brief.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 11 October 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 193.32.65.70 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by scanner01.resennet.dk, scanner02.resennet.dk and 1 more. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 193.32.65.70 | 3600s | wp01.resennet.dk | AS3292 | TDC Holding A/S | 193.32.65.0/24 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | scanner01.resennet.dk | 193.32.65.29 | scanner01.resennet.dk | AS3292 TDC Holding A/S |
| 20 | 3600s | scanner02.resennet.dk | 193.32.65.29 | scanner01.resennet.dk | AS3292 TDC Holding A/S |
| 30 | 3600s | scanner03.resennet.dk | 193.32.65.29 | scanner01.resennet.dk | AS3292 TDC Holding A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.40 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 0 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms34465952 |
| v=spf1 include:_spf.resennet.dk include:spf.protection.outlook.com -all |
| Policy | Record (brief.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.resennet.dk include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.brief.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| www | 193.32.65.70 (AS3292) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-brief-dk._domainkey.briefdk.q-v1.dkim.mail.microsoft | RSA · ~2048 bit |
| selector2 | selector2-brief-dk._domainkey.briefdk.q-v1.dkim.mail.microsoft | 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: 3/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026022302 |
| Primary NS (MNAME) | ns1.curanet.dk |
| Responsible (RNAME) | hostmaster@curanet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | DANDOMAIN A/S |
| Registered | 2001-10-11 |
| Expires | 2026-12-31 (75d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 04:37:30 | 924ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-11 05:45:11 | 1052ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-04 02:51:36 | 1051ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 15:31:10 | 675ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-26 20:53:11 | 628ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-02 01:36:05 | 1031ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-02 01:27:16 shown | 605ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-16 16:55:03 | 503ms | 2 NS 1 A 3 MX | 🔒 Secure |