callcenteronline.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 5 January 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.241.82 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 |
|---|---|---|---|---|---|---|---|
| 77.111.241.82 | 3600s | webcluster1.wordpresspod2-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 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:104:96:c4f9:39da:3940 | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| www | 77.111.241.82 2a02:2350:5:104:96:c4f9:39da:3940 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network callcenteronline.dk: 77.111.241.82 2a02:2350:5:104:96:c4f9:39da:3940 (AS51468) www.callcenteronline.dk: 77.111.241.82 2a02:2350:5:104:96:c4f9:39da:3940 (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 | 2026101301 |
| 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 | 2023-01-05 |
| Expires | 2027-01-04 (79d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 10:04:47 shown | 1082ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-10 05:17:30 | 1441ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-08 22:10:36 | 1015ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-30 15:52:44 | 809ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-20 13:44:36 | 649ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-11 19:10:42 | 678ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-28 04:38:48 | 1155ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-27 01:00:49 | 615ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-28 00:56:21 | 1437ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-16 18:55:25 | 664ms | 2 NS 1 A 4 MX | 🔒 Secure |