dfdr.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 19 September 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.47.247.18 is hosted by One.com A/S (AS51468). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 195.47.247.18 | 3600s | one.com.webforward.g1i.one | AS51468 | One.com A/S | 195.47.247.0/24 | — | — |
| TXT Record |
|---|
| google-site-verification=BDSZmvFJ4Pca5k_v5K72JgjNVP2nH6M6K_eNj11VF9U |
| google-site-verification=D415ErMEthZyNEdiR50CMFX09ZRzMLqG4L2VqoPlYNU |
| google-site-verification=gwS7SphOAPldlk79-HIg-JVgH0x4pAgfMwBsbcxRUy8 |
| google-site-verification=HXbhHTpp3ORHfewWWcSfjLNFZZlwpg0usZilQ8p0R_E |
| google-site-verification=hYGgKFWyGKCmZ0lVLMos9ef8bIeMAjCzkALgvU6qeLM |
| google-site-verification=tJwZ10cofwpdJNyZd5F8aZf5t640s18Tds6LOrT8CE0 |
| google-site-verification=UCD2J-pKC3szH44q6Qr4N7Lg2pqXtXJXFLoVlVkS0lg |
| google-site-verification=wXIsZCMdvCVmFnWwAqMhrDGykjCii52CfUnqseNI8pQ |
| v=spf1 a mx ip4:193.88.14.106 ip4:78.47.191.84 ip6:2a02:108:103:2::106 include:_spf.google.com -all |
| Policy | Record (dfdr.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx ip4:193.88.14.106 ip4:78.47.191.84 ip6:2a02:108:103:2::106 include:_spf.google.com -all |
| www CNAME | dfdr.dk (all on dfdr.dk) → 195.47.247.18 (AS51468) |
| 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: 3/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101001 |
| 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 | Punktum dk A/S (direct) |
| Registered | 2010-09-19 |
| Expires | 2027-09-30 (343d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-10 17:33:49 shown | 482ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-10-09 17:31:50 | 1531ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-09-25 05:28:22 | 654ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-09-15 23:49:00 | 640ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-09-12 12:29:39 | 788ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-09-10 18:37:16 | 650ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-08-28 01:40:57 | 981ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-08-10 12:49:28 | 1205ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-08-06 20:58:40 | 5058ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-07-16 14:42:51 | 1305ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-07-11 08:37:53 | 1310ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-22 23:26:34 | 7594ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-21 09:40:43 | 1186ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 02:35:47 | 752ms | 2 NS 1 A 5 MX | 🔒 Secure |