4736fitness.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 9 February 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.213.155 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod10-cph3.one.com, mx2.pub.mailpod10-cph3.one.com and 2 more. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 46.30.213.155 | — | webcluster1.webpod14-cph3.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:10c:dd:9356:99c9:8f9f | — | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| www | 46.30.213.155 2a02:2350:5:10c:dd:9356:99c9:8f9f (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network 4736fitness.dk: 46.30.213.155 2a02:2350:5:10c:dd:9356:99c9:8f9f (AS51468) www.4736fitness.dk: 46.30.213.155 2a02:2350:5:10c:dd:9356:99c9:8f9f (AS51468) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u745207.wl208.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u745207.wl208.sendgrid.net | 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.
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod10-cph3.one.com | DANE-EE · SPKI · SHA-256 | 411611ECE6466645A9E53512398A692D… |
| SMTP _25._tcp.mx2.pub.mailpod10-cph3.one.com | DANE-EE · SPKI · SHA-256 | 411611ECE6466645A9E53512398A692D… |
| SMTP _25._tcp.mx3.pub.mailpod10-cph3.one.com | DANE-EE · SPKI · SHA-256 | 411611ECE6466645A9E53512398A692D… |
| SMTP _25._tcp.mx4.pub.mailpod10-cph3.one.com | DANE-EE · SPKI · SHA-256 | 411611ECE6466645A9E53512398A692D… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026060901 |
| 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 | 2017-02-09 |
| Expires | 2027-02-28 (125d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 21:12:52 | 532ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-22 12:41:43 | 660ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-14 12:36:20 | 1875ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-15 14:39:44 | 994ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-01 14:25:57 | 740ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-27 23:43:05 | 845ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-16 13:14:36 shown | 777ms | 2 NS 1 A 4 MX | 🔒 Secure |