szn.dk is a .dk domain served by 4 nameservers (pns21.cloudns.net, pns22.cloudns.net, pns23.cloudns.net and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.107.169.23 is hosted by BornFiber Service Provider ApS (AS24800) in Denmark. Mail is handled by smtp.google.com. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 185.107.169.23 | 3600s | bornmesh.dk | AS24800 | BornFiber Service Provider ApS | 185.107.168.0/22 | 🇩🇰 Denmark | Rønne |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a00:4820:31b0:0:dacb:8aff:feba:55d7 | 3600s | — | AS24800 | BornFiber Service Provider ApS | 2a00:4820:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Rønne |
| TXT Record |
|---|
| v=spf1 a include:_spf.szn.dk include:_spf.google.com -all |
| Policy | Record (szn.dk) |
|---|---|
| -all (hard fail) | v=spf1 a include:_spf.szn.dk include:_spf.google.com -all |
| Flags | Tag | Value |
|---|---|---|
| 0 | iodef | mailto:klaus@seistrup.dk |
| 0 | issue | letsencrypt.org |
| 0 | issue | zerossl.com |
| www | 185.107.169.23 2a00:4820:31b0:0:dacb:8aff:feba:55d7 (AS24800) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt · opt-out RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| dkim | — | RSA · ~2048 bit |
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: 7/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026090501 |
| Primary NS (MNAME) | pns21.cloudns.net |
| Responsible (RNAME) | kas@port53.dk |
| Refresh | 7200s |
| Retry | 1800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 06:40:02 | 8624ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 08:55:21 | 1757ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 08:35:50 | 11977ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-07 21:10:58 shown | 3130ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 09:57:26 | 1839ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-17 08:54:18 | 15407ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-02 20:13:14 | 6663ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-12 08:47:15 | 14577ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-04 13:11:58 | 15244ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 12:20:44 | 1567ms | 4 NS 1 A 1 MX | ⚠️ Bogus |
| 2026-06-24 02:43:55 | 1172ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-22 09:50:44 | 1239ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-19 20:40:09 | 3580ms | 4 NS 1 A 1 MX | ⚠️ Bogus |
| 2026-06-19 18:16:53 | 7150ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 19:52:59 | 1643ms | 4 NS 1 A 1 MX | 🔒 Secure |