rademacherlab.dk is a .dk domain served by 2 nameservers (ns3.vest.net, ns4.vest.net). It was registered on 25 February 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 162.159.136.54 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.mx11.dk. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns3.vest.net | 138.197.177.154 | ns3.vest.net | AS14061 DigitalOcean, LLC |
| ns4.vest.net | 164.92.133.144 | ns4.vest.net | AS14061 DigitalOcean, LLC |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 162.159.136.54 | 3600s | — | AS13335 | Cloudflare, Inc. | 162.159.128.0/19 | — | — |
| 162.159.137.54 | 3600s | — | AS13335 | Cloudflare, Inc. | 162.159.128.0/19 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mail.mx11.dk | 140.82.38.100 | mail.mx11.dk | AS20473 The Constant Company, LLC |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 162.159.137.54 |
| 🔶 Autoconfig | 162.159.137.54 |
| TXT Record |
|---|
| google-site-verification=9VY2yxDrlHrUmEICY1lKRqmtqPbVqjae1ZcTX0Pug9Y |
| v=spf1 ip4:140.82.38.100 include:mail.mx11.dk include:_spf.google.com ~all |
| Policy | Record (rademacherlab.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:140.82.38.100 include:mail.mx11.dk include:_spf.google.com ~all |
| Policy | Record (_dmarc.rademacherlab.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; |
| www | 162.159.136.54 162.159.137.54 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network rademacherlab.dk: 162.159.136.54 162.159.137.54 (AS13335) www.rademacherlab.dk: 162.159.136.54 162.159.137.54 (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 3/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026101102 |
| Primary NS (MNAME) | ns3.vest.net |
| Responsible (RNAME) | hostmaster@vest.net |
| Refresh | 3600s |
| Retry | 600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2003-02-25 |
| Expires | 2027-02-28 (133d) |
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 |
|---|---|---|---|
| 2026-10-13 23:18:18 shown | 4949ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-09 11:48:31 | 9850ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-08 20:33:22 | 7080ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-25 06:57:40 | 656ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-20 07:52:44 | 782ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-10 15:38:01 | 875ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-21 00:25:22 | 539ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-20 20:48:07 | 1182ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 08:49:18 | 4468ms | 2 NS 2 A 1 MX | 🔓 Insecure |