rethink-tech.dk is a .dk domain served by 5 nameservers (ns1pri.webhosting.dk, ns2.mywebtonet.com, ns2.webhosting.dk and 2 more). It was registered on 3 February 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 157.250.160.35 is hosted by Cibicom A/S (AS3342) in Denmark. Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. The zone is DNSSEC-signed and validates, 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 157.250.160.35 | 600s | webhotel15.webhosting.dk | AS3342 | Cibicom A/S | 157.250.160.0/20 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 157.250.160.35 |
| 🔶 Autoconfig | 157.250.160.35 |
| TXT Record |
|---|
| protonmail-verification=5399e79231fcdc7bd8eaf732088707805155666d |
| v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (rethink-tech.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (_dmarc.rethink-tech.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine |
| www | 157.250.160.35 (AS3342) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 2/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2025020414 |
| Primary NS (MNAME) | ns1pri.webhosting.dk |
| Responsible (RNAME) | hostmaster@webhosting.dk |
| Refresh | 21600s |
| Retry | 3600s |
| Expire | 14515200s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2025-02-03 |
| Expires | 2027-02-02 (97d) |
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).
| Domain | Registrar |
|---|---|
| rethink-law.dk | Punktum dk A/S (direct) |
| rethinklaw.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-27 16:34:53 shown | 641ms | 5 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-30 14:58:02 | 790ms | 5 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-30 04:42:09 | 2216ms | 5 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-06 23:32:33 | 1599ms | 5 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-26 00:07:09 | 980ms | 5 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-25 10:35:23 | 2927ms | 5 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-17 19:42:09 | 766ms | 5 NS 1 A 2 MX | 🔒 Secure |