thebestbuy.dk

📜 Historical scan 2026-09-30 18:33:34 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

thebestbuy.dk is a .dk domain served by 2 nameservers (seamus.ns.cloudflare.com, tani.ns.cloudflare.com). It was registered on 1 February 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.229.236.29 is hosted by Edelskjold Holding ApS (AS215686) in Denmark. Mail is handled by thebestbuy-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 62ms

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 Records#

1 records 42ms

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 Records#

1 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	60s	thebestbuy-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:c967::c 2a01:111:f403:ca3c::a 2a01:111:f403:ca48::12 52.101.185.114 52.101.68.15 52.101.68.27 52.101.68.39	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-cpjpr05cu00204.inbound.protection.outlook.com mail-zrxpr07cu00102.inbound.protection.outlook.com mail-miypr05cu00202.inbound.protection.outlook.com mail-zrxpr04cu00102.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-db7pr03cu00607.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 → 40.104.116.56
🔶 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 Records#

1 records 74ms

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

📝 TXT Records#

2 records 197ms

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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-25 03:40:10

www CNAME	thebestbuy.dk (all on thebestbuy.dk) → 91.229.236.29 (AS215686)
www vs bare domain	Same network thebestbuy.dk: 91.229.236.29 (AS215686) www.thebestbuy.dk: 91.229.236.29 (AS215686)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: ~all

error include:hosting.bulldesign.dk has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)

🔏 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)

🔐 DNSSEC#

62ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

44ms

Field	Value
Serial	2415527450
Primary NS (MNAME)	seamus.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-06 13:29:07

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2017-02-01
Expires	2027-02-28 (123d)

📋 WHOIS#

⏱️ Lookup Timing#

62ms

42ms

AAAA

41ms

TXT

197ms

CAA

40ms

HTTPS

41ms

TLSA

236ms

SOA

44ms

MTA-STS

51ms

DNSSEC

62ms

SRV

74ms

Total

748ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-25 03:40:10	3948ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-08 03:18:46	872ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-30 18:33:34 shown	748ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-24 12:21:23	10040ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-23 03:46:55	1919ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-26 13:18:51	1296ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-25 11:00:22	939ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-22 05:15:57	2674ms	2 NS 1 A 1 MX	❓ Unknown
2026-08-21 04:53:47	9862ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-25 22:36:31	3920ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-21 22:23:42	1456ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-20 18:06:53	1158ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 14:44:03	2679ms	2 NS 1 A 1 MX	🔓 Insecure