businesskortet.dk DNS records

🖥️ Nameservers4 records 66ms

Nameserver	IP addresses	PTR	ASN / ISP
ns-1035.awsdns-01.org	205.251.196.11 2600:9000:5304:b00::1	ns-1035.awsdns-01.org ns-1035.awsdns-01.org	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-1934.awsdns-49.co.uk	205.251.199.142 2600:9000:5307:8e00::1	ns-1934.awsdns-49.co.uk ns-1934.awsdns-49.co.uk	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-206.awsdns-25.com	205.251.192.206 2600:9000:5300:ce00::1	ns-206.awsdns-25.com ns-206.awsdns-25.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-738.awsdns-28.net	205.251.194.226 2600:9000:5302:e200::1	ns-738.awsdns-28.net ns-738.awsdns-28.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

🌍 A Records1 records 40ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
23.227.38.65	3600s	myshopify.com	AS13335	Cloudflare, Inc.	23.227.38.0/23	🇨🇦 Canada	Ottawa

📧 MX Records1 records 53ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	businesskortet-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca09::24 2a01:111:f403:ca09::8 2a01:111:f403:ca38::8 52.101.68.10 52.101.68.8 52.101.73.1 52.101.73.24	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-as8pr05cu00300.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 → 40.104.116.8

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 224ms

TXT Record
facebook-domain-verification=ldbvtriravajo5rp7jd7ocm8wxs7kg
MS=ms96708155
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (businesskortet.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)

🔐 DNSSEC124ms

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	1
Primary NS (MNAME)	ns-1035.awsdns-01.org
Responsible (RNAME)	awsdns-hostmaster@amazon.com
Refresh	7200s
Retry	900s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

66ms

A

40ms

MX

53ms

AAAA

60ms

TXT

224ms

CAA

51ms

HTTPS

61ms

TLSA

179ms

SOA

0ms

MTA-STS

106ms

DNSSEC

124ms

SRV

88ms

Total

3272ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 14:30:09	3272ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-26 11:35:26	1779ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-22 14:03:21	1644ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 17:50:40	1189ms	4 NS 1 A 1 MX	🔓 Insecure	View