kompetencesilkeborg.dk is a .dk domain served by 3 nameservers (ns.efif.dk, ns2.efif.dk, ns3.efif.dk). It was registered on 30 January 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.251.4.118 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by kompetencesilkeborg-dk.mail.protection.outlook.com. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns.efif.dk | 195.254.168.23 | ns.efif.dk | AS51073 Aarhus Business College |
| ns2.efif.dk | 195.254.168.12 | ns2.efif.dk | AS51073 Aarhus Business College |
| ns3.efif.dk | 20.23.170.35 | — | AS8075 Microsoft Corporation |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 178.251.4.118 | 300s | vm0845.enterprisecloud.nu | AS48854 | team.blue Denmark A/S | 178.251.0.0/21 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| HmhzNCrF1HeaVB2tUYL0+rSJjACXuh9YjcXmhCs22EVgNSIlisVHi1DG0wsgTFm/78LYiCueGVYpgqsH56eQXQ== |
| MS=ms58203390 |
| Teknisk Skole Silkeborg |
| uvmid=743401 |
| v=spf1 redirect=_spf.efif.dk |
| Policy | Record (kompetencesilkeborg.dk) |
|---|---|
| redirect=_spf.efif.dk | v=spf1 redirect=_spf.efif.dk |
| Policy | Record (_dmarc.kompetencesilkeborg.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; pct=100; ruf=mailto:analyze@efif.dk; rua=mailto:analyze@efif.dk |
| www CNAME | kompetencesilkeborg.dk (all on kompetencesilkeborg.dk) → 178.251.4.118 (AS48854) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 50 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-kompetencesilkeborg-dk._domainkey.efif.onmicrosoft.com | RSA · ~1024 bit below 2048 bit |
| selector2 | selector2-kompetencesilkeborg-dk._domainkey.efif.onmicrosoft.com | RSA · ~1024 bit below 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 | 2013122157 |
| Primary NS (MNAME) | ns.efif.dk |
| Responsible (RNAME) | dns-zc@efif.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2013-01-30 |
| Expires | 2027-01-31 (106d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 11:26:30 shown | 1271ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-09 04:30:33 | 2783ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-08 04:27:38 | 843ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-02 17:21:58 | 799ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 17:10:16 | 1092ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-27 16:40:05 | 4567ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 16:37:15 | 2862ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 12:11:36 | 2176ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-21 05:22:32 | 6786ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-14 04:39:20 | 3564ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-12 02:26:21 | 1504ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-05 22:18:37 | 3627ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-28 13:43:41 | 1354ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 12:27:27 | 1010ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-25 19:47:45 | 706ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-25 08:37:09 | 4742ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-20 03:59:16 | 10532ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-19 02:31:43 | 6128ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-12 22:11:22 | 1841ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-11 20:51:04 | 1852ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-09 07:07:41 | 5718ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-03 12:35:15 | 10151ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-26 20:42:15 | 10781ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-25 19:41:08 | 3826ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-22 13:23:27 | 14004ms | 3 NS 1 A 1 MX | 🔒 Secure |