f5kontakt.dk is a .dk domain served by 2 nameservers (lady.ns.cloudflare.com, yahir.ns.cloudflare.com). It was registered on 1 September 2026 (WHOIS) and first appeared in the .dk zone on 2 September 2026. Its website address 104.21.79.30 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.f5kontakt.dk. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 104.21.79.30 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.168.237 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 1 | 300s | mail.f5kontakt.dk | 16.192.63.155 | mail.f5kontakt.dk | AS16509 Amazon.com, Inc. |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3033::6815:4f1e | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3034::ac43:a8ed | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.79.30,172.67.168.237 ech=AEX+DQBB8gAgACCIZ8uQXidaAaC48rHXa9UK3cXHkpyHTn9GHoptCod4GAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:4f1e,2606:4700:3034::ac43:a8ed |
| TXT Record |
|---|
| v=spf1 a mx ip4:16.192.63.155 ~all |
| Policy | Record (f5kontakt.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx ip4:16.192.63.155 ~all |
| Policy | Record (_dmarc.f5kontakt.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; rua=mailto:rua+feth7ckbly5m@dmarcwise.email; |
| www | 104.21.79.30 172.67.168.237 2606:4700:3033::6815:4f1e 2606:4700:3034::ac43:a8ed (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network f5kontakt.dk: 104.21.79.30 172.67.168.237 2606:4700:3033::6815:4f1e 2606:4700:3034::ac43:a8ed (AS13335) www.f5kontakt.dk: 104.21.79.30 172.67.168.237 2606:4700:3033::6815:4f1e 2606:4700:3034::ac43:a8ed (AS13335) |
| Wildcard | No |
| 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.
DNS lookups: 2/10 · 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 | 2416625447 |
| Primary NS (MNAME) | lady.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | CURANET A/S |
| Registered | 2026-09-01 |
| Expires | 2027-08-31 (314d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 10:40:01 shown | 871ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-05 03:29:13 | 613ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-01 03:15:27 | 1067ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-28 22:04:28 | 619ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-26 21:18:15 | 632ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-24 20:50:28 | 795ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-23 20:15:11 | 576ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-20 09:09:13 | 5175ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-16 11:32:39 | 2055ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-09 00:53:05 | 4355ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-04 02:23:52 | 419ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-02 08:44:41 | 569ms | 2 NS 0 A 0 MX | 🔓 Insecure |