rk-elteknik.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 8 July 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 109.71.58.180 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx1.pub.mailpod12-cph3.one.com, mx2.pub.mailpod12-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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 109.71.58.180 | 600s | plesk1.optimized.dk | AS48854 | team.blue Denmark A/S | 109.71.56.0/21 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.pub.mailpod12-cph3.one.com | 104.37.34.246 | mx1.pub.mailpod12-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod12-cph3.one.com | 104.37.34.247 | mx2.pub.mailpod12-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod12-cph3.one.com | 104.37.34.248 | mx3.pub.mailpod12-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.pub.mailpod12-cph3.one.com | 104.37.34.249 | mx4.pub.mailpod12-cph3.one.com | AS51468 One.com A/S |
| www | 109.71.58.180 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod12-cph3.one.com | DANE-EE · SPKI · SHA-256 | D91CB8AC124CB360F986182813BDF3FD… |
| SMTP _25._tcp.mx2.pub.mailpod12-cph3.one.com | DANE-EE · SPKI · SHA-256 | D91CB8AC124CB360F986182813BDF3FD… |
| SMTP _25._tcp.mx3.pub.mailpod12-cph3.one.com | DANE-EE · SPKI · SHA-256 | D91CB8AC124CB360F986182813BDF3FD… |
| SMTP _25._tcp.mx4.pub.mailpod12-cph3.one.com | DANE-EE · SPKI · SHA-256 | D91CB8AC124CB360F986182813BDF3FD… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026061501 |
| 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 | 2024-07-08 |
| Expires | 2027-07-07 (257d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 01:06:29 | 883ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-07 16:08:14 | 791ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-26 22:05:12 | 792ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-09 17:41:49 | 3277ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-17 17:47:22 | 6825ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-10 04:53:07 | 1111ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-04 15:55:30 | 849ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-03 11:39:20 | 2692ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-28 20:36:53 | 1226ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-28 14:41:58 | 646ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-27 15:40:45 | 769ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-26 00:05:36 | 2118ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-23 03:51:26 | 740ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-21 05:17:39 shown | 591ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 20:11:33 | 699ms | 2 NS 1 A 4 MX | 🔒 Secure |