4water.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.47.247.18 is hosted by One.com A/S (AS51468). 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, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 195.47.247.18 | 3600s | one.com.webforward.g1i.one | AS51468 | One.com A/S | 195.47.247.0/24 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.pub.mailpod11-cph3.one.com | 104.37.34.230 | mx1.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod11-cph3.one.com | 104.37.34.231 | mx2.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod11-cph3.one.com | 104.37.34.232 | mx3.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.pub.mailpod11-cph3.one.com | 104.37.34.233 | mx4.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| Policy | Record (_dmarc.4water.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| 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 |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 24F573980561755185B794745411B05D… |
| SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 24F573980561755185B794745411B05D… |
| SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 24F573980561755185B794745411B05D… |
| SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 24F573980561755185B794745411B05D… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101201 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 00:35:03 shown | 918ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-01 01:30:42 | 465ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-18 01:39:19 | 781ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-10 23:57:19 | 804ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-03 21:17:43 | 615ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-13 02:56:12 | 989ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-07 21:47:28 | 4965ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-29 13:25:31 | 868ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-13 03:13:13 | 798ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-08 16:55:39 | 8724ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-23 13:52:58 | 3000ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-21 17:09:34 | 1176ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 02:41:48 | 2430ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-19 23:11:09 | 3032ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-16 12:48:08 | 821ms | 2 NS 1 A 4 MX | 🔒 Secure |