mallingeriksen.dk is a .dk domain served by 2 nameservers (ns1.dlx.dk, ns2.dlx.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail01.svampen.dk. 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 | 600s | mail01.svampen.dk | 2a01:4f8:1c1c:8644::1 49.12.194.239 |
mail01.svampen.dk mail01.svampen.dk |
AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | mail01.svampen.dk → 49.12.194.239 |
| 🔶 Autoconfig | mail01.svampen.dk → 49.12.194.239 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 0 | 443 | mail01.svampen.dk |
| TXT Record |
|---|
| v=spf1 include:_include.svampen.dk include:sendgrid.net -all |
| Policy | Record (mallingeriksen.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_include.svampen.dk include:sendgrid.net -all |
| Policy | Record (_dmarc.mallingeriksen.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves mallingeriksen.dk: no address www.mallingeriksen.dk: no address |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| dkim | — | RSA · ~2048 bit |
| s1 | s1.domainkey.u23182728.wl229.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u23182728.wl229.sendgrid.net | 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: 3/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail01.svampen.dk | DANE-EE · SPKI · SHA-256 | 5BCC3E45A02454D11656E7F4F5A322E6… |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026020401 |
| Primary NS (MNAME) | ns1.dlx.dk |
| Responsible (RNAME) | ks@dlx.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 02:51:58 | 843ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-10-01 07:47:22 shown | 570ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-27 20:41:08 | 666ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-03 09:42:11 | 646ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-27 19:33:09 | 1074ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-26 13:11:36 | 2988ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-23 18:10:12 | 1167ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 03:53:07 | 917ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-20 16:15:16 | 1139ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 23:51:48 | 2608ms | 2 NS 0 A 1 MX | 🔓 Insecure |