stjernholm.dk is a .dk domain served by 4 nameservers (ns-112.awsdns-14.com, ns-1392.awsdns-46.org, ns-1698.awsdns-20.co.uk and 1 more). It was registered on 24 March 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 51.145.211.15 is hosted by Microsoft Corporation (AS8075) in The Netherlands. Mail is handled by stjernholm-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 51.145.211.15 | 300s | — | AS8075 | Microsoft Corporation | 51.144.0.0/15 | 🇳🇱 The Netherlands | Amsterdam |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.152 |
| 🔶 Autoconfig | 93.166.123.230 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| _globalsign-domain-verification=ib9oopWCi4b73UvwIohpH3Gq6m-AXkEpoNxB4R00bV |
| duo_sso_verification=SlJSQWhWBJb31M90UAjeYazcBAzxYscIO1u9qc7Px8g9D0sl61lYeUaAWNcGojd8 |
| google-site-verification=VfjIjohgEVHWB3W9OLqq1dbX7ciDSEUBYBsEFX4cSxw |
| MS=ms56892934 |
| v=spf1 a:mail.stjernholm.dk include:spf.protection.outlook.com include:spfa.cpmails.com include:_spf.stejtech.net include:servers.mcsv.net -all |
| Policy | Record (stjernholm.dk) |
|---|---|
| -all (hard fail) | v=spf1 a:mail.stjernholm.dk include:spf.protection.outlook.com include:spfa.cpmails.com include:_spf.stejtech.net include:servers.mcsv.net -all |
| Policy | Record (_dmarc.stjernholm.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; adkim=s; aspf=s |
| www CNAME | stjernholm.dk (all on stjernholm.dk) → 51.145.211.15 (AS8075) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Selector | CNAME | Key |
|---|---|---|
| k1 | dkim.mcsv.net | RSA · ~1024 bit below 2048 bit |
| s1 | s1.domainkey.u12214957.wl208.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u12214957.wl208.sendgrid.net | RSA · ~1024 bit below 2048 bit |
| selector2 | selector2-stjernholm-dk._domainkey.stjernholm2.onmicrosoft.com | 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: 9/10 · policy: -all
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 1 |
| Primary NS (MNAME) | ns-749.awsdns-29.net |
| Responsible (RNAME) | awsdns-hostmaster@amazon.com |
| Refresh | 7200s |
| Retry | 900s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1998-03-24 |
| 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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-29 14:46:18 shown | 4553ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 12:02:20 | 1557ms | 4 NS 1 A 1 MX | 🔓 Insecure |