centralbusiness.dk DNS records

🖥️ Nameservers2 records 59ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records1 records 54ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.42.109	3600s	prolinux7.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records1 records 22ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	centralbusiness-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca04::9 2a01:111:f403:ca04::d 2a01:111:f403:ca09:: 52.101.68.21 52.101.68.36 52.101.73.1 52.101.73.8	mail-db5pr02cu00100.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am0pr04cu00500.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)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 90ms

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

📝 TXT Records5 records 184ms

TXT Record
google-site-verification=cxpvfORzzxHeiTaXJyyM7-gSzI8CVbn3c2Tj5LNm1Mw
google-site-verification=eKWKJQaJEa4qgwb0Sqi9TZjGjg26YQg1ho1Os6Wd3-4
google-site-verification=Nue505887s3rUMnZwaf3X1MiFaeArLgN9NSZOx4WhCo
MS=ms25682146
v=spf1 ip4:91.133.35.4 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (centralbusiness.dk)
-all (hard fail)	v=spf1 ip4:91.133.35.4 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.centralbusiness.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100; rua=mailto:mail@centralbusiness.dk; 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.centralbusiness.dk	VTvNum2c2v4AdkKxEtcQbJZ6eZd5i99RcW6ESGVqsR8

🔗 TLSA / DANE

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

🔐 DNSSEC128ms

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

🏷️ SOA0ms

Field	Value
Serial	2025022603
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

59ms

A

54ms

MX

22ms

AAAA

80ms

TXT

184ms

CAA

56ms

HTTPS

36ms

TLSA

240ms

SOA

0ms

MTA-STS

120ms

DNSSEC

128ms

SRV

90ms

Total

988ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 17:09:52	988ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-19 10:30:43	9345ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 20:05:18	1781ms	2 NS 1 A 1 MX	🔒 Secure	View