gleerup.dk is a .dk domain served by 3 nameservers (ns1.e-studio.dk, ns2.e-studio.dk, ns3.e-studio.dk). 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 94.231.103.100 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx4.spamfri.dk, mx2.spamfri.dk and 2 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 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 |
|---|---|---|---|---|---|---|---|
| 94.231.103.100 | 14400s | dnsforward.simply.com | AS48854 | team.blue Denmark A/S | 94.231.96.0/20 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 195.242.130.70 |
| 🔶 Autoconfig | 195.242.130.70 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 0 | 443 | cpanelemaildiscovery.cpanel.net |
| TXT Record |
|---|
| google-site-verification=rTZ9fBXIBwadd9g7M-ySFUFdELx1hbcv8HBZ-kEWHQ4 |
| Policy | Record (_dmarc.gleerup.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| www CNAME | ghs.googlehosted.com (all on googlehosted.com) |
| www vs bare domain | Different networks gleerup.dk: 94.231.103.100 (AS48854) (all like this)www.gleerup.dk: 142.251.143.147 2a00:1450:400f:802::2013 (AS15169) |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC3 · 7 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | — | 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.
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.gleerup.dk | Gp08KuU1-PEdkviCy1UB5TCi0-5PMPPU0jX-Vy0BV7I |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.spamfri.dk | DANE-EE · SPKI · SHA-256 | 884451547A03D0AC2F628D943839BAA6… |
| SMTP _25._tcp.mx2.spamfri.dk | DANE-EE · SPKI · SHA-256 | 6598C93F79B95376BB8099E9AC862167… |
| SMTP _25._tcp.mx3.spamfri.dk | DANE-EE · SPKI · SHA-256 | BBFB0694919290E5BC9D6E2C6F47D846… |
| SMTP _25._tcp.mx4.spamfri.dk | DANE-EE · SPKI · SHA-256 | 4EE743A99328AEF5142706CA5FD3AD61… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026070403 |
| Primary NS (MNAME) | ns1.e-studio.dk |
| Responsible (RNAME) | hostmaster@mailrelay.e-studio.dk |
| Refresh | 3600s |
| Retry | 1800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1998-03-24 |
| Expires | 2027-03-31 (154d) |
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).
| Domain | Registrar |
|---|---|
| athenapolis.dk | Simply.com A/S |
| brandsnes.dk | Punktum dk A/S (direct) |
| vola-eksperten.dk | Simply.com A/S |
| wisevibes.dk | Simply.com A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-24 12:37:23 | 610ms | 3 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-06 12:37:53 | 696ms | 3 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-05 01:09:32 shown | 960ms | 3 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-02 10:34:16 | 5746ms | 3 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-24 14:31:38 | 1464ms | 3 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 10:06:11 | 1389ms | 3 NS 1 A 4 MX | 🔒 Secure |