invoice24.dk is a .dk domain served by 3 nameservers (dns1.sircon.net, dns2.sircon.net, dns3.sircon.net). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.164.11.154 is hosted by Nte Telekom As (AS34087) in Norway. Mail is handled by mail.invoice24.dk. 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 |
|---|---|---|---|---|---|---|---|
| 178.164.11.154 | 14400s | web8.sircon.net | AS34087 | Nte Telekom As | 178.164.0.0/17 | 🇳🇴 Norway | Høylandet |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 14400s | mail.invoice24.dk | 178.164.11.154 | web8.sircon.net | AS34087 Nte Telekom As |
| www CNAME | invoice24.dk (all on invoice24.dk) |
| www vs bare domain | Same network |
| 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.
| 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 | 2019083008 |
| Primary NS (MNAME) | dns1.sircon.net |
| Responsible (RNAME) | server@sircon.no |
| Refresh | 1800s |
| Retry | 900s |
| Expire | 3600000s |
| Minimum (neg-cache TTL) | 900s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 00:12:50 | 674ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-01 09:42:59 | 9548ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-20 22:37:41 shown | 574ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 16:17:23 | 2230ms | 3 NS 1 A 1 MX | 🔓 Insecure |