cleancalculator.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 24 October 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 157.90.165.249 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by smtp.google.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 157.90.165.249 | 600s | static.249.165.90.157.clients.your-server.de | AS24940 | Hetzner Online GmbH | 157.90.0.0/16 | 🇩🇪 Germany | Nuremberg |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 157.90.165.249 |
| 🔶 Autoconfig | 157.90.165.249 |
| TXT Record |
|---|
| brevo-code:b649a380a966e6ebb442254de1157d76 |
| google-site-verification=s2H63eIY0exxQ65PF4OaQwzofjVm4Fb8fR0W4Oil1p0 |
| sendinblue-code:df6f4c34ae21cc4c431868b3a2759bda |
| v=spf1 mx include:_spf.google.com include:zoho.com include:spf.mandrillapp.com include:mail.zendesk.com include:spf.sendinblue.com ?all |
| Policy | Record (cleancalculator.dk) |
|---|---|
| ?all (neutral) | v=spf1 mx include:_spf.google.com include:zoho.com include:spf.mandrillapp.com include:mail.zendesk.com include:spf.sendinblue.com ?all |
| Policy | Record (_dmarc.cleancalculator.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:dmarc@cleancalculator.dk; ruf=mailto:dmarc@cleancalculator.dk; sp=none; adkim=r; aspf=r |
| www CNAME | cleancalculator.dk (all on cleancalculator.dk) |
| 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: 10/10 · policy: ?all
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026100901 |
| 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 | ONE.COM A/S |
| Registered | 2011-10-24 |
| Expires | 2026-10-31 (11d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 23:47:58 shown | 747ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-04 09:05:59 | 511ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 16:26:05 | 652ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-27 03:51:17 | 767ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-08 13:25:55 | 987ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-04 03:35:11 | 705ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 22:44:52 | 1113ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-09 21:49:28 | 1188ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-12 07:58:49 | 1267ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 01:10:56 | 758ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 13:25:23 | 980ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 05:31:21 | 650ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 21:11:00 | 525ms | 2 NS 1 A 1 MX | 🔒 Secure |