heltner.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 7 October 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.249.40.164 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by mx1.pub.mailpod10-cph3.one.com, mx2.pub.mailpod10-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 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 |
|---|---|---|---|---|---|---|---|
| 195.249.40.164 | 3600s | — | AS3292 | TDC Holding A/S | 195.249.0.0/16 | 🇩🇰 Denmark | Aarhus |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.pub.mailpod10-cph3.one.com | 104.37.34.70 | mx1.pub.mailpod10-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod10-cph3.one.com | 104.37.34.71 | mx2.pub.mailpod10-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod10-cph3.one.com | 104.37.34.72 | mx3.pub.mailpod10-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.pub.mailpod10-cph3.one.com | 104.37.34.73 | mx4.pub.mailpod10-cph3.one.com | AS51468 One.com A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 195.249.40.164 |
| 🔶 Autoconfig | 195.249.40.164 |
| www | 195.249.40.164 (AS3292) (address records, no CNAME) |
| www vs bare domain | Same network |
| 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.mailpod10-cph3.one.com | DANE-EE · SPKI · SHA-256 | 6F2F6668E559087AD0C5D55F223128E2… |
| SMTP _25._tcp.mx2.pub.mailpod10-cph3.one.com | DANE-EE · SPKI · SHA-256 | 6F2F6668E559087AD0C5D55F223128E2… |
| SMTP _25._tcp.mx3.pub.mailpod10-cph3.one.com | DANE-EE · SPKI · SHA-256 | 6F2F6668E559087AD0C5D55F223128E2… |
| SMTP _25._tcp.mx4.pub.mailpod10-cph3.one.com | DANE-EE · SPKI · SHA-256 | 6F2F6668E559087AD0C5D55F223128E2… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101101 |
| 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 | 2003-10-07 |
| Expires | 2035-10-31 (3295d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 00:19:19 shown | 1635ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-15 13:10:50 | 881ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-26 22:23:44 | 1597ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-11 03:46:33 | 3462ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-12 08:44:23 | 964ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-24 19:23:21 | 726ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-24 02:43:42 | 1535ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-24 00:37:27 | 833ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-23 21:46:24 | 1196ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 11:21:54 | 936ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 11:13:45 | 717ms | 2 NS 1 A 4 MX | 🔒 Secure |