fizyka.dk is a .dk domain served by 2 nameservers (ns1.joi.pl, ns2.joi.pl). It was registered on 3 November 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 51.210.18.116 is hosted by OVH SAS (AS16276) in France. Mail is handled by mail.fizyka.dk. 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 |
|---|---|---|---|---|---|---|---|
| 51.210.18.116 | 600s | h20.seohost.pl | AS16276 | OVH SAS | 51.210.0.0/16 | 🇫🇷 France | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 2000s | mail.fizyka.dk | 51.210.18.116 | h20.seohost.pl | AS16276 OVH SAS |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | autodiscover-h20.seohost.pl |
| TXT Record |
|---|
| v=spf1 redirect=_spf-h20.microhost.pl |
| Policy | Record (fizyka.dk) |
|---|---|
| redirect=_spf-h20.microhost.pl | v=spf1 redirect=_spf-h20.microhost.pl |
| Policy | Record (_dmarc.fizyka.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; sp=none; rua=mailto:spam-reports@fizyka.dk |
| p=none (monitor only) | v=DMARC1; p=none; sp=none; rua=mailto:spam-reports@joi.pl |
| www | 104.21.47.185 172.67.171.207 2606:4700:3030::6815:2fb9 2606:4700:3033::ac43:abcf (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-fizyka-dk._domainkey.trokasoftware.d-v1.dkim.mail.microsoft | RSA · ~2048 bit |
| selector2 | selector2-fizyka-dk._domainkey.trokasoftware.d-v1.dkim.mail.microsoft | 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: 1/10 · policy: -all
No problems found| 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 | 2026061901 |
| Primary NS (MNAME) | ns1.joi.pl |
| Responsible (RNAME) | hostmaster@fizyka.dk |
| Refresh | 2000s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Ovh |
| Registered | 2010-11-03 |
| Expires | 2026-11-30 (37d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-11 20:33:17 | 1568ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-10 19:54:28 | 3334ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-09 18:31:13 | 1945ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-08 14:46:56 | 1063ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-08 08:14:52 | 2432ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-30 01:59:33 | 2263ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-30 03:11:11 | 2075ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 11:30:04 | 1700ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-24 21:06:15 | 2057ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-21 14:51:07 shown | 1483ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-19 10:02:52 | 2141ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 10:12:16 | 1581ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 10:03:39 | 1746ms | 2 NS 1 A 1 MX | 🔓 Insecure |