freyberg-norgaard.dk is a .dk domain served by 2 nameservers (santino.ns.cloudflare.com, tiffany.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 165.227.155.80 is hosted by DigitalOcean, LLC (AS14061) in Germany. Mail is handled by mail.tutanota.de. The zone is not DNSSEC-signed, 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 165.227.155.80 | 300s | — | AS14061 | DigitalOcean, LLC | 165.227.0.0/16 | 🇩🇪 Germany | Frankfurt am Main |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | 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 |
|---|
| mail.tutanota.de. |
| t-verify=0eaa18eee79773dacd2ba1097c3439fd |
| v=spf1 include:spf.tutanota.de -all |
| Policy | Record (freyberg-norgaard.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.tutanota.de -all |
| Policy | Record (_dmarc.freyberg-norgaard.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 | 104.21.13.202 172.67.133.21 2606:4700:3030::6815:dca 2606:4700:3036::ac43:8515 (AS13335) (address records, no CNAME) |
| www vs bare domain | Different networks freyberg-norgaard.dk: 165.227.155.80 (AS14061) (all like this)www.freyberg-norgaard.dk: 104.21.13.202 172.67.133.21 2606:4700:3030::6815:dca 2606:4700:3036::ac43:8515 (AS13335) |
| Wildcard | No |
| 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 | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2416364249 |
| Primary NS (MNAME) | santino.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-02 00:05:41 shown | 791ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-23 21:05:29 | 830ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-16 18:51:23 | 1051ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-28 01:55:28 | 1174ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-25 11:12:43 | 886ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-03 19:22:44 | 1353ms | 2 NS 1 A 1 MX | ❓ Unknown |
| 2026-06-30 21:34:00 | 1031ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-28 17:14:09 | 2278ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-21 13:46:52 | 801ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 10:34:17 | 1111ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 10:27:24 | 1117ms | 2 NS 1 A 1 MX | 🔓 Insecure |