qwn.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 28 April 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.68.147.215 is hosted by Sinal A/S (AS39642) in Denmark. 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 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 |
|---|---|---|---|---|---|---|---|
| 77.68.147.215 | 600s | — | AS39642 | Sinal A/S | 77.68.128.0/17 | 🇩🇰 Denmark | Silkeborg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | 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 |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | www.qwn.dk → 77.68.147.215 |
| 🔶 Autoconfig | www.qwn.dk → 77.68.147.215 |
| TXT Record |
|---|
| t-verify=2ad26f457592c2eae18e4408e4be7979 |
| v=spf1 include:spf.tutanota.de -all |
| Policy | Record (qwn.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.tutanota.de -all |
| Policy | Record (_dmarc.qwn.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; adkim=s |
| www | 77.68.147.215 (AS39642) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| 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| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.qwn.dk | www.qwn.dk |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.tutanota.de | DANE-EE · SPKI · SHA-256 | 5AE0D6DC8A713441003F578C5A1D4D70… |
| SMTP _25._tcp.mail.tutanota.de | DANE-EE · Full cert · SHA-256 | D141F8F3A4AAC2E4D2677AAFCC723D8E… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026090701 |
| 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 | Punktum dk A/S (direct) |
| Registered | 2010-04-28 |
| Expires | 2027-04-30 (186d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 01:21:30 | 1165ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-03 00:21:16 | 666ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 10:41:43 | 861ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 06:10:08 shown | 1272ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-09 23:37:44 | 832ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 03:17:26 | 1495ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-09 03:26:42 | 1154ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-12 03:06:40 | 1351ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 15:29:23 | 728ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 02:20:52 | 727ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-18 01:05:33 | 1159ms | 2 NS 1 A 1 MX | 🔒 Secure |