trefadder.dk is a .dk domain served by 2 nameservers (ns.datacenter.no, ns2.datacenter.no). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.91.67.253 is hosted by Blix Solutions AS (AS50304) in Norway. Mail is handled by trefadder-dk.mail.protection.outlook.com. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns.datacenter.no | 185.7.60.115 | — | AS39783 Webhuset AS |
| ns2.datacenter.no | 91.192.220.132 | — | AS39783 Webhuset AS |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 185.91.67.253 | 600s | teodor-osl.servebolt.cloud | AS50304 | Blix Solutions AS | 185.91.64.0/22 | 🇳🇴 Norway | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.24 |
| 🔶 Autoconfig | mailconfig.webhuset.no → 185.7.60.107 |
| TXT Record |
|---|
| brevo-code:0359af793edc3130a5d0f7e13f8b952b |
| MS=ms89853375 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (trefadder.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.trefadder.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; pct=100; adkim=r; aspf=r; fo=1; rua=mailto:rua@dmarc.brevo.com |
| www | 185.91.67.253 (AS50304) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Selector | CNAME | Key |
|---|---|---|
| — | RSA · ~1024 bit below 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: 1/10 · policy: -all
No problems found| 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 | 1747667336 |
| Primary NS (MNAME) | ns.datacenter.no |
| Responsible (RNAME) | hostmaster@trefadder.dk |
| Refresh | 16384s |
| Retry | 2048s |
| Expire | 1048576s |
| Minimum (neg-cache TTL) | 2560s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 21:45:59 shown | 842ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-29 15:29:44 | 1204ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-26 15:00:29 | 3223ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-26 15:43:31 | 1078ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-02 18:08:18 | 1089ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 16:31:14 | 980ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-19 23:31:30 | 1081ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 11:55:03 | 1650ms | 2 NS 1 A 1 MX | 🔓 Insecure |