struer.dk is a .dk domain served by 4 nameservers (ns1-05.azure-dns.com, ns2-05.azure-dns.net, ns3-05.azure-dns.org and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 167.235.95.185 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by eu-esec-01.heimdalsecurity.com, eu-esec-02.heimdalsecurity.com. The zone is DNSSEC-signed and validates, 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 167.235.95.185 | — | static.185.95.235.167.clients.your-server.de | AS24940 | Hetzner Online GmbH | 167.235.0.0/16 | 🇩🇪 Germany | Falkenstein |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.98.16.50 |
| 🔶 Autoconfig | struer.dk → 167.235.95.185 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:4f8:2220:1b48::2 | — | — | AS24940 | Hetzner Online GmbH | 2a01:4f8:0:0:0:0:0:0/31 | 🇩🇪 Germany | Falkenstein |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| _urfebjbr9nwkzc6kp05uxpuogtjb4cc |
| 2kzr5fv4z4yf0404mb9ksywqdqb7rc39 |
| 6wyvzhxbhwxfvsm71fc258jl71bfjmsy |
| globalsign-domain-verification=EJyjE42U0uWgUBGLxk6OmV1CvXR3szhoS3E5ite2ib |
| MS=ms48947218 |
| MuwkjjTzPi4AiLeeTN8ctdkaa8leA/6aWIwJj98VALfK3USBvJ5vUuv5Q7PPT14qA94UnfJ49UYZJYRYu0EnHQ== |
| v=spf1 ip4:78.46.95.94 ip4:89.188.74.46 ip4:131.165.209.48 ip4:176.9.38.91 include:spf.protection.outlook.com include:spf.mandrillapp.com include:spf-esec.heimdalsecurity.com include:dedicated.mysmtp.com -all |
| vDxAnR2Ac0kl2qmkZ41OCUiDi0uS4z8f+f9oacHIbHU70pscD5C9eDHeAVM2dfUUYAw/3W2PtZsgfqv5ctFkmg== |
| x0nnb7xs3j9m6fyhgb6zyr93m7lnkl4h |
| xr3970nmxjnsd7dv2l37qwkt9hsx4bz2 |
| Policy | Record (struer.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:78.46.95.94 ip4:89.188.74.46 ip4:131.165.209.48 ip4:176.9.38.91 include:spf.protection.outlook.com include:spf.mandrillapp.com include:spf-esec.heimdalsecurity.com include:dedicated.mysmtp.com -all |
| Policy | Record (_dmarc.struer.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=none; adkim=r; aspf=r; rua=mailto:66fd08dfab9ab@dmarc-dk.centerasecurity.com;ruf=mailto:abuse@struer.dk; fo=0; pct=100; ri=86400 |
| Flags | Tag | Value |
|---|---|---|
| 0 | issue | digicert.com |
| 0 | issue | globalsign.com |
| 0 | issue | letsencrypt.org |
| 0 | issuewild | globalsign.com |
| 0 | issuewild | letsencrypt.org |
| www CNAME | struer.dk (all on struer.dk) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u20167971.wl222.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u20167971.wl222.sendgrid.net | 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: 7/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.eu-esec-01.heimdalsecurity.com | DANE-EE · SPKI · SHA-256 | 2E8933DD6DB99304A5A9D5C4ECDE7B8E… |
| SMTP _25._tcp.eu-esec-02.heimdalsecurity.com | DANE-EE · SPKI · SHA-256 | 2E8933DD6DB99304A5A9D5C4ECDE7B8E… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 1 |
| Primary NS (MNAME) | ns1-05.azure-dns.com |
| Responsible (RNAME) | azuredns-hostmaster@microsoft.com |
| Refresh | 3600s |
| Retry | 300s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 300s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 03:09:31 | 902ms | 4 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-30 05:49:12 | 989ms | 4 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-27 06:34:15 | 895ms | 4 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-18 20:26:18 | 3170ms | 4 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-26 13:29:16 | 1310ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-29 04:06:10 | 806ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-23 16:02:33 | 1163ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-23 09:04:31 | 909ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-21 01:08:50 | 952ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 23:31:23 shown | 1266ms | 4 NS 1 A 2 MX | 🔒 Secure |