olewinther.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 12 February 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.41.114 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx.spamfilter.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 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 |
|---|---|---|---|---|---|---|---|
| 185.21.41.114 | 3600s | linux22.curanet.dk | AS48854 | team.blue Denmark A/S | 185.21.40.0/22 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.179.88 |
| 🔶 Autoconfig | olewinther.dk → 185.21.41.114 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 0 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| a ip4:195.249.218.0/24 include:spf.protection.outlook.com include:mailgun.org ~all |
| bt4ndc6o8uo25q0rku5qgrleps |
| google-site-verification=TspTyhe0U9oXlLsIx7bPPg-lZ7c_VpxRVx44M48iUjU |
| MS=ms30867068 |
| MS=ms58655279 |
| v=spf1 a include:spf.protection.outlook.com include:mailgun.org include:spf.mailjet.com ~all |
| Policy | Record (olewinther.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a include:spf.protection.outlook.com include:mailgun.org include:spf.mailjet.com ~all |
| www CNAME | olewinther.dk (all on olewinther.dk) → 185.21.41.114 (AS48854) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u21071528.wl029.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u21071528.wl029.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: 8/10 · policy: ~all
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.olewinther.dk | olewinther.dk |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx.spamfilter.io | DANE-EE · SPKI · SHA-256 | 9A25F05F2E322DABDCC9B7A06AB47A2D… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026071502 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2001-02-12 |
| Expires | 2027-03-31 (163d) |
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 |
|---|---|---|---|
| 2026-10-13 01:32:24 | 655ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 14:00:26 | 565ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-12 11:35:59 | 1062ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-11 19:01:26 | 2832ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-06 07:47:19 | 3092ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-18 01:59:47 | 961ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-16 00:45:38 shown | 913ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-18 05:48:02 | 861ms | 2 NS 1 A 1 MX | 🔒 Secure |