tstech.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 11 November 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.107 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by tstech-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 |
|---|---|---|---|---|---|---|---|
| 185.21.40.107 | 3600s | vm1057.enterprisecloud.nu | AS48854 | team.blue Denmark A/S | 185.21.40.0/22 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.152 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 0 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms30289602 |
| v=spf1 include:spf.protection.outlook.com ip4:78.157.100.37 ip4:78.157.100.38 ip4:78.157.100.36 ip4:78.157.102.108 ip4:37.128.220.122 -all |
| Policy | Record (tstech.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com ip4:78.157.100.37 ip4:78.157.100.38 ip4:78.157.100.36 ip4:78.157.102.108 ip4:37.128.220.122 -all |
| Policy | Record (_dmarc.tstech.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:ivafnbhg@ag.dmarcian.com; ruf=mailto:ivafnbhg@fr.dmarcian.com; fo=1 |
| www | 185.21.40.107 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector2 | selector2-tstech-dk._domainkey.tstechesbjerg.onmicrosoft.com | 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| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.tstech.dk | OpMKaNlKDZukIjDWVFDPkVaIqYv-DyO9ggC66lWr3U0 |
| TXT | _acme-challenge.tstech.dk | w63GFkO00gGbQPPXpqH2K3I9vZ1P_DNt7oloXgPIqA4 |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026100901 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2007-11-11 |
| Expires | 2029-11-30 (1140d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-10 08:23:28 shown | 1567ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-09 07:56:13 | 1208ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 01:23:58 | 890ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 00:49:15 | 1116ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-14 15:46:01 | 1282ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-07 14:09:40 | 1560ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-01 08:16:24 | 736ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 18:31:01 | 2809ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-20 03:04:25 | 6995ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-19 01:00:20 | 35906ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-09 16:33:40 | 1420ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-11 05:17:32 | 2138ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-02 20:22:05 | 866ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-18 00:06:18 | 1611ms | 2 NS 1 A 1 MX | 🔒 Secure |