thebestbuy.dk DNS records

🖥️ Nameservers2 records 43ms

Nameserver	IP addresses	PTR	ASN / ISP
seamus.ns.cloudflare.com	108.162.195.184 162.159.44.184 172.64.35.184 2606:4700:58::a29f:2cb8 2803:f800:50::6ca2:c3b8 2a06:98c1:50::ac40:23b8	seamus.ns.cloudflare.com seamus.ns.cloudflare.com seamus.ns.cloudflare.com seamus.ns.cloudflare.com seamus.ns.cloudflare.com seamus.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
tani.ns.cloudflare.com	108.162.192.224 172.64.32.224 173.245.58.224 2606:4700:50::adf5:3ae0 2803:f800:50::6ca2:c0e0 2a06:98c1:50::ac40:20e0	tani.ns.cloudflare.com tani.ns.cloudflare.com tani.ns.cloudflare.com tani.ns.cloudflare.com tani.ns.cloudflare.com tani.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 55ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.229.236.29	60s	hosting.bulldesign.dk	AS215686	Edelskjold Holding ApS	91.229.236.0/24	🇩🇰 Denmark	—

📧 MX Records1 records 38ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	60s	thebestbuy-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca09::1 2a01:111:f403:ca09::9 2a01:111:f403:ca09::d 52.101.68.10 52.101.73.11 52.101.73.28 52.101.73.30	mail-db4pr02cu00406.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am7pr05cu00204.inbound.protection.outlook.com mail-am7pr05cu00306.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
🔶 Autoconfig	91.229.236.29

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 93ms

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

📝 TXT Records2 records 205ms

TXT Record
MS=ms89349433
v=spf1 +a +mx +ip4:91.229.236.29 include:spf.protection.outlook.com include:hosting.bulldesign.dk include:spf.speedio.dk ~all

✉️ SPF

Policy	Record (thebestbuy.dk)
~all (soft fail)	v=spf1 +a +mx +ip4:91.229.236.29 include:spf.protection.outlook.com include:hosting.bulldesign.dk include:spf.speedio.dk ~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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.thebestbuy.dk	3ORGu-FOUr5a80ZfP_B8tIGPtull2W6efiafjt59PYw

🔗 TLSA / DANE

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

🔐 DNSSEC103ms

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	2412838557
Primary NS (MNAME)	seamus.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

43ms

A

55ms

MX

38ms

AAAA

56ms

TXT

205ms

CAA

54ms

HTTPS

42ms

TLSA

611ms

SOA

0ms

MTA-STS

50ms

DNSSEC

103ms

SRV

93ms

Total

1296ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 13:18:51	1296ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-25 11:00:22	939ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-22 05:15:57	2674ms	2 NS 1 A 1 MX	❓ Unknown	View
2026-08-21 04:53:47	9862ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-25 22:36:31	3920ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-21 22:23:42	1456ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-20 18:06:53	1158ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 14:44:03	2679ms	2 NS 1 A 1 MX	🔓 Insecure	View