thostr.dk is a .dk domain served by 2 nameservers (cruz.ns.cloudflare.com, dilbert.ns.cloudflare.com). It was registered on 22 July 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. The zone is not DNSSEC-signed, 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.
| TXT Record |
|---|
| pm-verification=cmpcazffmseyyvpdcsohfojsqwwrot |
| protonmail-verification=9d8859f82457c51e920dc49f9083e4490d53b0e4 |
| v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (thostr.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (_dmarc.thostr.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; |
| www | Exists, no address |
| www vs bare domain | Neither resolves thostr.dk: no address www.thostr.dk: no address |
| 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 | — | Revoked (empty key) |
| dkim | — | Revoked (empty key) |
| k1 | — | Revoked (empty key) |
| — | Revoked (empty key) | |
| s1 | — | Revoked (empty key) |
| s2 | — | Revoked (empty key) |
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.thostr.dk | BW0pIfmrGjQPmQbshnpnQOFg_HHfwETHEIDlU8y_Guc |
| TXT | _acme-challenge.thostr.dk | HYRXHbmGwjyS5COk38oCoANvPvbX5idFCrY_loFrCtY |
| 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 | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2414848224 |
| Primary NS (MNAME) | cruz.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2016-07-22 |
| Expires | 2028-07-31 (649d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 09:47:49 | 1799ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-10-10 05:36:00 | 1150ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-10-05 20:32:32 | 1027ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-10-04 20:26:33 | 2312ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-10-03 20:14:12 | 2330ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-10-02 20:11:34 | 506ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-09-27 07:04:59 | 808ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-09-26 07:00:26 | 2443ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-09-26 05:36:23 | 1171ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-09-23 04:24:06 | 1247ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-09-20 07:33:49 | 713ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-09-18 03:56:45 | 1211ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-09-14 09:06:35 shown | 868ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-08-27 00:25:36 | 568ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-08-10 14:40:19 | 1271ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-08-07 10:22:35 | 3059ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-07-17 07:29:54 | 16954ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-07-10 23:32:15 | 2193ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-06-26 17:56:30 | 871ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-06-20 09:52:36 | 547ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-06-18 04:33:44 | 980ms | 2 NS 0 A 2 MX | 🔓 Insecure |