osterhaab.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). 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 35.214.252.247 is hosted by Google Ireland Limited (AS43515) in The Netherlands. Mail is handled by mx1.pub.mailpod12-cph3.one.com, mx2.pub.mailpod12-cph3.one.com and 2 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 |
|---|---|---|---|---|---|---|---|
| 35.214.252.247 | 3600s | 247.252.214.35.bc.googleusercontent.com | AS43515 | Google Ireland Limited | 35.214.128.0/17 | 🇳🇱 The Netherlands | Groningen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.pub.mailpod12-cph3.one.com | 104.37.34.246 | mx1.pub.mailpod12-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod12-cph3.one.com | 104.37.34.247 | mx2.pub.mailpod12-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod12-cph3.one.com | 104.37.34.248 | mx3.pub.mailpod12-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.pub.mailpod12-cph3.one.com | 104.37.34.249 | mx4.pub.mailpod12-cph3.one.com | AS51468 One.com A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 77.111.241.74 |
| 🔶 Autoconfig | 77.111.241.74 |
| TXT Record |
|---|
| v=spf1 include:spf.one.com -all |
| Policy | Record (osterhaab.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.one.com -all |
| 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: 1/10 · policy: -all
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod12-cph3.one.com | DANE-EE · SPKI · SHA-256 | 3E81C76D10E1A717F28178710EADCAA8… |
| SMTP _25._tcp.mx1.pub.mailpod12-cph3.one.com | DANE-EE · SPKI · SHA-256 | D91CB8AC124CB360F986182813BDF3FD… |
| SMTP _25._tcp.mx2.pub.mailpod12-cph3.one.com | DANE-EE · SPKI · SHA-256 | D91CB8AC124CB360F986182813BDF3FD… |
| SMTP _25._tcp.mx2.pub.mailpod12-cph3.one.com | DANE-EE · SPKI · SHA-256 | 3E81C76D10E1A717F28178710EADCAA8… |
| SMTP _25._tcp.mx3.pub.mailpod12-cph3.one.com | DANE-EE · SPKI · SHA-256 | D91CB8AC124CB360F986182813BDF3FD… |
| SMTP _25._tcp.mx3.pub.mailpod12-cph3.one.com | DANE-EE · SPKI · SHA-256 | 3E81C76D10E1A717F28178710EADCAA8… |
| SMTP _25._tcp.mx4.pub.mailpod12-cph3.one.com | DANE-EE · SPKI · SHA-256 | 3E81C76D10E1A717F28178710EADCAA8… |
| SMTP _25._tcp.mx4.pub.mailpod12-cph3.one.com | DANE-EE · SPKI · SHA-256 | D91CB8AC124CB360F986182813BDF3FD… |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026070502 |
| 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 | 1API GmbH |
| Registered | 2001-12-12 |
| Expires | 2026-12-31 (73d) |
| 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 shown | 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 | 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 |