business-institute.dk DNS records

🖥️ Nameservers2 records 89ms

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 113ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.0.160	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.151.69	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 86ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	businessinstitute-dk02b.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca04::e 2a01:111:f403:ca09::28 2a01:111:f403:ca09::5 52.101.68.25 52.101.68.3 52.101.73.12 52.101.73.145	mail-db7pr03cu00601.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-am6pr02cu00301.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 181ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:a0	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:9745	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 131ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.0.160,172.67.151.69 ech=AEX+DQBBTwAgACBkZm1uIY+/MIQZO/yAHC66UncshenTZuuMNcRj9Z1FdAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:a0,2606:4700:3037::ac43:9745

🔌 SRV Records2 records 256ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	1	1	443	remote.business-institute.dk
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records9 records 583ms

TXT Record
_globalsign-domain-verification=ILR8fcO_uWm9XLABtPcQVLi99SVvTGn8BTuON_ov_r
apple-domain-verification=v0Gx2aImmVO0vos1
facebook-domain-verification=4j6mhzaw7bgi51z777sejeazk3wnkp
google-site-verification=4bHCq27NCWkZCnRhUzjbVShMlE8L1OpeP7cqBcRHZsc
google-site-verification=LE7QOeaEDyHQ5Wp35goJl9wA5PK6EBETh6tmZhXZjdk
google-site-verification=v1ORlpaOC-awMufspLe1OAHS_rDv_Prrkwu3B1EtdfI
MS=ms73865069
MS=ms90765424
v=spf1 include:spf.protection.outlook.com include:_spf.online.superoffice.com include:spf.jcdhotel.dk include:_custspf.one.com include:spf.eu.signature365.net ~all

✉️ SPF

Policy	Record (business-institute.dk)
~all (soft fail)	v=spf1 include:spf.protection.outlook.com include:_spf.online.superoffice.com include:spf.jcdhotel.dk include:_custspf.one.com include:spf.eu.signature365.net ~all

📨 DMARC

Policy	Record (_dmarc.business-institute.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:rua+z2k4ts6na4oz@dmarcwise.email; fo=1;

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

Status	Report address (rua)
✓ Enabled	mailto:rua+z2k4ts6na4oz@dmarcwise.email

📜 CAA Records

✗ No CAA records — any CA may issue certificates

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.business-institute.dk	HRnqcf1xkcjVpz9l7kFuJ9ASaIHkU1R1HezfpKeDpm4
TXT	_acme-challenge.business-institute.dk	JUQ6Ri50sVqziFFvrxjxk8X-fD5SmRCWp6k8M_E9-tw

🔗 TLSA / DANE

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

🔐 DNSSEC347ms

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	2413439337
Primary NS (MNAME)	lady.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

89ms

A

113ms

MX

86ms

AAAA

181ms

TXT

583ms

CAA

106ms

HTTPS

131ms

TLSA

797ms

SOA

0ms

MTA-STS

293ms

DNSSEC

347ms

SRV

256ms

Total

3184ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-29 20:58:08	3184ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-25 16:32:13	1845ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-27 07:32:14	3018ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-01 07:41:26	1627ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-29 07:18:20	1434ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-26 07:05:35	1575ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-25 07:38:57	3133ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-22 23:25:14	3872ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-21 09:09:56	1142ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 16:03:18	2288ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-16 17:50:42	784ms	2 NS 2 A 1 MX	🔓 Insecure	View