tekniskbrandisolering.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.103.172 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by tekniskbrandisolering-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 94.231.103.172 | 3600s | linux154.unoeuro.com | AS48854 | team.blue Denmark A/S | 94.231.96.0/20 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.136 |
| 🔶 Autoconfig | 94.231.103.172 |
| TXT Record |
|---|
| MS=ms57621117 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (tekniskbrandisolering.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.tekniskbrandisolering.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc@tekniskbrandisolering.dk |
| www | 94.231.103.172 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network tekniskbrandisolering.dk: 94.231.103.172 (AS48854) www.tekniskbrandisolering.dk: 94.231.103.172 (AS48854) |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-tekniskbrandisolering-dk._domainkey.tekniskbrandisolering.r-v1.dkim.mail.microsoft | RSA · ~2048 bit |
| selector2 | selector2-tekniskbrandisolering-dk._domainkey.tekniskbrandisolering.r-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: 1/10 · 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 | 2026101200 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 18:27:09 shown | 1259ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-09 11:47:06 | 1079ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-03 07:22:17 | 1001ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 07:18:16 | 609ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 02:48:58 | 871ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-10 08:36:30 | 798ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 16:45:37 | 946ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 00:04:20 | 1009ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 22:40:09 | 977ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 12:06:22 | 1600ms | 3 NS 1 A 1 MX | 🔒 Secure |