atcore.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.127 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 4 more. The zone is DNSSEC-signed and validates, 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns01.one.com | — | — | — |
| ns02.one.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 46.30.215.127 | — | webforward.webpod16-cph3.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 1 | — | aspmx.l.google.com | 173.194.222.26 | lo-in-f26.1e100.net | AS15169 Google LLC |
| 5 | — | alt1.aspmx.l.google.com | 172.253.158.27 | so-in-f27.1e100.net | AS15169 Google LLC |
| 5 | — | alt2.aspmx.l.google.com | 172.253.158.26 | so-in-f26.1e100.net | AS15169 Google LLC |
| 10 | — | aspmx2.googlemail.com | 192.178.211.27 | lcbomp-in-f27.1e100.net | AS15169 Google LLC |
| 10 | — | aspmx3.googlemail.com | 142.251.127.26 | lcfrai-in-f26.1e100.net | AS15169 Google LLC |
| 32767 | — | ms43620229.msv1.invalid | — | — | — |
| TXT Record |
|---|
| apple-domain-verification=32sZRdgJQAlHCw6Z |
| atlassian-domain-verification=KGTDdFKn9ajY8pWcB6JmultDD80ol0kVzdJaCkjcuWI/feLbaWbDMA3dM/EtuS4e |
| v=DMARC1; p=quarantine; pct=5; rua=mailto:sg@atcore.dk |
| v=spf1 a mx include:spf.mtasv.net include:aspmx.pardot.com include:amazonses.com include:_spf.google.com ip4:212.97.133.99 ~all |
| WB=UEvJW9kyPkSFdG8uML0WbQ |
| Policy | Record (atcore.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx include:spf.mtasv.net include:aspmx.pardot.com include:amazonses.com include:_spf.google.com ip4:212.97.133.99 ~all |
| www | 46.30.215.127 (AS51468) (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 |
|---|---|---|
| — | RSA · ~1024 bit below 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: 7/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026030601 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-03 16:39:28 | 586ms | 2 NS 1 A 6 MX | 🔒 Secure |
| 2026-09-27 22:49:22 | 682ms | 2 NS 1 A 6 MX | 🔒 Secure |
| 2026-09-03 21:12:23 | 831ms | 2 NS 1 A 6 MX | 🔒 Secure |
| 2026-08-20 01:48:25 | 5579ms | 2 NS 1 A 6 MX | 🔒 Secure |
| 2026-07-02 01:17:41 | 722ms | 2 NS 1 A 6 MX | 🔒 Secure |
| 2026-06-16 13:47:32 shown | 865ms | 2 NS 1 A 6 MX | 🔒 Secure |