koruptennis.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 6 January 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.241.93 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod13-cph3.one.com, mx2.pub.mailpod13-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 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 |
|---|---|---|---|---|---|---|---|
| 77.111.241.93 | 3600s | webcluster1.wordpresspod2-cph3.one.com | AS51468 | One.com A/S | 77.111.240.0/22 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.pub.mailpod13-cph3.one.com | 185.10.9.42 | mx1.pub.mailpod13-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod13-cph3.one.com | 185.10.9.43 | mx2.pub.mailpod13-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod13-cph3.one.com | 185.10.9.44 | mx3.pub.mailpod13-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.pub.mailpod13-cph3.one.com | 185.10.9.45 | mx4.pub.mailpod13-cph3.one.com | AS51468 One.com A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:104:ec:c3be:b554:3ecc | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| www | 77.111.241.93 2a02:2350:5:104:ec:c3be:b554:3ecc (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network koruptennis.dk: 77.111.241.93 2a02:2350:5:104:ec:c3be:b554:3ecc (AS51468) www.koruptennis.dk: 77.111.241.93 2a02:2350:5:104:ec:c3be:b554:3ecc (AS51468) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod13-cph3.one.com | DANE-EE · SPKI · SHA-256 | BE8C554E6A2A9BFE9F87080F0AE71BAD… |
| SMTP _25._tcp.mx2.pub.mailpod13-cph3.one.com | DANE-EE · SPKI · SHA-256 | BE8C554E6A2A9BFE9F87080F0AE71BAD… |
| SMTP _25._tcp.mx3.pub.mailpod13-cph3.one.com | DANE-EE · SPKI · SHA-256 | BE8C554E6A2A9BFE9F87080F0AE71BAD… |
| SMTP _25._tcp.mx4.pub.mailpod13-cph3.one.com | DANE-EE · SPKI · SHA-256 | BE8C554E6A2A9BFE9F87080F0AE71BAD… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101002 |
| 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 | 2011-01-06 |
| Expires | 2027-01-31 (106d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-10 17:36:42 shown | 756ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-21 16:34:44 | 1533ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-01 01:34:11 | 700ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-23 02:47:06 | 5212ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-17 16:28:59 | 1048ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-11 22:58:22 | 4528ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-17 00:11:00 | 2876ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-21 18:48:26 | 686ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 13:29:52 | 2306ms | 2 NS 1 A 4 MX | 🔒 Secure |