osterhaab.dk is a .dk domain served by 2 nameservers (ns1.siteground.net, ns2.siteground.net). It was registered on 12 December 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. On 3 October 2026 we saw it transfer from ONE.COM A/S to 1API GmbH. Its website address 34.120.190.48 is hosted by Google LLC (AS396982) in United States. Mail is handled by mx10.antispam.mailspamprotection.com, mx20.antispam.mailspamprotection.com and 1 more. The zone is not DNSSEC-signed, publishes a 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 86400s | mx10.antispam.mailspamprotection.com | 34.149.79.66 | 66.79.149.34.bc.googleusercontent.com | AS396982 Google LLC |
| 20 | 86400s | mx20.antispam.mailspamprotection.com | 34.120.156.61 | 61.156.120.34.bc.googleusercontent.com | AS396982 Google LLC |
| 30 | 86400s | mx30.antispam.mailspamprotection.com | 34.111.121.216 | 216.121.111.34.bc.googleusercontent.com | AS396982 Google LLC |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 35.214.252.247 |
| 🔶 Autoconfig | 35.214.252.247 |
| TXT Record |
|---|
| v=spf1 +a +mx include:osterhaab.dk.spf.auto.dnssmarthost.net ~all |
| Policy | Record (osterhaab.dk) |
|---|---|
| ~all (soft fail) | v=spf1 +a +mx include:osterhaab.dk.spf.auto.dnssmarthost.net ~all |
| Policy | Record (_dmarc.osterhaab.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; aspf=r; adkim=r; |
| www CNAME | osterhaab.dk (all on osterhaab.dk) |
| www vs bare domain | Same network osterhaab.dk: 178.63.252.29 2a01:4f8:2b03:143c::2 (AS24940) www.osterhaab.dk: 178.63.252.29 2a01:4f8:2b03:143c::2 (AS24940) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 4/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 11 |
| Primary NS (MNAME) | ns1.siteground.net |
| Responsible (RNAME) | admins@siteground.com |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | 1API GmbH |
| Registered | 2001-12-12 |
| Expires | 2026-12-31 (74d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-03 12:37:02 | 1929ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-10-02 12:36:53 | 877ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-09-24 23:45:20 | 1101ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-08-08 07:20:04 | 1309ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-05 16:24:41 | 4363ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-07-04 15:08:32 | 2585ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-03 14:59:10 shown | 1958ms | 2 NS 4 A 3 MX | 🔓 Insecure |
| 2026-06-18 17:35:36 | 925ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 14:22:23 | 1295ms | 2 NS 1 A 4 MX | 🔒 Secure |