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.
| 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 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.24 |
| 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 | — | — |
| 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 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms27614684 |
| v=spf1 ip4:94.231.110.3 include:spf.protection.outlook.com include:spf.mailanyone.net -all |
| Policy | Record (b2bauctions.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:94.231.110.3 include:spf.protection.outlook.com include:spf.mailanyone.net -all |
| Policy | Record (_dmarc.b2bauctions.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; adkim=r; aspf=r; |
| 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 |
| 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.
DNS lookups: 2/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.b2bauctions.dk | LQ6hbwM7EjwArO1iIRtd5_YkpF2ygnE5GM1Bs8IQTqQ |
| TXT | _acme-challenge.b2bauctions.dk | _pjMhKFsvGKx96CXoNgt0p8EQPxQYypiqxOZ39nRBdM |
| TXT | _acme-challenge.b2bauctions.dk | axO-BgnQhVViFzWHw2zaFgGCujW0-ouivqKpsgaNJNs |
| TXT | _acme-challenge.b2bauctions.dk | gMEbb6SVl8l5wnipjmFQjlwVMDnNyWIv1E38aKVffEQ |
| TXT | _acme-challenge.b2bauctions.dk | rzJOOtSsoQN0cbCrZZXhM24imIfA92Sb5aSVNznVGhc |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2412731814 |
| Primary NS (MNAME) | finley.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | CURANET A/S |
| Registered | 2015-06-30 |
| Expires | 2030-06-30 (1351d) |
| 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 | 5800ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-08-21 01:06:57 shown | 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 |