optimumranders.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 8 July 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.194 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.onlinemail.io, mx2.onlinemail.io. The zone is DNSSEC-signed and validates, 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 46.30.215.194 | 3600s | webcluster1.webpod18-cph3.g1i.one | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx1.onlinemail.io | 185.21.42.12 | mx1.onlinemail.io | AS48854 team.blue Denmark A/S |
| 20 | 3600s | mx2.onlinemail.io | 46.36.208.16 | mx2.onlinemail.io | AS48854 team.blue Denmark A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:108:15:7728:55d2:57fc | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| google-site-verification=bLxuW1FRDy9RAeC5-bfCYC4DMTnIo-hzBc5J-WkgEjM |
| v=spf1 a include:spf.curanet.dk ~all |
| Policy | Record (optimumranders.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a include:spf.curanet.dk ~all |
| Policy | Record (_dmarc.optimumranders.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none |
| www | 46.30.215.194 2a02:2350:5:108:15:7728:55d2:57fc (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network optimumranders.dk: 46.30.215.194 2a02:2350:5:108:15:7728:55d2:57fc (AS51468) www.optimumranders.dk: 46.30.215.194 2a02:2350:5:108:15:7728:55d2:57fc (AS51468) |
| 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 | 2026091901 |
| 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 | ONE.COM A/S |
| Registered | 2024-07-08 |
| Expires | 2027-07-07 (262d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 14:47:33 shown | 431ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-29 23:50:00 | 1537ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-23 21:48:56 | 543ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-23 20:01:28 | 797ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-13 08:09:55 | 1455ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-08 21:45:56 | 588ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-20 16:15:58 | 3411ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-20 13:04:35 | 8634ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-15 17:51:04 | 4997ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-10 22:03:21 | 1236ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-07-02 14:05:45 | 9663ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-25 18:04:04 | 1035ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-24 23:32:40 | 4360ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-24 04:00:49 | 660ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-24 03:23:28 | 945ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-22 12:05:42 | 1363ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-06-22 07:55:29 | 1159ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 02:47:25 | 752ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-18 05:09:27 | 1561ms | 2 NS 2 A 2 MX | 🔓 Insecure |