zederkof.dk is a .dk domain served by 2 nameservers (damon.ns.cloudflare.com, tia.ns.cloudflare.com). It was registered on 3 August 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.26.4.87 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1-dk.centerasecurity.dk, mx2-dk.centerasecurity.dk and 1 more. 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 |
|---|---|---|---|---|---|---|---|
| 104.26.4.87 | 300s | — | AS13335 | Cloudflare, Inc. | 104.26.0.0/20 | — | — |
| 104.26.5.87 | 300s | — | AS13335 | Cloudflare, Inc. | 104.26.0.0/20 | — | — |
| 172.67.71.212 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.64.0/18 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.8 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:20::681a:457 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:0:0:0:0:0:0/41 | — | — |
| 2606:4700:20::681a:557 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:0:0:0:0:0:0/41 | — | — |
| 2606:4700:20::ac43:47d4 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:0:0:0:0:0:0/41 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h2" ipv4hint=104.26.4.87,104.26.5.87,172.67.71.212 ipv6hint=2606:4700:20::681a:457,2606:4700:20::681a:557,2606:4700:20::ac43:47d4 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| facebook-domain-verification=5zpo4yhm4wjvduong7zd37ii80t108 |
| google-site-verification=xwoJd4pJl4gLAMR0_Ko6dGar31ZvvVlJhWCJ-gQTc7E |
| google-site-verification=zWm7hrrPORa5FEmxZLMU2obhHtvJF3fBUiyhDA73w_Y |
| klaviyo-site-verification=SKFDFZ |
| v=spf1 include:_zederkof_dk.spf-protect.com include:spf.protection.outlook.com include:mail.edisoft.no -all |
| Policy | Record (zederkof.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_zederkof_dk.spf-protect.com include:spf.protection.outlook.com include:mail.edisoft.no -all |
| Policy | Record (_dmarc.zederkof.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:690c5b7725b6a@dmarc-dk.centerasecurity.com; |
| www | 104.26.4.87 104.26.5.87 172.67.71.212 2606:4700:20::681a:457 2606:4700:20::681a:557 2606:4700:20::ac43:47d4 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network zederkof.dk: 104.26.4.87 104.26.5.87 172.67.71.212 2606:4700:20::681a:457 (AS13335) www.zederkof.dk: 104.26.4.87 104.26.5.87 172.67.71.212 2606:4700:20::681a:457 (AS13335) |
| Wildcard | No |
DNS lookups: 8/10 · policy: -all
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx2-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx2-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx3-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx3-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| 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 | 2411783395 |
| Primary NS (MNAME) | damon.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 | 1999-08-03 |
| Expires | 2027-09-30 (340d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-23 17:39:25 | 992ms | 2 NS 3 A 3 MX | 🔓 Insecure |
| 2026-10-18 18:39:01 | 829ms | 2 NS 3 A 3 MX | 🔓 Insecure |
| 2026-10-09 10:34:29 | 1174ms | 2 NS 3 A 3 MX | 🔓 Insecure |
| 2026-10-08 09:31:04 | 5768ms | 2 NS 3 A 3 MX | 🔓 Insecure |
| 2026-09-30 23:59:27 | 1444ms | 2 NS 3 A 3 MX | 🔓 Insecure |
| 2026-09-29 23:50:37 | 1080ms | 2 NS 3 A 3 MX | 🔓 Insecure |
| 2026-09-28 23:41:15 | 1241ms | 2 NS 3 A 3 MX | 🔓 Insecure |
| 2026-09-27 23:34:43 | 1398ms | 2 NS 3 A 3 MX | 🔓 Insecure |
| 2026-09-23 22:40:41 | 973ms | 2 NS 3 A 3 MX | 🔓 Insecure |
| 2026-09-04 01:34:44 | 869ms | 2 NS 3 A 3 MX | 🔓 Insecure |
| 2026-08-27 21:40:11 | 872ms | 2 NS 3 A 3 MX | 🔓 Insecure |
| 2026-08-26 21:29:42 | 910ms | 2 NS 3 A 3 MX | 🔓 Insecure |
| 2026-08-21 11:57:07 | 11562ms | 2 NS 3 A 3 MX | 🔓 Insecure |
| 2026-08-11 10:19:52 | 1580ms | 2 NS 3 A 3 MX | 🔓 Insecure |
| 2026-08-09 22:20:05 shown | 4108ms | 2 NS 3 A 3 MX | 🔓 Insecure |
| 2026-08-02 14:27:05 | 1375ms | 2 NS 3 A 3 MX | 🔓 Insecure |
| 2026-06-27 07:42:10 | 1552ms | 2 NS 3 A 3 MX | 🔓 Insecure |
| 2026-06-24 07:54:31 | 1154ms | 2 NS 3 A 3 MX | ❓ Unknown |
| 2026-06-21 19:48:53 | 923ms | 2 NS 3 A 3 MX | 🔓 Insecure |
| 2026-06-20 23:01:59 | 1186ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-19 09:42:20 | 1543ms | 2 NS 3 A 3 MX | 🔓 Insecure |
| 2026-06-17 12:02:22 | 2381ms | 2 NS 3 A 3 MX | 🔓 Insecure |