firstrow.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 12 February 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.213.138 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by smtp.google.com. The zone is DNSSEC-signed and validates, 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns01.one.com | — | — | — |
| ns02.one.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 46.30.213.138 | — | webcluster1.webpod14-cph3.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:10c:50:7632:bf40:8944 | — | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| google-site-verification=0VNjavn9M5rWukNKzh1Wja5W2OUiLHH5peZ1IgVvO2Y |
| www | 46.30.213.138 2a02:2350:5:10c:50:7632:bf40:8944 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network firstrow.dk: 46.30.213.138 2a02:2350:5:10c:50:7632:bf40:8944 (AS51468) www.firstrow.dk: 46.30.213.138 2a02:2350:5:10c:50:7632:bf40:8944 (AS51468) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026061601 |
| 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 | 2024-02-12 |
| Expires | 2027-02-11 (113d) |
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).
| Domain | Registrar |
|---|---|
| syncacademy.dk Deactivated | ONE.COM A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-18 17:31:39 | 2062ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-05 23:03:01 | 1018ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 22:38:09 | 472ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-21 17:03:01 | 746ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-17 12:32:16 | 5128ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-07 14:13:05 | 1141ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-06 10:32:52 | 1138ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-24 18:01:25 | 1265ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-17 15:13:50 | 1016ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-02 00:24:45 | 662ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 09:47:51 shown | 1161ms | 2 NS 1 A 1 MX | 🔒 Secure |