ulrikholm.dk is a .dk domain served by 2 nameservers (ns.scannet2.dk, ns2.scannet2.dk). It was registered on 26 February 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 78.47.17.5 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mx.spamfilter.io. 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 |
|---|---|---|---|---|---|---|---|
| 78.47.17.5 | 3600s | dedi2783.your-server.de | AS24940 | Hetzner Online GmbH | 78.46.0.0/15 | 🇩🇪 Germany | Nuremberg |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscoverredirect.webexchange.nu → 46.36.209.50 |
| TXT Record |
|---|
| v=spf1 include:spf.scannet.dk ?all |
| Policy | Record (ulrikholm.dk) |
|---|---|
| ?all (neutral) | v=spf1 include:spf.scannet.dk ?all |
| www | 78.47.17.5 (AS24940) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 3/10 · policy: ?all
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx.spamfilter.io | DANE-EE · SPKI · SHA-256 | 9A25F05F2E322DABDCC9B7A06AB47A2D… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026072903 |
| Primary NS (MNAME) | ns.scannet2.dk |
| Responsible (RNAME) | hostmaster@scannet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2001-02-26 |
| Expires | 2027-03-31 (164d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-29 15:24:00 shown | 1750ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 20:19:36 | 2447ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 23:46:10 | 812ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-03 15:07:23 | 9243ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 08:03:14 | 668ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 07:57:01 | 1016ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 21:15:47 | 625ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-18 07:01:54 | 757ms | 2 NS 1 A 1 MX | 🔒 Secure |