businessinstitute.dk DNS records

🖥️ Nameservers2 records 285ms

Nameserver	IP addresses	PTR	ASN / ISP
lady.ns.cloudflare.com	108.162.192.127 172.64.32.127 173.245.58.127 2606:4700:50::adf5:3a7f 2803:f800:50::6ca2:c07f 2a06:98c1:50::ac40:207f	lady.ns.cloudflare.com lady.ns.cloudflare.com lady.ns.cloudflare.com lady.ns.cloudflare.com lady.ns.cloudflare.com lady.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
yahir.ns.cloudflare.com	108.162.195.34 162.159.44.34 172.64.35.34 2606:4700:58::a29f:2c22 2803:f800:50::6ca2:c322 2a06:98c1:50::ac40:2322	yahir.ns.cloudflare.com yahir.ns.cloudflare.com yahir.ns.cloudflare.com yahir.ns.cloudflare.com yahir.ns.cloudflare.com yahir.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 255ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.38.114	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.222.70	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 277ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	businessinstitute-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::c 2a01:111:f403:ca09::6 2a01:111:f403:ca09::9 52.101.68.0 52.101.68.36 52.101.73.153 52.101.73.26	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-as9pr05cu01302.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 → 40.104.116.24

🔷 AAAA Records (IPv6)2 records 266ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:2672	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:de46	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 276ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.38.114,172.67.222.70 ech=AEX+DQBBnwAgACDrzoZpDF1xlBTsQMbcrKQlxnsf51VQ//sSeHjqKdDHWQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:2672,2606:4700:3037::ac43:de46

🔌 SRV Records1 records 353ms

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

📝 TXT Records3 records 810ms

TXT Record
google-site-verification=4mYWJ-Hs804WOQyh9DAWq9rqLsT_LMVe-Xcr62bguKs
MS=ms17506444
v=spf1 include:_spf.mlsend.com include:_spf.google.com include:spf.protection.outlook.com include:spf.eu.signature365.net ~all

✉️ SPF

Policy	Record (businessinstitute.dk)
~all (soft fail)	v=spf1 include:_spf.mlsend.com include:_spf.google.com include:spf.protection.outlook.com include:spf.eu.signature365.net ~all

📨 DMARC

Policy	Record (_dmarc.businessinstitute.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:rua+xcg75gf9wro2@dmarcwise.email;

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

Status	Report address (rua)
✓ Enabled	mailto:rua+xcg75gf9wro2@dmarcwise.email

📜 CAA Records

✗ No CAA records — any CA may issue certificates

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.businessinstitute.dk	PUeR_gwz8A-yyroIRuvhcadu2P_PIlGLYvRxE4hWwHg

🔗 TLSA / DANE

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

🔐 DNSSEC398ms

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

🏷️ SOA0ms

Field	Value
Serial	2412894919
Primary NS (MNAME)	lady.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 RegistrationWHOIS fetched 2026-07-05 22:51:27

Field	Value
Registrar	CURANET A/S
Registered	2007-01-25
Expires	2028-01-31 (513d)

📋 WHOIS

⏱️ Lookup Timing

NS

285ms

A

255ms

MX

277ms

AAAA

266ms

TXT

810ms

CAA

264ms

HTTPS

276ms

TLSA

1051ms

SOA

0ms

MTA-STS

353ms

DNSSEC

398ms

SRV

353ms

Total

8432ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-23 03:31:25	8432ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-08-09 05:08:16	9595ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-08-06 18:42:50	1767ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-17 14:06:52	1936ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-05 22:47:19	1511ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-16 17:50:27	774ms	2 NS 2 A 1 MX	🔒 Secure	View