hsjakobsen.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.156.107 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx1.alias.proton.me, mx2.alias.proton.me. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 93.191.156.107 | 3600s | linux228.unoeuro.com | AS48854 | team.blue Denmark A/S | 93.191.152.0/21 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 93.191.156.107 |
| 🔶 Autoconfig | 93.191.156.107 |
| TXT Record |
|---|
| pm-verification=yawfvjtddtoxlgvsklxubhpsllmrjo |
| v=spf1 include:alias.proton.me ~all |
| Policy | Record (hsjakobsen.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:alias.proton.me ~all |
| Policy | Record (_dmarc.hsjakobsen.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; pct=100; adkim=s; aspf=s |
| www | 93.191.156.107 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| dkim | dkim._domainkey.alias.proton.me | 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: 1/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.alias.proton.me | DANE-EE · SPKI · SHA-256 | 73B2D19CF53EE2FB4C4C92A023518318… |
| SMTP _25._tcp.mx2.alias.proton.me | DANE-EE · SPKI · SHA-256 | 73B2D19CF53EE2FB4C4C92A023518318… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101200 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 00:22:47 shown | 522ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-01 10:53:50 | 553ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-30 10:52:10 | 861ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-07 01:06:23 | 848ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-04 06:38:46 | 592ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-28 06:14:24 | 816ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-17 11:59:17 | 993ms | 4 NS 1 A 2 MX | 🔒 Secure |