firsthotels.dk is a .dk domain served by 2 nameservers (bjorn.ns.cloudflare.com, romina.ns.cloudflare.com). It was registered on 24 April 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 216.150.1.1 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by firsthotels-dk.mail.protection.outlook.com. 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 |
|---|---|---|---|---|---|---|---|
| 216.150.1.1 | 300s | — | AS16509 | Amazon.com, Inc. | 216.150.1.0/24 | 🇺🇸 United States | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | www.firsthotels.dk → 216.150.1.129 |
| 🔶 Autoconfig | www.firsthotels.dk → 216.150.1.193 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 0 | 443 | webmail.firsthotels.com |
| TXT Record |
|---|
| TN7yyighdenubxPMhuU/4uyZsswpJy8yLoKDSP9knSSXcj6VvQyDSYZSe6cVvD4kB1L5a70ZnPKulVEZhrsXPw== |
| v=spf1 redirect=spf.firsthotels.com |
| Policy | Record (firsthotels.dk) |
|---|---|
| redirect=spf.firsthotels.com | v=spf1 redirect=spf.firsthotels.com |
| Policy | Record (_dmarc.firsthotels.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:info@firsthotels.dk; ruf=mailto:info@firsthotels.dk; fo=1 |
| www CNAME | c4f3923dce190aaa.vercel-dns-016.com (all on vercel-dns-016.com) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u5019488.wl239.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u5019488.wl239.sendgrid.net | RSA · ~1024 bit below 2048 bit |
| selector1 | selector1-firsthotels-dk._domainkey.firsthotels.onmicrosoft.com | RSA · ~1024 bit below 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: 10/10 · policy: -all
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.firsthotels.dk | www.firsthotels.dk |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2407676191 |
| Primary NS (MNAME) | bjorn.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Domeneshop AS |
| Registered | 2002-04-24 |
| Expires | 2027-06-30 (255d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 22:26:21 | 1599ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-24 01:38:05 | 1457ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-18 18:46:47 | 2408ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-21 14:33:28 | 2316ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-23 02:15:04 | 1852ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-05 15:19:55 | 6037ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-04 12:19:15 | 3717ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-03 13:48:02 | 2170ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-29 19:47:39 shown | 1447ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-26 10:00:59 | 1436ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-20 01:28:44 | 2455ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 09:23:51 | 3204ms | 2 NS 1 A 1 MX | 🔓 Insecure |