ikuf.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 29 April 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 81.7.158.182 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by dk.mx1.mailanyone.net, dk.mx2.mx25.net and 2 more. The zone is DNSSEC-signed and validates, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 81.7.158.182 | 600s | — | AS47292 | Sentia Denmark A/S | 81.7.158.0/23 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.152 |
| 🔶 Autoconfig | ikuf.dk → 81.7.158.182 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 0 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms22411269 |
| v=spf1 a ip4:81.7.158.165 ip4:81.7.158.166 ip4:81.7.158.177 include:spf.emailsignatures365.com include:spf.protection.outlook.com -all |
| vpe=ba54cd54 |
| Policy | Record (ikuf.dk) |
|---|---|
| -all (hard fail) | v=spf1 a ip4:81.7.158.165 ip4:81.7.158.166 ip4:81.7.158.177 include:spf.emailsignatures365.com include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.ikuf.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:nemits@iu.dk; ruf=mailto:nemits@iu.dk; rf=afrf; pct=100; ri=86400 |
| www | 81.7.158.182 (AS47292) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| 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
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.dk.mx1.mailanyone.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| SMTP _25._tcp.dk.mx1.mailanyone.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| SMTP _25._tcp.dk.mx2.mx25.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| SMTP _25._tcp.dk.mx2.mx25.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| SMTP _25._tcp.dk.mx3.mailanyone.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| SMTP _25._tcp.dk.mx3.mailanyone.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| SMTP _25._tcp.dk.mx4.mx25.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| SMTP _25._tcp.dk.mx4.mx25.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026051303 |
| Primary NS (MNAME) | ns.dandomain.dk |
| Responsible (RNAME) | hostmaster@dandomain.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | DANDOMAIN A/S |
| Registered | 2008-04-29 |
| Expires | 2032-04-30 (2019d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 09:21:49 shown | 1913ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-10 04:59:39 | 924ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-26 21:34:47 | 1062ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 14:25:24 | 1461ms | 2 NS 1 A 4 MX | 🔒 Secure |