kuvert.dk is a .dk domain served by 2 nameservers (ns1.hoststack.dev, ns2.hoststack.dev). It was registered on 19 August 2026 (WHOIS) and first appeared in the .dk zone on 20 August 2026. Its website address 204.168.149.149 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by inbound.poststack.dev. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 204.168.149.149 | 3600s | static.149.149.168.204.clients.your-server.de | AS24940 | Hetzner Online GmbH | 204.168.128.0/17 | 🇩🇪 Germany | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | inbound.poststack.dev | 89.167.61.217 | poststack.dev | AS24940 Hetzner Online GmbH |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _imaps._tcp | 0 | 1 | 993 | poststack.dev |
| TXT Record |
|---|
| google-site-verification=jyJCAZHIVS8FRZmIcfSICyJPJUzynRqqDN9sLGjdKBA |
| google-site-verification=wS9rgec5SeNqxrgsCxjosaBcMI4mB9zNJEI8BvYq46I |
| v=spf1 include:poststack.dev -all |
| Policy | Record (kuvert.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:poststack.dev -all |
| Policy | Record (_dmarc.kuvert.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; adkim=r; aspf=r; pct=100; rua=mailto:dmarc@poststack.dev |
| www | 204.168.149.149 (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) 0 CDS, 1 CDNSKEY |
DNS lookups: 1/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026100801 |
| Primary NS (MNAME) | ns1.hoststack.dev |
| Responsible (RNAME) | hostmaster@hoststack.dev |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2026-08-19 |
| Expires | 2027-08-18 (305d) |
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 |
|---|---|
| adsmark.dk | Simply.com A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 18:35:48 | 1521ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-08 23:21:08 shown | 1127ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-06 23:13:40 | 1057ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-01 22:56:57 | 4168ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-24 21:18:53 | 758ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-23 20:30:33 | 1145ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-13 12:10:18 | 2031ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-06 11:15:26 | 1694ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-28 03:16:06 | 9658ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 22:59:15 | 957ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-22 09:41:54 | 9240ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-20 08:58:09 | 2789ms | 2 NS 1 A 1 MX | 🔓 Insecure |