teleteknik.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.41.215 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by teleteknik-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no 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 |
|---|---|---|---|---|---|---|---|
| 185.21.41.215 | 3600s | prolinux4.curanet.dk | AS48854 | team.blue Denmark A/S | 185.21.40.0/22 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.152 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 0 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms81106402 |
| v=spf1 include:spf.protection.outlook.com ip4:92.246.15.162 ip4:92.246.15.163 ip4:92.246.15.166 ip4:46.228.130.215 ip4:46.228.130.216 ip4:92.246.15.165 include:smtp.emnet.dk -all |
| Policy | Record (teleteknik.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com ip4:92.246.15.162 ip4:92.246.15.163 ip4:92.246.15.166 ip4:46.228.130.215 ip4:46.228.130.216 ip4:92.246.15.165 include:smtp.emnet.dk -all |
| www CNAME | teleteknik.dk (all on teleteknik.dk) → 185.21.41.215 (AS48854) |
| 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 |
DNS lookups: 2/10 · policy: -all
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101101 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 13:52:57 shown | 1232ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-09 09:20:20 | 1083ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 07:54:15 | 632ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-11 17:05:01 | 1478ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-04 13:36:54 | 923ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-12 08:43:11 | 1230ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-17 23:22:29 | 1281ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-15 13:33:17 | 1612ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-29 19:47:47 | 704ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 03:31:50 | 878ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 18:26:53 | 9399ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 17:36:21 | 3249ms | 2 NS 1 A 1 MX | 🔒 Secure |