alympiade.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 1 June 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 160.153.0.14 is hosted by Cloudflare London, LLC (AS209242) in United States. Mail is handled by .. The zone is DNSSEC-signed and validates, has no 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 |
|---|---|---|---|---|---|---|---|
| 160.153.0.14 | 600s | 14.0.153.160.host.secureserver.net | AS209242 | Cloudflare London, LLC | 160.153.0.0/24 | 🇺🇸 United States | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| www | 94.231.110.140 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026081301 |
| 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 | 2019-06-01 |
| Expires | 2029-06-30 (984d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-03 17:15:14 | 312ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 00:19:22 | 328ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 21:47:42 | 430ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-19 03:10:56 | 1161ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-09 10:48:04 | 3463ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-07 14:08:36 | 814ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-29 21:25:00 | 531ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-18 19:03:04 | 11981ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-13 10:13:06 shown | 16531ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-12 03:51:27 | 2954ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-10 17:58:31 | 4767ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-09 05:33:13 | 11233ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-06 12:53:03 | 4179ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-03 07:39:52 | 9758ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-31 18:23:24 | 10339ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-28 17:32:26 | 2942ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-27 16:00:16 | 28037ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-26 15:23:14 | 18188ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-25 15:04:48 | 2917ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-24 14:40:46 | 17990ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-23 13:47:08 | 17192ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-22 11:47:43 | 17757ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-20 23:24:23 | 17161ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-18 19:30:55 | 17206ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-17 16:47:19 | 11202ms | 2 NS 0 A 0 MX | ❓ Unknown |