rudolfo.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 12 February 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 5.103.129.170 is hosted by FIBIA P/S (AS44869) in Denmark. Mail is handled by mail.rudolfo.dk. 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 |
|---|---|---|---|---|---|---|---|
| 5.103.129.170 | 600s | 5.103.129.170.static.fibianet.dk | AS44869 | FIBIA P/S | 5.103.0.0/16 | 🇩🇰 Denmark | Frederiksberg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 600s | mail.rudolfo.dk | 5.103.129.170 | 5.103.129.170.static.fibianet.dk | AS44869 FIBIA P/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 5.103.129.170 |
| 🔶 Autoconfig | 5.103.129.170 |
| TXT Record |
|---|
| v=spf1 mx a ptr ip4:5.103.129.170 a:mail.sitekey.dk a:smtp.sitekey.dk include:sitekey.dk ?all |
| Policy | Record (rudolfo.dk) |
|---|---|
| ?all (neutral) | v=spf1 mx a ptr ip4:5.103.129.170 a:mail.sitekey.dk a:smtp.sitekey.dk include:sitekey.dk ?all |
| www CNAME | rudolfo.dk (all on rudolfo.dk) → 5.103.129.170 (AS44869) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 9/10 · policy: ?all
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026100601 |
| 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 | 2012-02-12 |
| Expires | 2027-02-28 (133d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-06 17:44:58 shown | 1359ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 16:33:21 | 446ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 16:22:33 | 626ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-21 00:36:52 | 665ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 17:58:58 | 688ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-12 11:09:41 | 9311ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-02 13:15:57 | 9503ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 10:58:27 | 568ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 18:52:27 | 571ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 11:30:09 | 586ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 05:00:45 | 788ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-18 04:32:56 | 1102ms | 2 NS 1 A 1 MX | 🔒 Secure |