golthak.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 2 December 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.tutanota.de. 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 3600s | mail.tutanota.de | 185.205.69.211 185.205.69.213 185.205.69.214 |
mail.w11.tutanota.de mail.w13.tutanota.de mail.w14.tutanota.de |
AS210909 Tutao GmbH AS210909 Tutao GmbH AS210909 Tutao GmbH |
| TXT Record |
|---|
| t-verify=0f46daed7dce6c29b5a599a65eca9fb2 |
| v=spf1 include:spf.tutanota.de -all |
| Policy | Record (golthak.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.tutanota.de -all |
| Policy | Record (_dmarc.golthak.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; adkim=s |
| Check | Result |
|---|---|
| Status | 🔒 Enforce |
| TXT record (_mta-sts) | ✓ Found |
| HTTPS policy | ✓ Valid |
| Mode | enforce |
| Policy ID | 20190723 |
| max_age | 86400s |
| Policy MX | mail.tutanota.de |
| www | 46.30.211.38 (AS51468) (address records, no CNAME) |
| www vs bare domain | Only www resolves (all like this) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.tutanota.de | RSA · ~2048 bit |
| s2 | s2.domainkey.tutanota.de | 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
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.tutanota.de | DANE-EE · Full cert · SHA-256 | D141F8F3A4AAC2E4D2677AAFCC723D8E… |
| SMTP _25._tcp.mail.tutanota.de | DANE-EE · SPKI · SHA-256 | 5AE0D6DC8A713441003F578C5A1D4D70… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026101101 |
| 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 | 2004-12-02 |
| Expires | 2026-12-31 (67d) |
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 |
|---|---|
| antongreve.dk | ONE.COM A/S |
| banggaarden.dk | ONE.COM A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 07:41:10 shown | 1924ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-30 22:56:20 | 652ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-11 16:00:18 | 935ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-28 02:58:29 | 522ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-11 18:02:41 | 9722ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-17 20:59:36 | 887ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-11 18:12:04 | 3289ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-02 00:03:15 | 774ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-28 23:53:43 | 541ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-22 15:08:16 | 1182ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 01:28:24 | 699ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-17 09:40:24 | 737ms | 2 NS 0 A 1 MX | 🔒 Secure |