b2bauctions.dk

📜 Historical scan 2026-08-24 03:10:42 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

b2bauctions.dk is a .dk domain served by 2 nameservers (finley.ns.cloudflare.com, nadia.ns.cloudflare.com). It was registered on 30 June 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.26.8.135 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by b2bauctions-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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 66ms

Nameserver	IP addresses	PTR	ASN / ISP
finley.ns.cloudflare.com	108.162.195.58 162.159.44.58 172.64.35.58 2606:4700:58::a29f:2c3a 2803:f800:50::6ca2:c33a 2a06:98c1:50::ac40:233a	finley.ns.cloudflare.com finley.ns.cloudflare.com finley.ns.cloudflare.com finley.ns.cloudflare.com finley.ns.cloudflare.com finley.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
nadia.ns.cloudflare.com	108.162.192.207 172.64.32.207 173.245.58.207 2606:4700:50::adf5:3acf 2803:f800:50::6ca2:c0cf 2a06:98c1:50::ac40:20cf	nadia.ns.cloudflare.com nadia.ns.cloudflare.com nadia.ns.cloudflare.com nadia.ns.cloudflare.com nadia.ns.cloudflare.com nadia.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

3 records 75ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.26.8.135	300s	—	AS13335	Cloudflare, Inc.	104.26.0.0/20	—	—
104.26.9.135	300s	—	AS13335	Cloudflare, Inc.	104.26.0.0/20	—	—
172.67.72.51	300s	—	AS13335	Cloudflare, Inc.	172.67.64.0/18	—	—

📧 MX Records#

1 records 150ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	b2bauctions-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::5 2a01:111:f403:ca09::5 2a01:111:f403:ca09::7 52.101.103.140 52.101.68.16 52.101.68.29 52.101.73.26	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-as9pr05cu01302.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)#

3 records 114ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:20::681a:887	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—
2606:4700:20::681a:987	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—
2606:4700:20::ac43:4833	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—

🔐 HTTPS Records#

1 records 163ms

Priority	Target	SvcParams
1 service	.	alpn="h2" ipv4hint=104.26.8.135,104.26.9.135,172.67.72.51 ipv6hint=2606:4700:20::681a:887,2606:4700:20::681a:987,2606:4700:20::ac43:4833

🔌 SRV Records#

1 records 173ms

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

📝 TXT Records#

2 records 387ms

TXT Record
MS=ms27614684
v=spf1 ip4:94.231.110.3 include:spf.protection.outlook.com include:spf.mailanyone.net -all

✉️ SPF#

Policy	Record (b2bauctions.dk)
-all (hard fail)	v=spf1 ip4:94.231.110.3 include:spf.protection.outlook.com include:spf.mailanyone.net -all

📨 DMARC#

Policy	Record (_dmarc.b2bauctions.dk)
p=reject	v=DMARC1; p=reject; adkim=r; aspf=r;

📬 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 2026-10-17 14:13:53

www	104.26.8.135 104.26.9.135 172.67.72.51 2606:4700:20::681a:887 2606:4700:20::681a:987 2606:4700:20::ac43:4833 (AS13335) (address records, no CNAME)
www vs bare domain	Same network b2bauctions.dk: 104.26.8.135 104.26.9.135 172.67.72.51 2606:4700:20::681a:887 (AS13335) www.b2bauctions.dk: 104.26.8.135 104.26.9.135 172.67.72.51 2606:4700:20::681a:887 (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Delete signal: the zone asks the registry to remove its DS (go insecure) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
default	—	RSA · ~2048 bit
dkim	ph._domainkey.powerhosting.dk	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.b2bauctions.dk	gMEbb6SVl8l5wnipjmFQjlwVMDnNyWIv1E38aKVffEQ
TXT	_acme-challenge.b2bauctions.dk	LQ6hbwM7EjwArO1iIRtd5_YkpF2ygnE5GM1Bs8IQTqQ
TXT	_acme-challenge.b2bauctions.dk	_pjMhKFsvGKx96CXoNgt0p8EQPxQYypiqxOZ39nRBdM

🔗 TLSA / DANE#

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

🔐 DNSSEC#

219ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2413000720
Primary NS (MNAME)	finley.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-08-26 01:54:03

Field	Value
Registrar	CURANET A/S
Registered	2015-06-30
Expires	2030-06-30 (1350d)

📋 WHOIS#

⏱️ Lookup Timing#

66ms

75ms

150ms

AAAA

114ms

TXT

387ms

CAA

97ms

HTTPS

163ms

TLSA

1270ms

SOA

0ms

MTA-STS

157ms

DNSSEC

219ms

SRV

173ms

Total

5800ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-17 14:13:53	3705ms	2 NS 3 A 1 MX	🔓 Insecure
2026-10-07 12:41:53	1087ms	2 NS 3 A 1 MX	🔓 Insecure
2026-09-27 21:51:08	1669ms	2 NS 3 A 1 MX	🔓 Insecure
2026-09-25 21:09:17	1643ms	2 NS 3 A 1 MX	🔓 Insecure
2026-09-24 20:54:15	1106ms	2 NS 3 A 1 MX	🔓 Insecure
2026-09-17 20:23:20	1423ms	2 NS 3 A 1 MX	🔓 Insecure
2026-09-11 06:59:25	3167ms	2 NS 3 A 1 MX	🔓 Insecure
2026-09-04 01:25:46	995ms	2 NS 3 A 1 MX	🔓 Insecure
2026-08-30 16:04:21	952ms	2 NS 3 A 1 MX	🔓 Insecure
2026-08-26 22:53:13	1011ms	2 NS 3 A 1 MX	🔓 Insecure
2026-08-26 01:52:46	1121ms	2 NS 3 A 1 MX	🔓 Insecure
2026-08-25 03:41:36	18826ms	2 NS 3 A 1 MX	🔓 Insecure
2026-08-24 03:10:42 shown	5800ms	2 NS 3 A 1 MX	🔓 Insecure
2026-08-21 01:06:57	1942ms	2 NS 3 A 1 MX	🔓 Insecure
2026-08-19 23:48:33	3316ms	2 NS 3 A 1 MX	🔓 Insecure
2026-08-17 15:40:56	3565ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-23 16:48:32	2187ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 16:28:55	1170ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 01:22:44	2847ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 13:57:24	703ms	2 NS 1 A 1 MX	🔒 Secure