skimmel.dk is a .dk domain served by 2 nameservers (ns1.aau.dk, ns2.aau.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 130.225.57.55 is hosted by IDDQD-AS (AS1835) in Denmark. Mail is handled by skimmel-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 130.225.57.55 | 3600s | — | AS1835 | IDDQD-AS | 130.225.0.0/16 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| adobe-idp-site-verification=377352ae79cbad27a7fa503684623b58becc8c65753a15e4f789ed14208cd347 |
| apple-domain-verification=gahhYHeaGlGEwCmZ |
| google-site-verification=kThJWhjl8HzAAhAerkaCOb9-0vacZSv6gpL-FzPgnA0 |
| MS=ms79303766 |
| v=spf1 include:_spfhard.aau.dk -all |
| Policy | Record (skimmel.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spfhard.aau.dk -all |
| Policy | Record (_dmarc.skimmel.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| www | 130.225.57.55 (AS1835) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-skimmel-dk._domainkey.aaudk.onmicrosoft.com | RSA · ~1024 bit below 2048 bit |
| selector2 | selector2-skimmel-dk._domainkey.aaudk.onmicrosoft.com | 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: 2/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.skimmel.dk | d972ebbe-4df7-48c6-81e0-f7f9e67e2f41.acme.aau.dk |
| TXT | d972ebbe-4df7-48c6-81e0-f7f9e67e2f41.acme.aau.dk | 2TO74ZfnXUar_1LgPCiUEprjX3XiROks8EsLpTKQG4A |
| TXT | d972ebbe-4df7-48c6-81e0-f7f9e67e2f41.acme.aau.dk | tia2Ve7oMj0AUaSePcG9ZzZJtS6CJDVSgpa-08LqmBc |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2023082403 |
| Primary NS (MNAME) | ns1.aau.dk |
| Responsible (RNAME) | hostmaster@its.aau.dk |
| Refresh | 3600s |
| Retry | 900s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 15:54:31 shown | 916ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-02 07:29:38 | 1805ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-26 10:21:56 | 927ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-18 05:29:57 | 1280ms | 2 NS 1 A 1 MX | 🔓 Insecure |