er-aarhus.dk is a .dk domain served by 2 nameservers (ns1.oneoffice.dk, ns2.oneoffice.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 162.159.137.9 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by eraarhus-dk0e.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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.oneoffice.dk | — | — | — |
| ns2.oneoffice.dk | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 162.159.137.9 | — | — | AS13335 | Cloudflare, Inc. | 162.159.128.0/19 | — | — |
| TXT Record |
|---|
| MS=ms31799982 |
| v=spf1 include:spf.protection.outlook.com ip4:85.235.240.102 -all |
| Policy | Record (er-aarhus.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com ip4:85.235.240.102 -all |
| Policy | Record (_dmarc.er-aarhus.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; pct=100; rua=mailto:re+wrjguisw64r@dmarc.postmarkapp.com; sp=none; aspf=r; |
| www CNAME | egilrasmussen-aarhus.elementor.cloud (all on elementor.cloud) |
| www vs bare domain | Same network er-aarhus.dk: 162.159.137.9 (AS13335) www.er-aarhus.dk: 162.159.137.9 162.159.138.9 2606:4700:7::a29f:8909 2606:4700:7::a29f:8a09 (AS13335) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-eraarhus-dk0e._domainkey.egilrasmussendk.onmicrosoft.com | RSA · ~1024 bit below 2048 bit |
| selector2 | selector2-eraarhus-dk0e._domainkey.egilrasmussendk.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: 1/10 · 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 | 2025082601 |
| Primary NS (MNAME) | ns1.oneoffice.dk |
| Responsible (RNAME) | hostmaster@curanet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-06-25 16:19:11 | 2567ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 05:06:18 | 871ms | 2 NS 1 A 1 MX | ❓ Unknown |
| 2026-06-22 02:01:36 | 673ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 08:12:45 | 2412ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 08:01:54 | 11966ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 08:01:47 | 663ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 08:00:07 shown | 796ms | 2 NS 1 A 1 MX | 🔓 Insecure |