jzimmer.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 77.111.240.184 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod8-cph3.one.com, mx2.pub.mailpod8-cph3.one.com and 1 more. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 77.111.240.184 | 3600s | webcluster57.webpod11-cph3.one.com | AS51468 | One.com A/S | 77.111.240.0/22 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.pub.mailpod8-cph3.one.com | 185.164.14.102 | mx1.pub.mailpod8-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod8-cph3.one.com | 185.164.14.103 | mx2.pub.mailpod8-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod8-cph3.one.com | 185.164.14.104 | mx3.pub.mailpod8-cph3.one.com | AS51468 One.com A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 77.111.240.184 |
| 🔶 Autoconfig | 77.111.240.184 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:102:80c2:6eea:24d:9c09 | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| v=spf1 include:_custspf.one.com ~all |
| Policy | Record (jzimmer.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_custspf.one.com ~all |
| Policy | Record (_dmarc.jzimmer.dk) |
|---|---|
| p=reject | v=DMARC1;p=reject;rua=mailto:9c6a2ee818@rua.easydmarc.eu;ruf=mailto:9c6a2ee818@ruf.easydmarc.eu;fo=1 |
| Check | Result |
|---|---|
| Status | 🔒 Enforce |
| TXT record (_mta-sts) | ✓ Found |
| HTTPS policy | ✓ Valid |
| Mode | enforce |
| Policy ID | 20240109T113906 |
| max_age | 31449600s |
| Policy MX | mx1.pub.mailpod8-cph3.one.com, mx2.pub.mailpod8-cph3.one.com, mx3.pub.mailpod8-cph3.one.com |
| Status | Report address (rua) |
|---|---|
| ✓ Enabled | mailto:9c6a2ee818@tls.easydmarc.com |
| www | 77.111.240.184 2a02:2350:5:102:80c2:6eea:24d:9c09 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network jzimmer.dk: 77.111.240.184 2a02:2350:5:102:80c2:6eea:24d:9c09 (AS51468) www.jzimmer.dk: 77.111.240.184 2a02:2350:5:102:80c2:6eea:24d:9c09 (AS51468) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod8-cph3.one.com | DANE-EE · SPKI · SHA-256 | BF2BAC81D64CD548F2920A7E0ADF7907… |
| SMTP _25._tcp.mx2.pub.mailpod8-cph3.one.com | DANE-EE · SPKI · SHA-256 | BF2BAC81D64CD548F2920A7E0ADF7907… |
| SMTP _25._tcp.mx3.pub.mailpod8-cph3.one.com | DANE-EE · SPKI · SHA-256 | BF2BAC81D64CD548F2920A7E0ADF7907… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026081705 |
| 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 |
|---|---|---|---|
| 2026-10-17 15:49:09 | 1550ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-16 15:03:46 | 619ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-23 19:34:14 | 692ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-02 12:28:02 shown | 838ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-27 12:35:37 | 9605ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-18 16:18:33 | 1336ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-27 11:05:23 | 9842ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-25 13:23:53 | 729ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-18 08:27:44 | 1083ms | 2 NS 1 A 3 MX | 🔒 Secure |