feltarbejde.dk is a .dk domain served by 2 nameservers (ivan.ns.cloudflare.com, ruth.ns.cloudflare.com). It was registered on 16 July 2026 (WHOIS) and first appeared in the .dk zone on 17 July 2026. Its website address 104.21.4.152 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by .. The zone is not DNSSEC-signed, publishes a 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.4.152 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.154.52 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3034::ac43:9a34 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::6815:498 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.4.152,172.67.154.52 ech=AEX+DQBBdQAgACBuWIoEi/Zsqm6VZasO+RrdRhvubYHr5tV5IEMh8O82CQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:9a34,2606:4700:3037::6815:498 |
| TXT Record |
|---|
| v=DKIM1; p= |
| v=spf1 -all |
| Policy | Record (feltarbejde.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.feltarbejde.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject |
| Flags | Tag | Value |
|---|---|---|
| 0 | issue | ; |
| 0 | issue | comodoca.com |
| 0 | issue | digicert.com; cansignhttpexchanges=yes |
| 0 | issue | letsencrypt.org |
| 0 | issue | pki.goog; cansignhttpexchanges=yes |
| 0 | issue | ssl.com |
| 0 | issuewild | ; |
| 0 | issuewild | comodoca.com |
| 0 | issuewild | digicert.com; cansignhttpexchanges=yes |
| 0 | issuewild | letsencrypt.org |
| 0 | issuewild | pki.goog; cansignhttpexchanges=yes |
| 0 | issuewild | ssl.com |
| www | 104.21.4.152 172.67.154.52 2606:4700:3034::ac43:9a34 2606:4700:3037::6815:498 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network feltarbejde.dk: 104.21.4.152 172.67.154.52 2606:4700:3034::ac43:9a34 2606:4700:3037::6815:498 (AS13335) www.feltarbejde.dk: 104.21.4.152 172.67.154.52 2606:4700:3034::ac43:9a34 2606:4700:3037::6815:498 (AS13335) |
| 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 | 2416791629 |
| Primary NS (MNAME) | ivan.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | ONE.COM A/S |
| Registered | 2026-07-16 |
| Expires | 2027-07-15 (269d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 10:03:35 | 4855ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-07 15:25:09 shown | 461ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-07 15:01:40 | 4165ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-17 15:25:08 | 1005ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-04 21:05:26 | 1022ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-03 22:10:11 | 495ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-17 08:53:03 | 1588ms | 2 NS 2 A 0 MX | 🔓 Insecure |