unistrut.dk is a .dk domain served by 2 nameservers (blair.ns.cloudflare.com, frank.ns.cloudflare.com). It was registered on 11 February 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.88.68 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail1.unistrut.dk. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.88.68 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.173.163 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mail1.unistrut.dk | — | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3035::6815:5844 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::ac43:ada3 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.88.68,172.67.173.163 ech=AEX+DQBBugAgACCn1R8fSm59KslxYzTc8XhQZFLqU5RLYGsYztQqgHu2WAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:5844,2606:4700:3035::ac43:ada3 |
| www | NXDOMAIN |
| www vs bare domain | www does not resolve unistrut.dk: 104.21.88.68 172.67.173.163 2606:4700:3035::6815:5844 2606:4700:3035::ac43:ada3 (AS13335) (all like this)www.unistrut.dk: no address |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.unistrut.dk | 59aqfP23WA9v8J7Au8p70_bgXGkbYKPKzqFP8XiFBqs |
| TXT | _acme-challenge.unistrut.dk | zjDK6fgcMnSMR1uNVHiPuNe5aD-dvX4bLKi8xm_u9iE |
| 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 | 2415663143 |
| Primary NS (MNAME) | blair.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 | 1999-02-11 |
| Expires | 2027-03-31 (156d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-23 10:33:30 | 586ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-22 03:20:13 | 627ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-06 11:41:22 | 559ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-05 10:05:40 | 789ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-26 09:01:11 | 946ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-25 08:52:49 | 705ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-23 18:48:39 shown | 817ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-13 14:13:32 | 792ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-10 17:30:00 | 2079ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-03 15:18:00 | 1378ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-31 01:47:19 | 1850ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-29 23:20:52 | 672ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-24 13:32:42 | 4610ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-07 03:43:23 | 1298ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-26 14:48:01 | 976ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-24 20:58:52 | 2556ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-20 16:38:55 | 4552ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 22:15:45 | 1180ms | 2 NS 2 A 1 MX | 🔓 Insecure |