tbsas.dk is a .dk domain served by 2 nameservers (ns1.dnsserver.dk, ns2.dnsserver.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 193.8.37.84 is hosted by Norlys Telco A/S (AS3308) in Denmark. Mail is handled by mx1-dk.centerasecurity.dk, mx2-dk.centerasecurity.dk. 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 |
|---|---|---|---|---|---|---|---|
| 193.8.37.84 | 700s | — | AS3308 | Norlys Telco A/S | 193.8.36.0/23 | 🇩🇰 Denmark | Ølstykke |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.56 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| v=spf1 include:spf.protection.outlook.com include:_spf.centerasecurity.dk include:_spf-hosting.eg.dk ip4:193.8.36.0/22 -all |
| Policy | Record (tbsas.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:_spf.centerasecurity.dk include:_spf-hosting.eg.dk ip4:193.8.36.0/22 -all |
| Policy | Record (_dmarc.tbsas.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:dmarc@tbsas.dk; |
| www | 193.8.37.84 (AS3308) (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 |
DNS lookups: 3/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx2-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx2-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026011201 |
| Primary NS (MNAME) | ns1.dnsserver.dk |
| Responsible (RNAME) | hostmaster@curanet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-22 08:28:49 | 536ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-23 18:34:37 | 611ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-25 20:05:18 shown | 725ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-02 13:08:42 | 621ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-24 13:55:18 | 1310ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-18 03:49:43 | 1610ms | 2 NS 1 A 2 MX | 🔒 Secure |