instatech.dk is a .dk domain served by 2 nameservers (alfred.ns.cloudflare.com, isla.ns.cloudflare.com). It was registered on 10 June 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.30 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx.simply.com. The zone is DNSSEC-signed but currently fails validation, 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 |
|---|---|---|---|---|---|---|---|
| 185.21.40.30 | 300s | vm1330.enterprisecloud.nu | AS48854 | team.blue Denmark A/S | 185.21.40.0/22 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mx.simply.com | 94.231.106.20 | mx.simply.com | AS48854 team.blue Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔶 Autoconfig | maildiscover.simply.com → 94.231.108.222 |
| TXT Record |
|---|
| google-site-verification=NnaFpX8zXBaWRiHt260vPuqJia4Ii_cfMnjSDLGZHPQ |
| v=spf1 include:spf.simply.com include:web.shared.mysmtp.com -all |
| Policy | Record (instatech.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.simply.com include:web.shared.mysmtp.com -all |
| Policy | Record (_dmarc.instatech.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com; |
| www | 185.21.40.30 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 5/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | A9D603AF4D7ED6B9246B4B68500CD6F2… |
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | 97A3BA009F39C761BFFB6574340E8138… |
| Check | Result |
|---|---|
| Validation Status | ⚠️ Bogus |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | broken trust chain resolving 'instatech.dk/A/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2406813799 |
| Primary NS (MNAME) | alfred.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 | 2020-06-10 |
| Expires | 2027-06-30 (256d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 19:50:48 | 704ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-06 19:36:44 | 1420ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-27 17:40:28 | 586ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-17 10:53:08 | 9504ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-12 03:59:06 | 2868ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-08 12:29:46 | 907ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-02 23:44:35 | 754ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-19 23:36:22 shown | 2388ms | 2 NS 1 A 1 MX | ⚠️ Bogus |
| 2026-06-18 11:45:46 | 2991ms | 2 NS 1 A 1 MX | ⚠️ Bogus |
| 2026-06-17 15:18:06 | 275ms | 0 NS 0 A 0 MX | ❓ Unknown |