stffn.dk is a .dk domain served by 4 nameservers (dns1.p01.nsone.net, dns2.p01.nsone.net, dns3.p01.nsone.net and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 35.157.26.135 is hosted by Amazon.com, Inc. (AS16509) in Germany. Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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.
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a05:d014:58f:6200::258 | 311s | — | AS16509 | Amazon.com, Inc. | 2a05:d000:0:0:0:0:0:0/25 | 🇩🇪 Germany | Frankfurt am Main |
| 2a05:d014:58f:6200::259 | 311s | — | AS16509 | Amazon.com, Inc. | 2a05:d000:0:0:0:0:0:0/25 | 🇩🇪 Germany | Frankfurt am Main |
| TXT Record |
|---|
| protonmail-verification=a5db4f2f27f2c5b998d84160bcb0be11bbb32502 |
| v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (stffn.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (_dmarc.stffn.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine |
| www | 35.157.26.135 63.176.8.218 2a05:d014:58f:6200::258 2a05:d014:58f:6200::259 (AS16509) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
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 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| 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 | 1700342920 |
| Primary NS (MNAME) | dns1.p01.nsone.net |
| Responsible (RNAME) | domains+netlify@netlify.com |
| Refresh | 43200s |
| Retry | 7200s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-04 01:43:40 shown | 692ms | 4 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-30 14:15:27 | 795ms | 4 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-25 02:36:31 | 1023ms | 4 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-21 22:47:32 | 710ms | 4 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-17 13:10:23 | 3540ms | 4 NS 2 A 2 MX | ⚠️ Bogus |