teltrens.dk is a .dk domain served by 2 nameservers (terin.ns.cloudflare.com, vida.ns.cloudflare.com). It was registered on 25 September 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.15.210 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by lyra.webstream.dk. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.15.210 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.164.62 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | lyra.webstream.dk | 86.58.174.78 | lyra.webstream.dk | AS47292 Sentia Denmark A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3037::6815:fd2 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::ac43:a43e | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.15.210,172.67.164.62 ech=AEX+DQBBDQAgACC6vV48PVd+UDxgaFnv7a6nktiHJb+rNIZ/AbvhT9CucQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3037::6815:fd2,2606:4700:3037::ac43:a43e |
| TXT Record |
|---|
| google-site-verification=4Vsrj1XcN8xpEH2oaBUmTGpONNAQbjL6C_qi4ZgRqNY |
| Hosted by Webstream ApS - http://webstream.dk |
| www | 104.21.15.210 172.67.164.62 2606:4700:3037::6815:fd2 2606:4700:3037::ac43:a43e (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network teltrens.dk: 104.21.15.210 172.67.164.62 2606:4700:3037::6815:fd2 2606:4700:3037::ac43:a43e (AS13335) www.teltrens.dk: 104.21.15.210 172.67.164.62 2606:4700:3037::6815:fd2 2606:4700:3037::ac43:a43e (AS13335) |
| Wildcard | No |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2415378587 |
| Primary NS (MNAME) | terin.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2003-09-25 |
| Expires | 2027-09-30 (348d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-24 06:31:15 shown | 866ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-19 09:46:26 | 1775ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-11 04:25:01 | 2427ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-04 04:18:22 | 803ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-25 13:33:48 | 755ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-22 00:23:41 | 16941ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-04 12:03:52 | 910ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-26 04:42:53 | 932ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-25 08:03:03 | 2454ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-18 05:18:04 | 24443ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-18 03:47:41 | 25400ms | 2 NS 2 A 1 MX | 🔓 Insecure |