springbraet-aarhus.dk is a .dk domain served by 2 nameservers (ns.scannet2.dk, ns2.scannet2.dk). It was registered on 30 June 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 20.105.224.40 is hosted by Microsoft Corporation (AS8075) in The Netherlands. Mail is handled by mx1.onlinemail.io, mx2.onlinemail.io. The zone is DNSSEC-signed and validates, has no 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 |
|---|---|---|---|---|---|---|---|
| 20.105.224.40 | 3600s | — | AS8075 | Microsoft Corporation | 20.64.0.0/10 | 🇳🇱 The Netherlands | Amsterdam |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx1.onlinemail.io | 185.21.42.12 | mx1.onlinemail.io | AS48854 team.blue Denmark A/S |
| 20 | 3600s | mx2.onlinemail.io | 46.36.208.16 | mx2.onlinemail.io | AS48854 team.blue Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover-mf.onlinemail.io → 185.21.40.62 |
| 🔶 Autoconfig | autoconfig-mf.onlinemail.io → 185.21.40.62 |
| TXT Record |
|---|
| v=spf1 include:mailgun.org include:spf.onlinemail.io ?all |
| Policy | Record (springbraet-aarhus.dk) |
|---|---|
| ?all (neutral) | v=spf1 include:mailgun.org include:spf.onlinemail.io ?all |
| www CNAME | wa-spn2-prod-c9ezfqdrfkebdbam.westeurope-01.azurewebsites.net (all on azurewebsites.net) → 20.105.224.40 (AS8075) |
| 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 | — | 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: 8/10 · policy: ?all
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026090102 |
| Primary NS (MNAME) | ns.scannet2.dk |
| Responsible (RNAME) | hostmaster@scannet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2016-06-30 |
| Expires | 2027-06-30 (255d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-02 10:21:24 shown | 492ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-29 09:47:01 | 1476ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-18 07:09:40 | 868ms | 2 NS 1 A 2 MX | 🔒 Secure |