skanderborg.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 31 January 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 13.69.228.8 is hosted by Microsoft Corporation (AS8075) in Ireland. Mail is handled by mx1-dk.centerasecurity.dk, mx2-dk.centerasecurity.dk and 1 more. The zone is DNSSEC-signed and validates, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 13.69.228.8 | 3600s | — | AS8075 | Microsoft Corporation | 13.64.0.0/11 | 🇮🇪 Ireland | Dublin |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.136 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 0 | 0 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| apple-domain-verification=PvWoJhCNbk5T2V0i |
| apple-domain-verification=WEAV4cEJYDHn2mlm |
| G1CJjDkXCmBHuwT/dCQru8o1zwiY1ZcYBDgKp7ayEVxRAziMk3FnLdCaCPlbTxeeCVlAqxHG+JZSx6mNYjWG2g== |
| MS=ms77393316 |
| nVDLxnF9Y0D4tRWvkzoJDrFsGsnRrk6tuwuL2F2er6Gw6luXZiFkaJz1RUOXTm/5XEfkBGbUruvxQN+p8KNf+Q== |
| v=spf1 include:_spf.centerasecurity.dk include:_spf.presscloud.com include:spf.protection.outlook.com include:spf.mailjet.com include:_spf.bellcom.dk include:spf.ubivox.com include:_custspf.one.com include:spf.truelink.dk -all |
| Policy | Record (skanderborg.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.centerasecurity.dk include:_spf.presscloud.com include:spf.protection.outlook.com include:spf.mailjet.com include:_spf.bellcom.dk include:spf.ubivox.com include:_custspf.one.com include:spf.truelink.dk -all |
| Policy | Record (_dmarc.skanderborg.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:rua@skanderborg.dk,mailto:dmarc_agg@vali.email,mailto:65b8b817e967e@dmarc-dk.centerasecurity.com; ruf=mailto:ruf@skanderborg.dk; fo=1; |
| Flags | Tag | Value |
|---|---|---|
| 0 | issue | amazonaws.com |
| 0 | issue | digicert.com |
| 0 | issue | letsencrypt.org |
| 0 | issue | sectigo.com |
| 0 | issuewild | digicert.com |
| 0 | issuewild | sectigo.com |
| www CNAME | app-bleauborgerskanderborgkommune-dw-prod-001.azurewebsites.net (all on azurewebsites.net) → 13.69.228.8 (AS8075) |
| 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 |
|---|---|---|
| dkim | dkim._domainkey.bellcom.dk | RSA · ~1024 bit below 2048 bit |
| mail._domainkey.bellcom.dk | 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
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.skanderborg.dk | _acme-challenge.9ac01310829aae848a5b299bb9e38ac9fdd3e0d949697c77.upcloudlb.com |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx2-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx2-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx3-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx3-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| 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) | ns1-03.azure-dns.com |
| Responsible (RNAME) | azuredns-hostmaster@microsoft.com |
| Refresh | 3600s |
| Retry | 300s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1997-01-31 |
| Expires | 2027-03-31 (164d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 20:39:11 shown | 899ms | 4 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-24 02:50:24 | 2588ms | 4 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-15 03:23:53 | 895ms | 4 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-26 23:40:19 | 952ms | 4 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-17 12:03:22 | 1393ms | 4 NS 1 A 4 MX | 🔒 Secure |