small-one.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 23 May 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.31.76.91 is hosted by DLX A/S (AS47527) in Denmark. Mail is handled by mailscanner.powerhosting.dk, backup-mx.powerhosting.dk. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 185.31.76.91 | 86400s | — | AS47527 | DLX A/S | 185.31.76.0/22 | 🇩🇰 Denmark | Herning |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 185.31.76.91 |
| 🔶 Autoconfig | autoconfig.powerhosting.dk → 188.116.39.132 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a00:b920:2:1337::91 | 86400s | — | AS47527 | DLX A/S | 2a00:b920:0:0:0:0:0:0/29 | 🇩🇰 Denmark | Herning |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 1 | 443 | autodiscover.powerhosting.dk |
| _imap._tcp | 0 | 10 | 143 | mail1.powerhosting.dk |
| _imaps._tcp | 0 | 10 | 993 | mail1.powerhosting.dk |
| TXT Record |
|---|
| v=spf1 include:_spf.powerhosting.dk mx -all |
| Policy | Record (small-one.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.powerhosting.dk mx -all |
| Policy | Record (_dmarc.small-one.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; pct=100; rua=mailto:dmarc@powerhosting.dk; ruf=mailto:dmarc@powerhosting.dk; adkim=r; aspf=r |
| www | 185.31.76.91 2a00:b920:2:1337::91 (AS47527) (address records, no CNAME) |
| www vs bare domain | Same network small-one.dk: 185.31.76.91 2a00:b920:2:1337::91 (AS47527) www.small-one.dk: 185.31.76.91 2a00:b920:2:1337::91 (AS47527) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| dkim | ph._domainkey.powerhosting.dk | 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: 2/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.small-one.dk | _acme-challenge.powr.host |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.backup-mx.powerhosting.dk | DANE-EE · SPKI · SHA-256 | 3C02E6711E7E08A1889E67D27C35D230… |
| SMTP _25._tcp.mailscanner.powerhosting.dk | DANE-EE · SPKI · SHA-256 | 3C02E6711E7E08A1889E67D27C35D230… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026032401 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2016-05-23 |
| Expires | 2027-05-31 (215d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 16:53:01 | 672ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-28 21:29:58 | 1267ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-24 20:19:07 | 1988ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-23 20:01:12 | 2228ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-22 13:14:06 | 2414ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-08 23:15:46 shown | 1090ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-13 07:43:04 | 7219ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-20 03:53:22 | 1612ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-17 12:59:50 | 2025ms | 2 NS 1 A 2 MX | 🔒 Secure |