arnsen.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.116.13.124 is hosted by GlobalConnect A/S (AS31027) in Denmark. Mail is handled by arnsen-dk.mail.protection.outlook.com, ms18831563.msv1.invalid. The zone is DNSSEC-signed and validates, 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.curanet.dk | — | — | — |
| ns2.curanet.dk | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 87.116.13.124 | — | s8.stom.dk | AS31027 | GlobalConnect A/S | 87.116.0.0/18 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| v=spf1 include:spf.protection.outlook.com include:spf.simply.com include:spf.stom.dk include:sendgrid.net-all |
| Policy | Record (arnsen.dk) |
|---|---|
| no all — incomplete SPF | v=spf1 include:spf.protection.outlook.com include:spf.simply.com include:spf.stom.dk include:sendgrid.net-all |
| Policy | Record (_dmarc.arnsen.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; ruf=mailto:dmarc@stom.dk |
| www CNAME | arnsen.dk (all on arnsen.dk) → 87.116.13.124 (AS31027) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u51109260.wl011.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u51109260.wl011.sendgrid.net | 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: 4/10 · policy: none
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2025031001 |
| Primary NS (MNAME) | ns1.curanet.dk |
| Responsible (RNAME) | hostmaster@curanet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-06-26 08:57:07 | 2470ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-23 07:36:57 | 1386ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-22 17:50:27 | 1162ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-16 13:40:31 shown | 1897ms | 2 NS 1 A 2 MX | 🔒 Secure |