optishake.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 65.108.71.33 is hosted by Hetzner Online GmbH (AS24940) in Finland. Mail is handled by .. 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 |
|---|---|---|---|---|---|---|---|
| 65.108.71.33 | 10800s | fi-l2.seravo.net | AS24940 | Hetzner Online GmbH | 65.108.0.0/15 | 🇫🇮 Finland | Helsinki |
| 95.217.75.97 | 10800s | fi-l1.seravo.net | AS24940 | Hetzner Online GmbH | 95.216.0.0/15 | 🇫🇮 Finland | Helsinki |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:4f9:4a:1ae6::2 | 10800s | fi-l1.seravo.net | AS24940 | Hetzner Online GmbH | 2a01:4f8:0:0:0:0:0:0/31 | 🇫🇮 Finland | Helsinki |
| 2a01:4f9:6b:4703::2 | 10800s | fi-l2.seravo.net | AS24940 | Hetzner Online GmbH | 2a01:4f8:0:0:0:0:0:0/31 | 🇫🇮 Finland | Helsinki |
| TXT Record |
|---|
| v=spf1 a mx include:sendgrid.net ~all |
| Policy | Record (optishake.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx include:sendgrid.net ~all |
| www CNAME | fi-lahti.seravo.com (all on seravo.com) |
| www vs bare domain | Same network optishake.dk: 65.108.71.33 95.217.75.97 2a01:4f9:4a:1ae6::2 2a01:4f9:6b:4703::2 (AS24940) www.optishake.dk: 65.108.71.33 95.217.75.97 2a01:4f9:4a:1ae6::2 2a01:4f9:6b:4703::2 (AS24940) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 4/10 · 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 | 2026061301 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 21:17:56 | 543ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-17 15:43:23 | 1948ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-13 21:25:23 | 2744ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-07-18 00:51:23 | 2885ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-07-15 11:54:55 | 1986ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-25 09:25:12 shown | 2265ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-24 06:26:43 | 1162ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-23 11:47:35 | 4438ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-22 14:59:12 | 1174ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 11:57:37 | 2951ms | 2 NS 2 A 0 MX | 🔒 Secure |