jeseriksen.dk is a .dk domain served by 3 nameservers (helium.ns.hetzner.de, hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 90.185.178.17 is hosted by Hiper A/S (AS203953) in Denmark. Mail is handled by jeseriksen.dk. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 90.185.178.17 | 3600s | mail.jeseriksen.dk | AS203953 | Hiper A/S | 90.184.0.0/15 | 🇩🇰 Denmark | Vanløse |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | jeseriksen.dk | 90.185.178.17 | mail.jeseriksen.dk | AS203953 Hiper A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | jeseriksen.dk → 90.185.178.17 |
| 🔶 Autoconfig | jeseriksen.dk → 90.185.178.17 |
| TXT Record |
|---|
| v=spf1 mx a ip4:89.150.148.4/32 ip4:90.185.178.17/32 a:jeseriksen.dk a:janeeriksen.dk a:leriksen.dk a:schandorfferiksen.dk a:smallsolutions.dk a:trillegaarden.com a:nicehost.org a:rasmuswidell.com -all |
| Policy | Record (jeseriksen.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx a ip4:89.150.148.4/32 ip4:90.185.178.17/32 a:jeseriksen.dk a:janeeriksen.dk a:leriksen.dk a:schandorfferiksen.dk a:smallsolutions.dk a:trillegaarden.com a:nicehost.org a:rasmuswidell.com -all |
| Policy | Record (_dmarc.jeseriksen.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:jes@smallsolutions.dk; ruf=mailto:jes@smallsolutions.dk |
| www CNAME | jeseriksen.dk (all on jeseriksen.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Selector | CNAME | Key |
|---|---|---|
| dkim | — | 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: 10/10 · policy: -all
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.jeseriksen.dk | jeseriksen.dk |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026051000 |
| Primary NS (MNAME) | hydrogen.ns.hetzner.com |
| Responsible (RNAME) | dns@hetzner.com |
| Refresh | 86400s |
| Retry | 10800s |
| Expire | 3600000s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 07:42:29 shown | 605ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-30 22:02:34 | 818ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-29 22:58:24 | 782ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 09:05:49 | 848ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 00:14:50 | 3411ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-21 13:38:13 | 1175ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 19:30:33 | 3975ms | 3 NS 1 A 1 MX | 🔓 Insecure |