practicus.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 16 February 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 216.150.1.1 is hosted by Amazon.com, Inc. (AS16509) in United States. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 216.150.1.1 | 3600s | — | AS16509 | Amazon.com, Inc. | 216.150.1.0/24 | 🇺🇸 United States | — |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (practicus.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.practicus.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; np=reject |
| www CNAME | practicus.dk (all on practicus.dk) → 216.150.1.1 (AS16509) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 0/10 · 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 | 2026101701 |
| 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 | 2004-02-16 |
| Expires | 2027-02-28 (129d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Domain | Registrar |
|---|---|
| vikenderhinanden.dk | ONE.COM A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-17 09:46:25 shown | 1741ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-16 09:26:24 | 533ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-27 10:00:45 | 518ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-27 11:55:24 | 2453ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-25 16:41:34 | 1021ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-25 08:02:39 | 879ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-17 12:04:25 | 723ms | 4 NS 1 A 0 MX | 🔓 Insecure |