edulab.dk DNS records

🖥️ Nameservers2 records 37ms

Nameserver	IP addresses	PTR	ASN / ISP
cortney.ns.cloudflare.com	108.162.192.87 172.64.32.87 173.245.58.87 2606:4700:50::adf5:3a57 2803:f800:50::6ca2:c057 2a06:98c1:50::ac40:2057	cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
eric.ns.cloudflare.com	108.162.193.112 172.64.33.112 173.245.59.112 2606:4700:58::adf5:3b70 2803:f800:50::6ca2:c170 2a06:98c1:50::ac40:2170	eric.ns.cloudflare.com eric.ns.cloudflare.com eric.ns.cloudflare.com eric.ns.cloudflare.com eric.ns.cloudflare.com eric.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 32ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.63.7	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.168.247	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	edulab-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::c 2a01:111:f403:ca09::4 2a01:111:f403:ca09::c 52.101.68.18 52.101.68.32 52.101.73.19 52.101.73.2	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-as9pr07cu00302.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 36ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::ac43:a8f7	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:3f07	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 36ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.63.7,172.67.168.247 ech=AEX+DQBBuQAgACB9vsRVxsKcL2Mu7UmPq3EASQpYtG0h7TlezZEybwJJVwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:a8f7,2606:4700:3036::6815:3f07

📝 TXT Records3 records 152ms

TXT Record
google-site-verification=jk9dNgCwMVbx21gOJSPP0MonJmc5Ka9bHvvwMvBFg6o
MS=ms75731846
v=spf1 include:spf.protection.outlook.com ~all

✉️ SPF

Policy	Record (edulab.dk)
~all (soft fail)	v=spf1 include:spf.protection.outlook.com ~all

📨 DMARC

Policy	Record (_dmarc.edulab.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:a1d4951bf4fb930@rep.dmarcanalyzer.com; ruf=mailto:a1d4951bf4fb930@for.dmarcanalyzer.com; fo=1;

📬 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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.edulab.dk	4ET-U-81xEByPgH5dfcuA1gxhuK8Xsg51kj1irck7y0
TXT	_acme-challenge.edulab.dk	ixex0oXG4OUrBD7hJ2RGJ7ztXqfovwk99av_yISw-Gg

🔗 TLSA / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC109ms

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

🏷️ SOA0ms

Field	Value
Serial	2413315393
Primary NS (MNAME)	cortney.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

37ms

A

32ms

MX

34ms

AAAA

36ms

TXT

152ms

CAA

32ms

HTTPS

36ms

TLSA

175ms

SOA

0ms

MTA-STS

46ms

DNSSEC

109ms

SRV

55ms

Total

785ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 04:04:45	785ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-24 18:02:36	1442ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-20 01:36:51	2206ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-18 22:39:47	4388ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-17 14:09:57	3618ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-09 09:00:33	2259ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-16 14:30:37	1347ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-29 14:23:06	1483ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-25 20:26:43	2805ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-24 10:28:53	1126ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-20 15:16:34	627ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 05:55:51	682ms	2 NS 2 A 1 MX	🔓 Insecure	View