oneserver.dk is a .dk domain served by 2 nameservers (danica.ns.cloudflare.com, sri.ns.cloudflare.com). It was registered on 17 December 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 2.106.187.13 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by mail.brygger.dk, minnesota.skynet365.net. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 2.106.187.13 | 300s | 2-106-187-13-cable.dk.customer.tdc.net | AS3292 | TDC Holding A/S | 2.104.0.0/14 | 🇩🇰 Denmark | Bagsværd |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mail.brygger.dk | 172.232.141.241 | mail.brygger.dk | AS63949 Akamai Connected Cloud |
| 20 | 300s | minnesota.skynet365.net | 2.106.187.13 | 2-106-187-13-cable.dk.customer.tdc.net | AS3292 TDC Holding A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | mail.brygger.dk → 172.232.141.241 |
| 🔶 Autoconfig | mail.brygger.dk → 172.232.141.241 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 1 | 443 | mail.brygger.dk |
| TXT Record |
|---|
| v=spf1 ip4:172.232.141.241 -all |
| Policy | Record (oneserver.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:172.232.141.241 -all |
| Policy | Record (_dmarc.oneserver.dk) |
|---|---|
| p=reject | v=DMARC1;p=reject;rua=mailto:dmarc@oneserver.dk;ruf=mailto:dmarc@oneserver.dk;adkim=s;aspf=s |
| www CNAME | oneserver.dk (all on oneserver.dk) → 2.106.187.13 (AS3292) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~2048 bit |
| dkim | — | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 0/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.brygger.dk | DANE-EE · SPKI · SHA-256 | 3391386CB0EB79092A16769A3F3D46AF… |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2417478243 |
| Primary NS (MNAME) | danica.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2007-12-17 |
| Expires | 2026-12-31 (75d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 23:11:56 shown | 581ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-10-02 08:43:58 | 587ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-10-01 08:40:50 | 9563ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-30 10:02:50 | 745ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-23 13:37:42 | 825ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-14 01:20:39 | 874ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-28 04:51:37 | 830ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-25 18:26:12 | 1341ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-24 13:56:37 | 2961ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-20 06:01:22 | 6111ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-07 15:43:49 | 1531ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-16 19:43:29 | 1366ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-29 21:23:04 | 1093ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-26 05:17:54 | 763ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-20 04:48:46 | 856ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-18 06:49:11 | 1147ms | 2 NS 1 A 2 MX | 🔓 Insecure |