mardosport.dk is a .dk domain served by 2 nameservers (ignat.ns.cloudflare.com, katelyn.ns.cloudflare.com). It was registered on 12 May 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.26.4.176 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx10.websupport.sk, mx20.websupport.sk. The zone is not DNSSEC-signed, 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.26.4.176 | 300s | — | AS13335 | Cloudflare, Inc. | 104.26.0.0/20 | — | — |
| 104.26.5.176 | 300s | — | AS13335 | Cloudflare, Inc. | 104.26.0.0/20 | — | — |
| 172.67.68.183 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.64.0/18 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.26.4.176 |
| 🔶 Autoconfig | 104.26.5.176 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:20::681a:4b0 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:0:0:0:0:0:0/41 | — | — |
| 2606:4700:20::681a:5b0 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:0:0:0:0:0:0/41 | — | — |
| 2606:4700:20::ac43:44b7 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:0:0:0:0:0:0/41 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h2" ipv4hint=104.26.4.176,104.26.5.176,172.67.68.183 ipv6hint=2606:4700:20::681a:4b0,2606:4700:20::681a:5b0,2606:4700:20::ac43:44b7 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 0 | 443 | web.prod.bts.websupport.sk |
| TXT Record |
|---|
| spf2.0/pra a mx include:_sid.m1.websupport.sk ?all |
| v=spf1 a mx include:_spf.m1.websupport.sk include:_spf.smtp.com ~all |
| Policy | Record (mardosport.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx include:_spf.m1.websupport.sk include:_spf.smtp.com ~all |
| www | 104.26.4.176 104.26.5.176 172.67.68.183 2606:4700:20::681a:4b0 2606:4700:20::681a:5b0 2606:4700:20::ac43:44b7 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network mardosport.dk: 104.26.4.176 104.26.5.176 172.67.68.183 2606:4700:20::681a:4b0 (AS13335) www.mardosport.dk: 104.26.4.176 104.26.5.176 172.67.68.183 2606:4700:20::681a:4b0 (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
| Selector | CNAME | Key |
|---|---|---|
| — | RSA · ~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: 4/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.mardosport.dk | jDbp2oi9YGA3Ppn4DR0gyTcT9v2w6Y-7GCJlYClW6Aw |
| TXT | _acme-challenge.mardosport.dk | MBCbF_L630hAgHtCtQldB6zCBGMsrEFt-4xsPI0mqMk |
| TXT | _acme-challenge.mardosport.dk | nk0aI3URT7O8Yj9ACi9nYC4g9bkd3H9JaoA5K85eoec |
| TXT | _acme-challenge.mardosport.dk | sWqPijtuTcSGVUhRnjNsaZ-CoJe5Zugbf1saH0KtAOw |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx10.websupport.sk | DANE-TA · SPKI · SHA-256 | 0E8BB18BBEEFB381BE21BFC1A206D317… |
| SMTP _25._tcp.mx10.websupport.sk | DANE-TA · SPKI · SHA-256 | 6BD9212CE649C659C9CABC6CB60FCFFA… |
| SMTP _25._tcp.mx10.websupport.sk | DANE-TA · SPKI · SHA-256 | C784333D20BCD742B9FDC3236F4E509B… |
| SMTP _25._tcp.mx20.websupport.sk | DANE-TA · SPKI · SHA-256 | 6BD9212CE649C659C9CABC6CB60FCFFA… |
| SMTP _25._tcp.mx20.websupport.sk | DANE-TA · SPKI · SHA-256 | C784333D20BCD742B9FDC3236F4E509B… |
| SMTP _25._tcp.mx20.websupport.sk | DANE-TA · SPKI · SHA-256 | 0E8BB18BBEEFB381BE21BFC1A206D317… |
| 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 | 2417467941 |
| Primary NS (MNAME) | ignat.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Gransy s.r.o. |
| Registered | 2023-05-12 |
| Expires | 2027-05-11 (197d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-23 11:53:58 | 1804ms | 2 NS 3 A 2 MX | 🔓 Insecure |
| 2026-10-16 06:15:51 | 5244ms | 2 NS 3 A 2 MX | 🔓 Insecure |
| 2026-10-15 03:44:55 shown | 4000ms | 2 NS 3 A 2 MX | 🔓 Insecure |
| 2026-09-30 15:26:48 | 1362ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-03 13:33:50 | 5398ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-28 01:11:12 | 2610ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-29 07:10:42 | 3571ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-25 10:40:05 | 5867ms | 3 NS 1 A 2 MX | ❓ Unknown |
| 2026-06-25 08:53:18 | 4024ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-19 18:03:46 | 1234ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-17 12:54:15 | 2308ms | 3 NS 1 A 2 MX | 🔓 Insecure |