ykon.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 185.21.40.28 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx1.pub.mailpod11-cph3.one.com, mx2.pub.mailpod11-cph3.one.com and 2 more. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 185.21.40.28 | 3600s | vm1413.enterprisecloud.nu | AS48854 | team.blue Denmark A/S | 185.21.40.0/22 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.pub.mailpod11-cph3.one.com | 104.37.34.230 | mx1.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod11-cph3.one.com | 104.37.34.231 | mx2.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod11-cph3.one.com | 104.37.34.232 | mx3.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.pub.mailpod11-cph3.one.com | 104.37.34.233 | mx4.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 185.21.40.28 |
| 🔶 Autoconfig | 185.21.40.28 |
| TXT Record |
|---|
| v=spf1 include:_custspf.one.com ~all |
| Policy | Record (ykon.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_custspf.one.com ~all |
| www | 185.21.40.28 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 24F573980561755185B794745411B05D… |
| SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 24F573980561755185B794745411B05D… |
| SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 24F573980561755185B794745411B05D… |
| SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 24F573980561755185B794745411B05D… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026092201 |
| 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 |
|---|---|---|---|
| 2026-09-30 17:49:51 shown | 635ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-23 11:07:31 | 789ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-08 05:27:58 | 814ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-27 11:39:37 | 2605ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-26 17:53:57 | 702ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-17 09:22:55 | 5147ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-13 15:43:28 | 2461ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-03 21:26:58 | 1039ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-02 09:54:23 | 1011ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-26 08:38:57 | 3196ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-24 10:43:49 | 951ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 08:17:11 | 2590ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-18 05:09:20 | 818ms | 2 NS 1 A 4 MX | 🔒 Secure |