c4bar.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 26 May 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.240.150 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 not DNSSEC-signed, has no 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 |
|---|---|---|---|---|---|---|---|
| 77.111.240.150 | 3600s | webcluster23.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.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 |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 77.111.240.150 |
| 🔶 Autoconfig | 77.111.240.150 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:102:b7:9aaa:9bfc:95af | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| www | 77.111.240.150 2a02:2350:5:102:b7:9aaa:9bfc:95af (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network c4bar.dk: 77.111.240.150 2a02:2350:5:102:b7:9aaa:9bfc:95af (AS51468) www.c4bar.dk: 77.111.240.150 2a02:2350:5:102:b7:9aaa:9bfc:95af (AS51468) |
| Wildcard | Yes: any name under the zone resolves |
| 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 | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026081901 |
| 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 | 2020-05-26 |
| Expires | 2027-05-31 (225d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 21:27:21 | 531ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-10-13 19:21:58 | 571ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-09-29 16:24:58 | 650ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-09-26 11:13:38 | 632ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-09-14 01:42:36 shown | 9662ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-08-19 22:54:42 | 977ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-08-14 08:11:10 | 1006ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-06-24 16:48:51 | 605ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-06-23 05:00:43 | 1006ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-22 18:16:04 | 3126ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-06-22 14:52:53 | 1179ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 14:50:39 | 685ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-06-16 18:50:39 | 525ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-06-16 18:41:05 | 1160ms | 2 NS 1 A 4 MX | 🔓 Insecure |