hogstad.dk is a .dk domain served by 3 nameservers (ns1.e-studio.dk, ns2.e-studio.dk, ns3.e-studio.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.hogstad.dk, mx4.spamfri.dk and 3 more. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 193.200.90.180 | 300s | web8.e-studio.dk | AS62121 | — | — | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | atollon.hostingnet.dk → 193.200.90.180 |
| 🔶 Autoconfig | atollon.hostingnet.dk → 193.200.90.180 |
| TXT Record |
|---|
| v=spf1 +a +mx +ip4:193.200.90.180 include:_spf.e-studio.dk -all |
| Policy | Record (hogstad.dk) |
|---|---|
| -all (hard fail) | v=spf1 +a +mx +ip4:193.200.90.180 include:_spf.e-studio.dk -all |
| Policy | Record (_dmarc.hogstad.dk) |
|---|---|
| p=reject | v=DMARC1;p=reject; adkim=s; aspf=s |
| www CNAME | hogstad.dk (all on hogstad.dk) |
| www vs bare domain | Same network |
| Wildcard | No |
| 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.
DNS lookups: 3/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.hogstad.dk | rLsjdhSbQJWt1fqMv3prXrB1S-N--s8gQkJJL0vetcQ |
| 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 | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026052301 |
| 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 |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 06:02:26 | 493ms | 3 NS 1 A 5 MX | 🔓 Insecure |
| 2026-09-26 02:22:26 | 685ms | 3 NS 1 A 5 MX | 🔓 Insecure |
| 2026-09-24 03:53:09 | 791ms | 3 NS 1 A 5 MX | 🔓 Insecure |
| 2026-09-17 21:25:29 | 632ms | 3 NS 1 A 5 MX | 🔓 Insecure |
| 2026-07-24 13:15:29 | 1098ms | 3 NS 1 A 5 MX | 🔓 Insecure |
| 2026-06-23 20:27:44 | 4200ms | 3 NS 1 A 5 MX | 🔓 Insecure |
| 2026-06-22 10:40:14 | 1166ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-19 12:49:14 shown | 4487ms | 3 NS 1 A 5 MX | 🔓 Insecure |
| 2026-06-17 13:19:04 | 289ms | 0 NS 0 A 0 MX | ❓ Unknown |