udo.dk is a .dk domain served by 3 nameservers (ns1.dns.services, ns2.dns.services, ns3.dns.services). It was registered on 26 September 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 194.45.77.44 is hosted by EWII Bredbaand A/S (AS204151) in Denmark. Mail is handled by mail.hurtigweb.com. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 194.45.77.44 | — | Mail.hurtigweb.com | AS204151 | EWII Bredbaand A/S | 194.45.76.0/22 | 🇩🇰 Denmark | Kokkedal |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mail.hurtigweb.com | 194.45.77.44 2a06:4004:802a:0:4920:1085:c9dd:d446 |
Mail.hurtigweb.com 2A06.4004.802a.0000.4920.1085.C9Dd.d446.static6.kviknet.net |
AS204151 EWII Bredbaand A/S AS204151 EWII Bredbaand A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 194.45.77.44 |
| 🔶 Autoconfig | 194.45.77.44 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a06:4004:802a:0:4920:1085:c9dd:d445 | — | 2a06.4004.802a.0000.4920.1085.C9dD.D445.static6.kviknet.net | AS204151 | EWII Bredbaand A/S | 2a06:4000:0:0:0:0:0:0/29 | 🇩🇰 Denmark | Egernsund |
| TXT Record |
|---|
| v=spf1 ip4:194.45.77.44 ip6:2a06:4004:802a:0:4920:1085:c9dd:d446 -all |
| Policy | Record (udo.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:194.45.77.44 ip6:2a06:4004:802a:0:4920:1085:c9dd:d446 -all |
| www | 194.45.77.44 2a06:4004:802a:0:4920:1085:c9dd:d445 (AS204151) (address records, no CNAME) |
| www vs bare domain | Same network udo.dk: 194.45.77.44 2a06:4004:802a:0:4920:1085:c9dd:d445 (AS204151) www.udo.dk: 194.45.77.44 2a06:4004:802a:0:4920:1085:c9dd:d445 (AS204151) |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | — | 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: 0/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.hurtigweb.com | DANE-EE · SPKI · SHA-256 | C5E68B1357D5C5FC2B6A07E367409029… |
| SMTP _25._tcp.mail.hurtigweb.com | DANE-TA · SPKI · SHA-256 | C5E68B1357D5C5FC2B6A07E367409029… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2024101411 |
| Primary NS (MNAME) | ns1.dns.services |
| Responsible (RNAME) | post@dns.services |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 1814400s |
| Minimum (neg-cache TTL) | 7200s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2000-09-26 |
| Expires | 2030-09-30 (1443d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-02 17:40:55 | 33096ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 17:05:55 | 8441ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-15 00:26:35 | 12703ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 23:54:40 shown | 784ms | 3 NS 1 A 1 MX | 🔒 Secure |