zacco.dk is a .dk domain served by 6 nameservers (dns1.zaccodigitaltrustlabs.com, dns2.zaccodigitaltrustlabs.net, dns3.zaccodigitaltrustlabs.se and 3 more). It was registered on 24 November 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 150.171.109.73 is hosted by Microsoft Corporation (AS8075) in United States. Mail is handled by zacco-dk.mail.protection.outlook.com, dk.mx1.mailanyone.net and 3 more. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 150.171.109.73 | 120s | — | AS8075 | Microsoft Corporation | 150.171.64.0/18 | 🇺🇸 United States | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.136 |
| TXT Record |
|---|
| _60gnwuol32bgvngltq484xtuvszvvnt |
| _os8fqiroq1asuw8vg2sbfblcnj34x1t |
| kr6bp5jylwl85pmprmkv1b5fbf50jbt2 |
| lrs9jfqv6rxkd8zhvz9q833741lg5qtn |
| MS=ms35885248 |
| v=spf1 -all |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (zacco.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.zacco.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:jb2vxg0y@ag.eu.dmarcadvisor.com; |
| www CNAME | redirect.zacco.com (all on zacco.com) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | — | Revoked (empty key) |
| dkim | — | Revoked (empty key) |
| k1 | — | Revoked (empty key) |
| — | Revoked (empty key) | |
| s1 | — | Revoked (empty key) |
| s2 | — | Revoked (empty key) |
| selector1 | selector1-zacco-dk._domainkey.zaccogroup.k-v1.dkim.mail.microsoft | 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: 0/10 · policy: -all
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.dk.mx1.mailanyone.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| SMTP _25._tcp.dk.mx1.mailanyone.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| SMTP _25._tcp.dk.mx2.mx25.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| SMTP _25._tcp.dk.mx2.mx25.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| SMTP _25._tcp.dk.mx3.mailanyone.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| SMTP _25._tcp.dk.mx3.mailanyone.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| SMTP _25._tcp.dk.mx4.mx25.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| SMTP _25._tcp.dk.mx4.mx25.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| 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 | 2009028285 |
| Primary NS (MNAME) | ns20.digicertdns.com |
| Responsible (RNAME) | dns@digicertdns.com |
| Refresh | 43200s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 180s |
| Field | Value |
|---|---|
| Registrar | ASCIO TECHNOLOGIES, CORP. DANMARK - FILIAL AF ASCIO TECHNOLOGIES, CORP. CANADA |
| Registered | 2000-11-24 |
| Expires | 2026-12-31 (71d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-19 11:45:43 | 3532ms | 6 NS 1 A 5 MX | 🔓 Insecure |
| 2026-10-18 11:12:59 | 4213ms | 6 NS 1 A 5 MX | 🔓 Insecure |
| 2026-10-17 11:03:36 | 2198ms | 6 NS 1 A 5 MX | 🔓 Insecure |
| 2026-10-16 10:34:25 | 3936ms | 6 NS 1 A 5 MX | 🔓 Insecure |
| 2026-10-15 07:41:50 | 1532ms | 6 NS 1 A 5 MX | 🔓 Insecure |
| 2026-10-14 06:51:07 | 2760ms | 6 NS 1 A 5 MX | 🔓 Insecure |
| 2026-10-13 04:15:38 | 1629ms | 6 NS 1 A 5 MX | 🔓 Insecure |
| 2026-10-12 03:32:52 shown | 6754ms | 6 NS 1 A 5 MX | 🔓 Insecure |
| 2026-10-11 02:40:09 | 3134ms | 6 NS 1 A 5 MX | 🔓 Insecure |
| 2026-10-10 00:38:42 | 2753ms | 6 NS 1 A 5 MX | 🔓 Insecure |
| 2026-10-08 17:57:36 | 4118ms | 6 NS 1 A 5 MX | 🔓 Insecure |
| 2026-10-07 17:47:30 | 4691ms | 6 NS 1 A 5 MX | 🔓 Insecure |
| 2026-10-06 17:29:20 | 1388ms | 6 NS 1 A 5 MX | 🔓 Insecure |
| 2026-10-05 17:20:07 | 2708ms | 6 NS 1 A 5 MX | 🔓 Insecure |
| 2026-10-04 17:16:22 | 1426ms | 6 NS 1 A 5 MX | 🔓 Insecure |
| 2026-10-03 17:11:36 | 4590ms | 6 NS 1 A 5 MX | 🔓 Insecure |
| 2026-10-02 17:01:10 | 4590ms | 6 NS 1 A 5 MX | 🔓 Insecure |
| 2026-10-01 16:51:25 | 1467ms | 6 NS 1 A 5 MX | 🔓 Insecure |
| 2026-09-30 16:47:59 | 3343ms | 6 NS 1 A 5 MX | 🔓 Insecure |
| 2026-09-29 16:42:20 | 2167ms | 6 NS 1 A 5 MX | 🔓 Insecure |
| 2026-09-29 11:57:52 | 2091ms | 6 NS 1 A 5 MX | 🔓 Insecure |
| 2026-09-28 11:29:46 | 1471ms | 6 NS 1 A 5 MX | 🔓 Insecure |
| 2026-09-27 11:25:57 | 2204ms | 6 NS 1 A 5 MX | 🔓 Insecure |
| 2026-09-26 11:21:57 | 1971ms | 6 NS 1 A 5 MX | 🔓 Insecure |
| 2026-09-25 11:14:19 | 1117ms | 6 NS 1 A 5 MX | 🔓 Insecure |