k4technology.dk is a .dk domain served by 2 nameservers (elly.ns.cloudflare.com, rob.ns.cloudflare.com). It was registered on 24 August 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.22.64 is hosted by Cloudflare, Inc. (AS13335). 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 |
|---|---|---|---|---|---|---|---|
| 104.21.22.64 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.203.77 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 172.67.203.77 |
| 🔶 Autoconfig | 172.67.203.77 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::ac43:cb4d | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3034::6815:1640 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.22.64,172.67.203.77 ech=AEX+DQBBvwAgACDrp5X/pCmzqIhkACMdR+Y0FYZpenzk3HnO529rcaMafwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:cb4d,2606:4700:3034::6815:1640 |
| TXT Record |
|---|
| v=spf1 include:_custspf.one.com ~all |
| Policy | Record (k4technology.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_custspf.one.com ~all |
| Policy | Record (_dmarc.k4technology.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:soren@k4technology.dk; ruf=mailto:soren@k4technology.dk; fo=1; |
| www | 104.21.22.64 172.67.203.77 2606:4700:3030::ac43:cb4d 2606:4700:3034::6815:1640 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network k4technology.dk: 104.21.22.64 172.67.203.77 2606:4700:3030::ac43:cb4d 2606:4700:3034::6815:1640 (AS13335) www.k4technology.dk: 104.21.22.64 172.67.203.77 2606:4700:3030::ac43:cb4d 2606:4700:3034::6815:1640 (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 1/10 · 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 | 2414879935 |
| Primary NS (MNAME) | elly.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2010-08-24 |
| Expires | 2027-08-31 (316d) |
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).
| Domain | Registrar |
|---|---|
| ivftech.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-02 23:40:19 | 761ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-30 23:33:07 | 687ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-16 11:38:04 | 1301ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-15 19:03:50 shown | 2296ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-08 16:34:51 | 630ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-04 05:36:44 | 522ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-26 19:10:49 | 545ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-07 05:41:31 | 1352ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-22 23:37:40 | 755ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-17 13:27:17 | 2252ms | 2 NS 2 A 0 MX | 🔓 Insecure |