erolco.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 3 July 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.127 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod14-cph3.one.com, mx2.pub.mailpod14-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 |
|---|---|---|---|---|---|---|---|
| 46.30.215.127 | 3600s | webforward.webpod16-cph3.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.pub.mailpod14-cph3.one.com | 185.10.9.212 | mx1.pub.mailpod14-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod14-cph3.one.com | 185.10.9.213 | mx2.pub.mailpod14-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod14-cph3.one.com | 185.10.9.214 | mx3.pub.mailpod14-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.pub.mailpod14-cph3.one.com | 185.10.9.215 | mx4.pub.mailpod14-cph3.one.com | AS51468 One.com A/S |
| www | 195.47.247.18 (AS51468) (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 |
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.erolco.dk | LjKimOAkPpwcahW6b_2u1ZSbzQsvCT87WIDaKnbRkkw |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod14-cph3.one.com | DANE-EE · SPKI · SHA-256 | 42A27444ECBF3C0485409E27E2A6AB15… |
| SMTP _25._tcp.mx2.pub.mailpod14-cph3.one.com | DANE-EE · SPKI · SHA-256 | 42A27444ECBF3C0485409E27E2A6AB15… |
| SMTP _25._tcp.mx3.pub.mailpod14-cph3.one.com | DANE-EE · SPKI · SHA-256 | 42A27444ECBF3C0485409E27E2A6AB15… |
| SMTP _25._tcp.mx4.pub.mailpod14-cph3.one.com | DANE-EE · SPKI · SHA-256 | 42A27444ECBF3C0485409E27E2A6AB15… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026090702 |
| 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 | 2023-07-03 |
| Expires | 2027-07-02 (258d) |
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 |
|---|---|
| brintgas.dk | Simply.com A/S |
| brintvarmer.dk | ONE.COM A/S |
| hydrogendanmark.dk | Simply.com A/S |
| termomaling.dk | Simply.com A/S |
| zerocarbon.dk | Simply.com A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 13:30:19 | 672ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-27 19:53:18 | 541ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-22 00:38:25 | 522ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-14 10:30:08 | 830ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-07 08:04:17 shown | 695ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-17 13:27:40 | 929ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-01 22:18:13 | 4866ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-10 18:57:52 | 8955ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-09 03:42:22 | 1502ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-01 23:43:36 | 587ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 08:15:59 | 528ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 08:15:38 | 3122ms | 2 NS 1 A 4 MX | 🔒 Secure |