blaksørensen.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 21 February 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.242.131.32 is hosted by Christian Ebsen ApS (AS62121) in Denmark. Mail is handled by mx1.spamfri.dk, mx2.spamfri.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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.e-studio.dk | — | — | — |
| ns2.e-studio.dk | — | — | — |
| ns3.e-studio.dk | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 195.242.131.32 | — | web4.e-studio.dk | AS62121 | Christian Ebsen ApS | 195.242.130.0/23 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mx1.spamfri.dk | 195.242.131.16 | mx1.spamfri.dk | AS62121 Christian Ebsen ApS |
| 20 | — | mx2.spamfri.dk | 193.200.91.109 | mx2.spamfri.dk | AS62121 Christian Ebsen ApS |
| 30 | — | mx3.spamfri.dk | 62.69.152.43 62.69.152.43 |
43.34-46.152.69.62.in-addr.arpa mx3.spamfri.dk |
AS47527 DLX A/S AS47527 DLX A/S |
| TXT Record |
|---|
| v=spf1 +include:_spf.e-studio.dk -all |
| Policy | Record (blaksørensen.dk) |
|---|---|
| -all (hard fail) | v=spf1 +include:_spf.e-studio.dk -all |
| Policy | Record (_dmarc.blaksørensen.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| www CNAME | xn--blaksrensen-kgb.dk (all on xn--blaksrensen-kgb.dk) |
| www vs bare domain | Same network |
| Wildcard | No |
| 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.
DNS lookups: 1/10 · policy: -all
No problems found| 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… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxdomain |
| Field | Value |
|---|---|
| Serial | 2026043002 |
| 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 | 2026-02-21 |
| Expires | 2027-02-20 (116d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-29 22:02:57 | 439ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-09 00:39:40 | 663ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-30 16:01:29 | 2200ms | 3 NS 1 A 3 MX | ❓ Unknown |
| 2026-08-28 02:20:47 | 637ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-30 20:01:52 | 750ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-27 12:02:58 | 730ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-22 13:09:02 | 332ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-22 01:45:21 | 549ms | 3 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-22 01:08:52 | 1193ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 00:51:04 | 2878ms | 3 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-20 14:25:50 | 373ms | 0 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-20 05:00:32 | 3003ms | 3 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-16 14:46:07 shown | 638ms | 3 NS 1 A 3 MX | 🔒 Secure |