smarthost.dk is a .dk domain served by 3 nameservers (dns.smarthost.pl, dns2.smarthost.pl, dns3.smarthost.pl). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.211.221.2 is hosted by Smarthost sp. z o.o. (AS39566) in Poland. Mail is handled by smarthost.dk. The zone is not DNSSEC-signed, has no 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 |
|---|---|---|---|---|---|---|---|
| 91.211.221.2 | 600s | server-ab2.rev.smarthost.pl | AS39566 | Smarthost sp. z o.o. | 91.211.220.0/22 | 🇵🇱 Poland | Częstochowa |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 600s | smarthost.dk | 91.211.221.2 | server-ab2.rev.smarthost.pl | AS39566 Smarthost sp. z o.o. |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 91.211.221.2 |
| 🔶 Autoconfig | 91.211.221.2 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 0 | 443 | cpanelemaildiscovery.cpanel.net |
| TXT Record |
|---|
| v=spf1 ip4:91.211.222.2 ip4:91.211.220.5 ip4:91.211.221.31 +a +mx +ip4:91.211.220.4 +ip4:91.211.221.2 -all |
| Policy | Record (smarthost.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:91.211.222.2 ip4:91.211.220.5 ip4:91.211.221.31 +a +mx +ip4:91.211.220.4 +ip4:91.211.221.2 -all |
| www CNAME | smarthost.dk (all on smarthost.dk) → 91.211.221.2 (AS39566) |
| 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: 2/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.smarthost.dk | nI8_Fd93ya2yoW6G5LY9yFbpV6viIktluvbxrlVSrqo |
| 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 | 2026051400 |
| Primary NS (MNAME) | dns.smarthost.pl |
| Responsible (RNAME) | sysadmin@smarthost.pl |
| Refresh | 3600s |
| Retry | 1800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-02 09:07:18 | 10938ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-26 03:39:53 | 1045ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-30 18:26:09 | 1173ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-26 12:17:09 | 1889ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-25 07:26:05 shown | 1273ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 13:55:22 | 1478ms | 3 NS 1 A 1 MX | 🔓 Insecure |