b2bklubben.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 10 August 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by b2bklubben-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2.29.15.41 | 600s | static.41.15.29.2.clients.your-server.de | AS24940 | — | — | 🇩🇪 Germany | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.40 |
| 🔶 Autoconfig | maildiscover.simply.com → 94.231.108.222 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | maildiscover.simply.com |
| TXT Record |
|---|
| MS=ms72638674 |
| v=spf1 include:spf.protection.outlook.com include:spf.simply.com -all |
| Policy | Record (b2bklubben.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:spf.simply.com -all |
| Policy | Record (_dmarc.b2bklubben.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com; |
| www | 2.29.15.41 (AS24940) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 2/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026092500 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2020-08-10 |
| Expires | 2027-08-31 (314d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 09:12:31 | 883ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-14 08:07:52 | 1446ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 17:30:32 | 817ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-29 17:14:47 | 703ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-29 07:48:49 | 1047ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 06:19:08 shown | 1562ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-14 10:02:39 | 1455ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 23:37:34 | 1253ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-25 09:44:20 | 1577ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 07:02:20 | 863ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 13:57:11 | 711ms | 4 NS 1 A 1 MX | 🔒 Secure |