eru.dk is a .dk domain served by 2 nameservers (ns01.hostnet.nl, ns02.hostnet.nl). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.184.0.64 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mail.eru.dk. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns01.hostnet.nl | — | — | — |
| ns02.hostnet.nl | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 91.184.0.64 | — | 91-184-0-64.forward.hostnet.nl | AS51468 | One.com A/S | 91.184.0.0/19 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mail.eru.dk | 81.93.56.200 81.93.56.200 |
webmail.datishetmooievan15plus.nl vs6360.itindependent.net |
AS31673 Uniserver Internet B.V. AS31673 Uniserver Internet B.V. |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (eru.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.eru.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:cyewlpxb@ag.eu.dmarcian.com; |
| www CNAME | eru.dk (all on eru.dk) → 91.184.0.64 (AS51468) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | — | Revoked (empty key) |
| dkim | — | Revoked (empty key) |
| k1 | — | Revoked (empty key) |
| — | Revoked (empty key) | |
| s1 | — | Revoked (empty key) |
| s2 | — | Revoked (empty key) |
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| 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 | 2026011201 |
| Primary NS (MNAME) | ns01.hostnet.nl |
| Responsible (RNAME) | hostmaster@hostnet.nl |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-25 02:32:43 | 578ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-10 11:58:14 | 3950ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-14 01:01:22 | 8888ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-11 18:33:29 | 1064ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 08:15:49 shown | 786ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 08:15:41 | 951ms | 2 NS 1 A 1 MX | 🔓 Insecure |