oestertoft.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 23 March 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 164.90.167.116 is hosted by DigitalOcean, LLC (AS14061) in Germany. Mail is handled by mx.simply.com. 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 |
|---|---|---|---|---|---|---|---|
| 164.90.167.116 | — | — | AS14061 | DigitalOcean, LLC | 164.90.128.0/18 | 🇩🇪 Germany | Frankfurt am Main |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mx.simply.com | 94.231.106.20 | mx.simply.com | AS48854 team.blue Denmark A/S |
| TXT Record |
|---|
| google-site-verification=V6nr2CmfRLWRSNAm76UlzPyPJ-oCaGh47rvf-hpEWqw |
| v=spf1 include:_spf.google.com include:spf.simply.com include:amazonses.com ~all |
| Policy | Record (oestertoft.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.google.com include:spf.simply.com include:amazonses.com ~all |
| www | 104.21.45.123 172.67.213.228 2606:4700:3031::6815:2d7b 2606:4700:3035::ac43:d5e4 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network oestertoft.dk: 104.21.45.123 172.67.213.228 2606:4700:3031::6815:2d7b 2606:4700:3035::ac43:d5e4 (AS13335) www.oestertoft.dk: 104.21.45.123 172.67.213.228 2606:4700:3031::6815:2d7b 2606:4700:3035::ac43:d5e4 (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 3/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | A9D603AF4D7ED6B9246B4B68500CD6F2… |
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | 97A3BA009F39C761BFFB6574340E8138… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2025042300 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 1999-03-23 |
| Expires | 2027-03-31 (156d) |
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 |
|---|---|
| østertoft.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-24 17:51:15 | 1225ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-23 15:25:55 | 531ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-23 11:03:34 | 3095ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-22 06:04:43 | 564ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-01 05:37:39 | 739ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-28 05:29:22 | 814ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 19:17:02 | 745ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-23 15:33:48 | 3143ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-23 07:15:09 | 1174ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 10:43:10 | 679ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 02:38:27 | 485ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 12:15:17 shown | 5274ms | 4 NS 1 A 1 MX | 🔒 Secure |