klassefest.dk DNS records

🖥️ Nameservers2 records 30ms

Nameserver	IP addresses	PTR	ASN / ISP
hans.ns.cloudflare.com	108.162.193.175 172.64.33.175 173.245.59.175 2606:4700:58::adf5:3baf 2803:f800:50::6ca2:c1af 2a06:98c1:50::ac40:21af	hans.ns.cloudflare.com hans.ns.cloudflare.com hans.ns.cloudflare.com hans.ns.cloudflare.com hans.ns.cloudflare.com hans.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
lia.ns.cloudflare.com	108.162.192.185 172.64.32.185 173.245.58.185 2606:4700:50::adf5:3ab9 2803:f800:50::6ca2:c0b9 2a06:98c1:50::ac40:20b9	lia.ns.cloudflare.com lia.ns.cloudflare.com lia.ns.cloudflare.com lia.ns.cloudflare.com lia.ns.cloudflare.com lia.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 26ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.39.103	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.144.52	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 27ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	klassefest-dk.mail.protection.outlook.com	2a01:111:f403:ca04::e 2a01:111:f403:ca09::2 2a01:111:f403:ca09::26 2a01:111:f403:ca09::9 52.101.103.140 52.101.68.18 52.101.73.28 52.101.73.30	mail-db8pr02cu00106.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-am7pr05cu00204.inbound.protection.outlook.com mail-am7pr05cu00306.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.8

🔷 AAAA Records (IPv6)2 records 30ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:2767	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::ac43:9034	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 30ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.39.103,172.67.144.52 ech=AEX+DQBBBgAgACBEL2kTc7t0No4sUAg1lNvXQizBjLJ7M2y7TwDjxpjiUQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:2767,2606:4700:3032::ac43:9034

📝 TXT Records1 records 159ms

TXT Record
v=spf1 a:eukjnfrarxznwdu.directoryup.com include:sendgrid.net include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (klassefest.dk)
-all (hard fail)	v=spf1 a:eukjnfrarxznwdu.directoryup.com include:sendgrid.net include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.klassefest.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:535d29410a4e45a1b4dcb68de01896ba@dmarc-reports.cloudflare.net

📬 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)

🔐 DNSSEC94ms

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	2413652713
Primary NS (MNAME)	hans.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

30ms

A

26ms

MX

27ms

AAAA

30ms

TXT

159ms

CAA

34ms

HTTPS

30ms

TLSA

470ms

SOA

0ms

MTA-STS

48ms

DNSSEC

94ms

SRV

54ms

Total

3627ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 19:59:08	3627ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-29 15:31:12	1997ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-24 12:54:30	13914ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-11 00:05:58	10464ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-28 15:31:53	1001ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 13:11:53	1418ms	2 NS 2 A 1 MX	🔓 Insecure	View