rektorkollegiet.dk DNS records

🖥️ Nameservers2 records 171ms

Nameserver	IP addresses	PTR	ASN / ISP
grace.ns.cloudflare.com	108.162.192.159 172.64.32.159 173.245.58.159 2606:4700:50::adf5:3a9f 2803:f800:50::6ca2:c09f 2a06:98c1:50::ac40:209f	grace.ns.cloudflare.com grace.ns.cloudflare.com grace.ns.cloudflare.com grace.ns.cloudflare.com grace.ns.cloudflare.com grace.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
grant.ns.cloudflare.com	108.162.195.130 162.159.44.130 172.64.35.130 2606:4700:58::a29f:2c82 2803:f800:50::6ca2:c382 2a06:98c1:50::ac40:2382	grant.ns.cloudflare.com grant.ns.cloudflare.com grant.ns.cloudflare.com grant.ns.cloudflare.com grant.ns.cloudflare.com grant.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 157ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.91.12	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.207.75	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 108ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	rektorkollegiet-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca04::b 2a01:111:f403:ca09::c 2a01:111:f403:ca48::c 52.101.68.29 52.101.68.32 52.101.73.12 52.101.73.4	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-am0pr83cu00404.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 → 40.104.116.40

🔷 AAAA Records (IPv6)2 records 97ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:5b0c	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:cf4b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 96ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.91.12,172.67.207.75 ech=AEX+DQBB1wAgACA7s+hItP6lBgSy/8FnCc+OwUdi1rhFwkxfr1yPQ1Q+HAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:5b0c,2606:4700:3033::ac43:cf4b

🔌 SRV Records1 records 191ms

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

📝 TXT Records3 records 522ms

TXT Record
MS=ms31835586
RektorkollegietsSekretariat
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 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)

🔐 DNSSEC380ms

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	2412995126
Primary NS (MNAME)	grace.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 RegistrationWHOIS fetched 2026-08-14 20:54:09

Field	Value
Registrar	PROCOPA IT ApS
Registered	2001-09-12
Expires	2026-09-30 (25d)

📋 WHOIS

⏱️ Lookup Timing

NS

171ms

A

157ms

MX

108ms

AAAA

97ms

TXT

522ms

CAA

91ms

HTTPS

96ms

TLSA

1043ms

SOA

0ms

MTA-STS

167ms

DNSSEC

380ms

SRV

191ms

Total

5861ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-24 05:39:00	5861ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-14 20:53:31	1379ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-27 13:06:17	1985ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-25 23:18:39	1036ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-20 14:32:12	937ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 11:48:57	1135ms	2 NS 2 A 1 MX	🔓 Insecure	View