bykivi.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 18 December 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.183.138.100 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by bykivi-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 46.183.138.100 | — | — | AS47292 | Sentia Denmark A/S | 46.183.138.0/23 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| MS=ms55519102 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (bykivi.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www CNAME | bykivi.dk (all on bykivi.dk) → 49.12.171.172 (AS24940) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | — | 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: 1/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026032501 |
| 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 | nordicway ApS |
| Registered | 2018-12-18 |
| Expires | 2026-12-31 (68d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 08:39:55 | 741ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-20 09:35:40 | 1673ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-20 22:38:07 | 1107ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-03 21:57:10 | 20746ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-02 21:47:02 | 3227ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 01:20:15 | 1750ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 01:29:04 | 961ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 18:22:07 | 513ms | 2 NS 1 A 1 MX | ⚠️ Bogus |
| 2026-06-16 18:20:14 shown | 2709ms | 2 NS 1 A 1 MX | 🔒 Secure |