbergskolen.dk)
p=reject	v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s;

📬 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)

🔐 DNSSEC358ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	2413519500
Primary NS (MNAME)	brit.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

123ms

A

205ms

MX

125ms

AAAA

104ms

TXT

404ms

CAA

187ms

HTTPS

93ms

TLSA

166ms

SOA

0ms

MTA-STS

208ms

DNSSEC

358ms

SRV

272ms

Total

1684ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-30 23:59:20	1684ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-08-28 05:51:35	501ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-08-09 18:26:34	1874ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-07-31 09:47:06	8699ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-07-11 09:36:51	882ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-07-03 16:21:08	752ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-06-26 15:36:14	826ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-06-17 23:47:39	2787ms	2 NS 2 A 0 MX	🔒 Secure	View