mentordanmark.dk is a .dk domain served by 4 nameservers (ns1-03.azure-dns.com, ns2-03.azure-dns.net, ns3-03.azure-dns.org and 1 more). It was registered on 12 April 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 86.58.160.188 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by mentordanmark-dk.mail.protection.outlook.com. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 86.58.160.188 | 600s | — | AS47292 | Sentia Denmark A/S | 86.58.160.0/21 | 🇩🇰 Denmark | Glostrup Municipality |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.8 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| _globalsign-domain-verification=_CPwKqFSZOPvKM76UmOy8SQRs4dVdKeM7QIwk5FQU5 |
| amazonses:CBvSZXV7It3Y5q1NdBeR2JBZon7qFMTT5amANeQpnms= |
| brevo-code:373850d76da5356e79a6fd1c78cc2ad8 |
| dCeNZ5869TKw3fC+E5M3CY0r7H6EbgFQpzsX0ULKEW8= |
| google-site-verification=1rtp9hpQJ4P3r-yn9_0e7A5efrErbNsunxOm5mMc9kU |
| google-site-verification=2ldqOa9U2MH4JVZRhv-DOB_FAHAje8JBb0NKV1C2pmU |
| google-site-verification=scNHLt_3xNXsPM___wCjilW2WLXv_T0mABLatuiaKSw |
| google-site-verification=wf3kxJ8bCX0JgRvcHh3LQjJVBFcAToWPyIvtlBGccDg |
| gr6pvcd7bmvl5y2kxj4fygxzk2h6ghf8 |
| MS=ms53426048 |
| v=spf1 include:spf.protection.outlook.com include:sendgrid.net include:spf.brevo.com include:_spf.emply.com include:spf.cm.puzzel.com -all |
| Policy | Record (mentordanmark.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:sendgrid.net include:spf.brevo.com include:_spf.emply.com include:spf.cm.puzzel.com -all |
| Policy | Record (_dmarc.mentordanmark.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:62de94a87c3dc@dmarc.centerasecurity.com; |
| www | 86.58.160.13 (AS47292) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| — | RSA · ~1024 bit below 2048 bit | |
| s1 | s1.domainkey.u1225456.wl.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u1225456.wl.sendgrid.net | RSA · ~1024 bit below 2048 bit |
| selector1 | selector1-mentordanmark-dk._domainkey.gyldendaldk.onmicrosoft.com | 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: 6/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2021110402 |
| Primary NS (MNAME) | ns1-03.azure-dns.com |
| Responsible (RNAME) | hostmaster@gratisdns.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 2419000s |
| Minimum (neg-cache TTL) | 43200s |
| Field | Value |
|---|---|
| Registrar | WEB SOLUTIONS A/S |
| Registered | 2013-04-12 |
| Expires | 2027-04-30 (189d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-03 10:17:44 | 1216ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 00:49:09 | 1670ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-01 04:23:49 | 861ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 15:03:40 | 910ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-21 00:28:16 shown | 974ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 13:09:40 | 2412ms | 4 NS 1 A 1 MX | 🔒 Secure |