koreuddannelse.dk DNS records

🖥️ Nameservers2 records 103ms

Nameserver	IP addresses	PTR	ASN / ISP
elisabeth.ns.cloudflare.com	108.162.194.224 162.159.38.224 172.64.34.224 2606:4700:50::a29f:26e0 2803:f800:50::6ca2:c2e0 2a06:98c1:50::ac40:22e0	elisabeth.ns.cloudflare.com elisabeth.ns.cloudflare.com elisabeth.ns.cloudflare.com elisabeth.ns.cloudflare.com elisabeth.ns.cloudflare.com elisabeth.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
gannon.ns.cloudflare.com	108.162.195.59 162.159.44.59 172.64.35.59 2606:4700:58::a29f:2c3b 2803:f800:50::6ca2:c33b 2a06:98c1:50::ac40:233b	gannon.ns.cloudflare.com gannon.ns.cloudflare.com gannon.ns.cloudflare.com gannon.ns.cloudflare.com gannon.ns.cloudflare.com gannon.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 95ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
212.100.173.131	300s	—	AS215262	Cloud Nord Limited	212.100.172.0/23	🇬🇧 United Kingdom	Manchester

📧 MX Records1 records 112ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	koreuddannelse-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca04::d 2a01:111:f403:ca09::f 2a01:111:f403:ca48::8 52.101.103.143 52.101.68.21 52.101.68.27 52.101.73.22	mail-db5pr02cu00100.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-am7pr05cu00106.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 → 40.104.116.56
🔶 Autoconfig	212.100.173.131

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 242ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records2 records 682ms

TXT Record
MS=ms30873755
v=spf1 include:spf.protection.outlook.com include:relay.outboundspamprotection.com -all

✉️ SPF

Policy	Record (koreuddannelse.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:relay.outboundspamprotection.com -all

📨 DMARC

Policy	Record (_dmarc.koreuddannelse.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:bb1e00b703ae4849a7c6a0049ffd9ed2@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)

🔐 DNSSEC309ms

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	2412958616
Primary NS (MNAME)	elisabeth.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

103ms

A

95ms

MX

112ms

AAAA

126ms

TXT

682ms

CAA

141ms

HTTPS

102ms

TLSA

1021ms

SOA

0ms

MTA-STS

235ms

DNSSEC

309ms

SRV

242ms

Total

6055ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-24 00:22:38	6055ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-22 19:08:12	3686ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-07 03:18:56	17171ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-03 21:38:35	14795ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-01 20:05:47	1402ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-30 21:22:09	1053ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-27 04:55:41	1157ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-27 02:40:23	1640ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-18 08:07:53	3972ms	2 NS 1 A 1 MX	⚠️ Bogus	View