jdfitness.dk is a .dk domain served by 2 nameservers (barbara.ns.cloudflare.com, justin.ns.cloudflare.com). It was registered on 29 August 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.4.252 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.onlinemail.io, mx2.onlinemail.io. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.4.252 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.132.171 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mx1.onlinemail.io | 185.21.42.12 | mx1.onlinemail.io | AS48854 team.blue Denmark A/S |
| 20 | 300s | mx2.onlinemail.io | 46.36.208.16 | mx2.onlinemail.io | AS48854 team.blue Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover-mf.onlinemail.io → 185.21.40.62 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3033::6815:4fc | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::ac43:84ab | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.4.252,172.67.132.171 ech=AEX+DQBB1wAgACB2u93vw8yXKGu3Q7kXIpPq/3E3plf+34WSrqeylP2jMgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:4fc,2606:4700:3037::ac43:84ab |
| TXT Record |
|---|
| v=spf1 a include:spf.curanet.dk ~all |
| v=spf1 a mx ~all |
| Policy | Record (jdfitness.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a include:spf.curanet.dk ~all |
| ~all (soft fail) | v=spf1 a mx ~all |
| www | 49.13.54.110 (AS24940) (address records, no CNAME) |
| www vs bare domain | Different networks jdfitness.dk: 104.21.4.252 172.67.132.171 2606:4700:3033::6815:4fc 2606:4700:3037::ac43:84ab (AS13335) (all like this)www.jdfitness.dk: 49.13.54.110 (AS24940) |
| Wildcard | No |
DNS lookups: 4/10 · policy: ~all
| 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 | 2417782446 |
| Primary NS (MNAME) | barbara.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2020-08-29 |
| Expires | 2027-08-31 (314d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-18 06:41:40 shown | 1016ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-10-13 04:04:47 | 719ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-10-12 02:11:56 | 1818ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-10-10 21:51:54 | 467ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-07 00:38:01 | 9598ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-20 19:30:31 | 1271ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-12 15:55:47 | 4847ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-07-02 20:52:02 | 1073ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-26 19:26:05 | 881ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-25 13:44:04 | 1027ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-17 14:23:35 | 2331ms | 2 NS 2 A 2 MX | 🔓 Insecure |