1871.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 3 May 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 81.7.178.52 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by mx1.pub.mailpod11-cph3.one.com, mx2.pub.mailpod11-cph3.one.com and 2 more. The zone is DNSSEC-signed and validates, 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns01.one.com | 195.206.121.10 | ns01.one.com | AS197495 One.com A/S |
| ns02.one.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 81.7.178.52 | 43200s | — | AS47292 | Sentia Denmark A/S | 81.7.176.0/20 | 🇩🇰 Denmark | Nordhavn |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10799s | mx1.pub.mailpod11-cph3.one.com | 104.37.34.230 | mx1.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| 10 | 10799s | mx2.pub.mailpod11-cph3.one.com | 104.37.34.231 | mx2.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| 10 | 10799s | mx3.pub.mailpod11-cph3.one.com | 104.37.34.232 | mx3.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| 10 | 10799s | mx4.pub.mailpod11-cph3.one.com | 104.37.34.233 | mx4.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 81.7.178.52 |
| 🔶 Autoconfig | 81.7.178.52 |
| www | Address record (no CNAME) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 00E55642F312E05CDB899B1433EDF47F… |
| SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 00E55642F312E05CDB899B1433EDF47F… |
| SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 00E55642F312E05CDB899B1433EDF47F… |
| SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 00E55642F312E05CDB899B1433EDF47F… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026061901 |
| 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 | ONE.COM A/S |
| Registered | 2005-05-03 |
| Expires | 2027-05-31 (222d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Domain | Registrar |
|---|---|
| thorvaldsensvej.dk | ONE.COM A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-26 15:13:11 | 665ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-23 11:48:04 | 1292ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-19 20:16:53 | 708ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-20 21:01:24 | 4477ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-15 17:38:06 | 6069ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-20 16:45:41 | 5179ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-11 17:01:00 | 7285ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-03 09:37:13 | 1079ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-28 01:42:22 shown | 2140ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-20 14:21:10 | 2395ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-20 05:07:49 | 613ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-16 12:44:38 | 1112ms | 2 NS 1 A 4 MX | 🔒 Secure |