officefit.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 213.5.39.153 is hosted by Bo data ApS (AS49974) in Denmark. Mail is handled by officefit-dk.mail.protection.outlook.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 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 |
|---|---|---|---|---|---|---|---|
| 213.5.39.153 | 600s | ispconfig.eero.dk | AS49974 | Bo data ApS | 213.5.32.0/21 | 🇩🇰 Denmark | Vildbjerg |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.8 |
| 🔶 Autoconfig | 213.5.39.173 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| v=spf1 include:spf.protection.outlook.com include:sendgrid.net include:emsd1.com include:spf.mandrillapp.com include:spf.webcrm.com -all |
| Policy | Record (officefit.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:sendgrid.net include:emsd1.com include:spf.mandrillapp.com include:spf.webcrm.com -all |
| Policy | Record (_dmarc.officefit.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1;p=none; |
| www | Address record (no CNAME) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u18387429.wl180.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u18387429.wl180.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.
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 | 2026082001 |
| 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 |
|---|---|---|---|
| 2026-09-21 12:05:39 | 849ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-23 01:27:38 | 5674ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-21 01:11:50 shown | 7392ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-21 15:19:17 | 3756ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-01 13:03:27 | 1180ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 09:01:21 | 1579ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-18 02:09:04 | 3803ms | 2 NS 1 A 1 MX | 🔒 Secure |