redhat.dk is a .dk domain served by 4 nameservers (dns1.p04.nsone.net, dns2.p04.nsone.net, dns3.p04.nsone.net and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 18.185.24.46 is hosted by Amazon.com, Inc. (AS16509) in Germany. Mail is handled by mx1.redhat.com. The zone is not DNSSEC-signed, publishes a 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 200 | 3600s | mx1.redhat.com | 52.25.184.255 | ec2-52-25-184-255.us-west-2.compute.amazonaws.com | AS16509 Amazon.com, Inc. |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a05:d014:803:f30a:4c8d:5530:dac2:179 | 3600s | — | AS16509 | Amazon.com, Inc. | 2a05:d000:0:0:0:0:0:0/25 | 🇩🇪 Germany | Frankfurt am Main |
| 2a05:d014:803:f30c:505c:9738:13c:b7a5 | 3600s | — | AS16509 | Amazon.com, Inc. | 2a05:d000:0:0:0:0:0:0/25 | 🇩🇪 Germany | Frankfurt am Main |
| 2a05:d014:803:f30e:ffe5:90d1:736a:fcad | 3600s | — | AS16509 | Amazon.com, Inc. | 2a05:d000:0:0:0:0:0:0/25 | 🇩🇪 Germany | Frankfurt am Main |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (redhat.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.redhat.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:dmarc-rua@redhat.com; sp=none; ri=86400 |
| www | 18.185.24.46 3.126.5.188 3.71.139.153 2a05:d014:803:f30a:4c8d:5530:dac2:179 2a05:d014:803:f30c:505c:9738:13c:b7a5 2a05:d014:803:f30e:ffe5:90d1:736a:fcad (AS16509) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 0/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.redhat.dk | _acme-challenge.redhat.dk.validate-dv.nsone.net |
| 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 | 1742968718 |
| Primary NS (MNAME) | dns1.p04.nsone.net |
| Responsible (RNAME) | hostmaster@nsone.net |
| Refresh | 200s |
| Retry | 7200s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-04 04:01:34 | 822ms | 4 NS 3 A 1 MX | 🔓 Insecure |
| 2026-10-01 04:20:58 | 899ms | 4 NS 3 A 1 MX | 🔓 Insecure |
| 2026-09-24 18:44:31 | 9658ms | 4 NS 3 A 1 MX | 🔓 Insecure |
| 2026-09-03 14:34:23 | 2605ms | 4 NS 3 A 1 MX | 🔓 Insecure |
| 2026-08-28 01:10:33 | 1280ms | 4 NS 3 A 1 MX | 🔓 Insecure |
| 2026-08-26 09:45:33 | 1178ms | 4 NS 3 A 1 MX | 🔓 Insecure |
| 2026-06-24 02:05:17 shown | 1070ms | 4 NS 3 A 1 MX | 🔓 Insecure |
| 2026-06-20 00:17:54 | 2841ms | 4 NS 3 A 1 MX | 🔓 Insecure |
| 2026-06-17 15:27:11 | 2773ms | 4 NS 3 A 1 MX | 🔓 Insecure |