dffd.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.213.35 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.mailpod15-cph3.g1i.one.com, mx2.mailpod15-cph3.g1i.one.com and 2 more. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 46.30.213.35 | 3600s | webcluster2.webpod12-cph3.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.mailpod15-cph3.g1i.one.com | 104.37.35.36 | mx1.mailpod15-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.mailpod15-cph3.g1i.one.com | 104.37.35.37 | mx2.mailpod15-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.mailpod15-cph3.g1i.one.com | 104.37.35.38 | mx3.mailpod15-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.mailpod15-cph3.g1i.one.com | 104.37.35.39 | mx4.mailpod15-cph3.g1i.one.com | AS51468 One.com A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:10a:801d:6883:b4a1:5630 | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| v=spf1 include:_custspf.one.com ~all |
| Policy | Record (dffd.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_custspf.one.com ~all |
| Policy | Record (_dmarc.dffd.dk) |
|---|---|
| no policy tag | v=DMARC1; p=politiknavn; rua=mailto:info@dffd.dk; ruf=mailto:info@dffd.dk |
| www | 46.30.213.35 2a02:2350:5:10a:801d:6883:b4a1:5630 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network dffd.dk: 46.30.213.35 2a02:2350:5:10a:801d:6883:b4a1:5630 (AS51468) www.dffd.dk: 46.30.213.35 2a02:2350:5:10a:801d:6883:b4a1:5630 (AS51468) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.mailpod15-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | FEA3731F9349938931D39CCE9FCE17B7… |
| SMTP _25._tcp.mx2.mailpod15-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | FEA3731F9349938931D39CCE9FCE17B7… |
| SMTP _25._tcp.mx3.mailpod15-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | FEA3731F9349938931D39CCE9FCE17B7… |
| SMTP _25._tcp.mx4.mailpod15-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | FEA3731F9349938931D39CCE9FCE17B7… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101101 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 13:19:05 shown | 666ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-26 17:39:58 | 679ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-13 18:33:17 | 1670ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-28 03:50:39 | 880ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-25 06:35:10 | 2868ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-18 22:15:51 | 6961ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-16 07:56:25 | 6902ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-13 05:47:57 | 1385ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-16 01:04:41 | 967ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-27 08:10:42 | 762ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-20 04:31:36 | 1044ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 02:36:17 | 2694ms | 2 NS 1 A 4 MX | 🔒 Secure |