fluor.dk is a .dk domain served by 6 nameservers (pdns1.ultradns.net, pdns2.ultradns.net, pdns3.ultradns.org and 3 more). It was registered on 20 October 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 76.76.21.21 is hosted by Amazon.com, Inc. (AS16509) in United States. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|
| pdns1.ultradns.net | — | — | — |
| pdns2.ultradns.net | — | — | — |
| pdns3.ultradns.org | — | — | — |
| pdns4.ultradns.org | — | — | — |
| pdns5.ultradns.info | — | — | — |
| pdns6.ultradns.co.uk | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 76.76.21.21 | — | — | AS16509 | Amazon.com, Inc. | 76.76.21.0/24 | 🇺🇸 United States | Walnut |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (fluor.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| www CNAME | fluor.dk (all on fluor.dk) → 76.76.21.21 (AS16509) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 0/10 · policy: -all
No problems found| 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 | 2024101833 |
| Primary NS (MNAME) | pdns1.ultradns.net |
| Responsible (RNAME) | inet@admins.fluor.com |
| Refresh | 28800s |
| Retry | 7200s |
| Expire | 172800s |
| Minimum (neg-cache TTL) | 93600s |
| Field | Value |
|---|---|
| Registrar | CSC Digital Brand Service, Inc |
| Registered | 2009-10-20 |
| Expires | 2026-10-31 (7d) |
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 |
|---|---|---|---|
| 2026-09-26 01:46:38 | 927ms | 6 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-27 13:18:35 | 711ms | 6 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-26 15:16:49 | 875ms | 6 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-24 07:21:06 | 1170ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-23 05:14:44 | 1172ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 09:45:14 shown | 679ms | 6 NS 1 A 0 MX | 🔓 Insecure |