firstinline.dk is a .dk domain served by 4 nameservers (ns1.nordicway.dk, ns2.nordicway.dk, ns3.nordicway.dk and 1 more). It was registered on 1 November 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 3.173.21.154 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by mail.firstinline.dk. The zone is not DNSSEC-signed, publishes a 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 3.173.21.154 | 3600s | — | AS16509 | Amazon.com, Inc. | 3.128.0.0/10 | 🇺🇸 United States | — |
| 3.173.22.154 | 3600s | — | AS16509 | Amazon.com, Inc. | 3.128.0.0/10 | 🇺🇸 United States | — |
| 3.173.23.154 | 3600s | — | AS16509 | Amazon.com, Inc. | 3.128.0.0/10 | 🇺🇸 United States | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 3600s | mail.firstinline.dk | 167.235.1.82 | cp09.nordicway.dk | AS24940 Hetzner Online GmbH |
| Policy | Record (_dmarc.firstinline.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1;p=none;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400 |
| www CNAME | connect.floot.app (all on floot.app) → 3.173.21.154 (AS16509) |
| www vs bare domain | Same network firstinline.dk: 3.173.21.154 3.173.22.154 3.173.23.154 (AS16509) www.firstinline.dk: 3.173.21.154 (AS16509) |
| Wildcard | No |
| Denial of existence | NSEC3 · 7 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| 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.
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.firstinline.dk | Fo42OgymrCsV9erc5DTrrT4Mp_CNpNLqnvlxPsqQHeY |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026090303 |
| Primary NS (MNAME) | ns1.nordicway.dk |
| Responsible (RNAME) | server@nordicway.dk |
| Refresh | 3600s |
| Retry | 1800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | nordicway ApS |
| Registered | 2025-11-01 |
| Expires | 2026-10-31 (13d) |
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 |
|---|---|---|---|
| 2026-10-16 06:13:42 | 2002ms | 4 NS 3 A 1 MX | 🔓 Insecure |
| 2026-09-25 16:44:28 | 9497ms | 4 NS 3 A 1 MX | 🔓 Insecure |
| 2026-09-06 03:59:04 shown | 1138ms | 4 NS 3 A 1 MX | 🔓 Insecure |
| 2026-08-26 23:27:14 | 9718ms | 4 NS 3 A 1 MX | 🔓 Insecure |
| 2026-08-17 03:53:59 | 2846ms | 4 NS 3 A 1 MX | 🔓 Insecure |
| 2026-07-04 22:16:14 | 2896ms | 4 NS 3 A 1 MX | 🔓 Insecure |
| 2026-06-28 07:42:05 | 976ms | 4 NS 3 A 1 MX | 🔓 Insecure |
| 2026-06-24 08:10:54 | 2993ms | 4 NS 3 A 1 MX | 🔓 Insecure |
| 2026-06-20 20:16:29 | 1119ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 09:33:49 | 686ms | 4 NS 3 A 1 MX | 🔓 Insecure |