sda-dyr.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 28 September 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by .. The zone is DNSSEC-signed and validates, 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| TXT Record |
|---|
| v=spf1 include:_custspf.one.com ~all |
| Policy | Record (sda-dyr.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_custspf.one.com ~all |
| Policy | Record (_dmarc.sda-dyr.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves sda-dyr.dk: no address www.sda-dyr.dk: no address |
| Wildcard | No |
DNS lookups: 1/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026071001 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Openprovider |
| Registered | 2026-09-28 |
| Expires | 2027-09-27 (334d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-26 00:59:32 | 400ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-10-01 01:22:56 | 347ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-29 15:37:22 | 1240ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-29 09:02:40 | 2211ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-24 17:58:30 | 215ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-23 17:37:18 | 990ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-23 14:12:46 | 199ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-18 18:57:59 | 9691ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-13 21:53:00 | 283ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-12 18:11:46 | 245ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-07 08:43:29 | 183ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-05 15:27:54 | 188ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-04 05:31:28 | 265ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-30 09:35:09 | 442ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-28 20:08:15 | 169ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-27 18:23:19 | 972ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-27 02:26:14 | 182ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-25 23:18:08 | 166ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-24 19:38:06 | 768ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-22 17:52:39 | 535ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-10 18:48:34 | 24540ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-09 10:10:39 | 562ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-11 12:30:23 shown | 703ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-30 02:42:33 | 633ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-26 16:52:35 | 514ms | 2 NS 0 A 1 MX | 🔒 Secure |