ostergaard-i.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 18 December 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 213.184.85.15 is hosted by PerfGrid (AS59795) in The Netherlands. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 213.184.85.15 | 600s | nlcp06.hosting4real.net | AS59795 | PerfGrid | 213.184.84.0/23 | 🇳🇱 The Netherlands | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | ostergaard-i.dk → 213.184.85.15 |
| 🔶 Autoconfig | ostergaard-i.dk → 213.184.85.15 |
| www | Exists, no address |
| www vs bare domain | www does not resolve (all like this) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026060301 |
| 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 | 2002-12-18 |
| Expires | 2026-12-31 (74d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-29 15:29:23 | 1184ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-09-05 16:13:47 | 879ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-08-29 14:35:09 | 1157ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-07-03 11:10:00 | 6060ms | 2 NS 1 A 5 MX | 🔓 Insecure |
| 2026-06-23 06:09:04 shown | 821ms | 2 NS 1 A 5 MX | 🔓 Insecure |
| 2026-06-22 00:58:44 | 929ms | 2 NS 1 A 5 MX | 🔓 Insecure |
| 2026-06-21 14:27:37 | 1179ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 12:19:27 | 959ms | 2 NS 1 A 5 MX | 🔓 Insecure |