zarzu.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 9 June 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.213.33 is hosted by One.com A/S (AS51468) 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 is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 46.30.213.33 | 3600s | webcluster2.webpod12-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.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 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:10a:800a:4043:fdb4:fded | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| www | 46.30.213.33 2a02:2350:5:10a:800a:4043:fdb4:fded (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network zarzu.dk: 46.30.213.33 2a02:2350:5:10a:800a:4043:fdb4:fded (AS51468) www.zarzu.dk: 46.30.213.33 2a02:2350:5:10a:800a:4043:fdb4:fded (AS51468) |
| 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 | 2026101001 |
| 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 | 2012-06-09 |
| Expires | 2027-06-30 (256d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-10 22:38:41 shown | 563ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-10 03:04:51 | 804ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-26 03:42:53 | 702ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-19 01:47:41 | 1003ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-12 00:03:05 | 3851ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-06 17:04:00 | 1286ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-08 23:20:29 | 8781ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-06 22:23:57 | 16801ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-05 07:35:28 | 681ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-04 07:34:14 | 1489ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-03 14:50:30 | 390ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-27 15:19:25 | 2088ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-21 17:51:18 | 652ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-21 04:43:13 | 753ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 22:34:58 | 962ms | 2 NS 1 A 4 MX | 🔒 Secure |