dudakoch.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 26 November 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 172.66.0.70 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, publishes a 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 |
|---|---|---|---|
| ns01.one.com | — | — | — |
| ns02.one.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 172.66.0.70 | — | — | AS13335 | Cloudflare, Inc. | 172.66.0.0/22 | — | — |
| TXT Record |
|---|
| v=spf1 include:_spf.google.com include:spf.lemlist.com ~all |
| Policy | Record (dudakoch.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.google.com include:spf.lemlist.com ~all |
| Policy | Record (_dmarc.dudakoch.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:dmarc@dudakoch.dk; ruf=mailto:dmarc@dudakoch.dk; fo=1 |
| www | 185.158.133.1 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| — | 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
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026061001 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | ONE.COM A/S |
| Registered | 2024-11-26 |
| Expires | 2026-11-25 (30d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-22 07:14:40 | 934ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-10-14 10:17:38 | 977ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-10-11 04:00:03 | 469ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-09-26 06:44:14 | 647ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-09-18 14:44:06 | 1424ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-08-10 03:00:08 | 2391ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-07-15 17:09:07 | 1431ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-24 03:48:29 | 739ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-21 05:56:22 | 757ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-19 23:29:11 | 718ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-17 04:55:44 shown | 1889ms | 2 NS 1 A 5 MX | 🔒 Secure |