bycs.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 23 January 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 23.227.38.65 is hosted by Cloudflare, Inc. (AS13335) in Canada. Mail is handled by mx1.pub.mailpod10-cph3.one.com, mx2.pub.mailpod10-cph3.one.com and 2 more. The zone is DNSSEC-signed and validates, publishes a 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns01.one.com | — | — | — |
| ns02.one.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 23.227.38.65 | — | myshopify.com | AS13335 | Cloudflare, Inc. | 23.227.38.0/23 | 🇨🇦 Canada | Ottawa |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2620:127:f00f:5:: | — | — | AS13335 | Cloudflare, Inc. | 2620:127:f00c:0:0:0:0:0/46 | 🇨🇦 Canada | — |
| Policy | Record (_dmarc.bycs.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| www CNAME | 0cq0qy-fy.myshopify.com (all on myshopify.com) |
| www vs bare domain | Same network bycs.dk: 23.227.38.65 2620:127:f00f:5:: (AS13335) www.bycs.dk: 23.227.38.74 2620:127:f00f:e:: (AS13335) |
| 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.mailpod10-cph3.one.com | DANE-EE · SPKI · SHA-256 | 411611ECE6466645A9E53512398A692D… |
| SMTP _25._tcp.mx2.pub.mailpod10-cph3.one.com | DANE-EE · SPKI · SHA-256 | 411611ECE6466645A9E53512398A692D… |
| SMTP _25._tcp.mx3.pub.mailpod10-cph3.one.com | DANE-EE · SPKI · SHA-256 | 411611ECE6466645A9E53512398A692D… |
| SMTP _25._tcp.mx4.pub.mailpod10-cph3.one.com | DANE-EE · SPKI · SHA-256 | 411611ECE6466645A9E53512398A692D… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026053101 |
| 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 | 2021-01-23 |
| Expires | 2027-01-31 (103d) |
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 |
|---|---|---|---|
| 2026-10-04 02:46:20 | 547ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-02 02:30:19 | 1272ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-28 01:49:33 | 1120ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-27 01:39:10 | 2501ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-06 19:15:45 | 743ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-31 12:26:09 | 5041ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-17 11:26:05 | 4898ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-02 12:37:17 | 8281ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-27 00:15:04 | 795ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-22 00:32:43 | 1007ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-21 16:10:23 | 1049ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 04:37:50 | 605ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-19 22:56:05 | 594ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-16 18:06:09 shown | 816ms | 2 NS 1 A 4 MX | 🔒 Secure |