sparta-security.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.103.172 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx1.mymangomail.com. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 94.231.103.172 | 3600s | linux154.unoeuro.com | AS48854 | team.blue Denmark A/S | 94.231.96.0/20 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx1.mymangomail.com | 54.176.194.88 | smtp.mymangomail.com | AS16509 Amazon.com, Inc. |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.mymangomail.com → 54.176.194.88 |
| 🔶 Autoconfig | autoconfig.mymangomail.com → 54.176.194.88 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | maildiscover.simply.com |
| TXT Record |
|---|
| google-site-verification=jjrB5wMdSCZJGgLm9Ay4to3tF8AHxGLAhCoFg03BUpo |
| mail-host-verify=e629192 |
| v=spf1 include:spf.mymangomail.com -all |
| Policy | Record (sparta-security.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.mymangomail.com -all |
| Policy | Record (_dmarc.sparta-security.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; |
| www | 94.231.103.172 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Selector | CNAME | Key |
|---|---|---|
| mail._domainkey.mymangomail.com | RSA · ~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| 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 | 2025122303 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 18:59:00 | 600ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-09 13:32:06 | 974ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-03 03:05:38 | 361ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-03 02:15:33 | 422ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-30 02:00:14 | 539ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-24 18:20:04 | 594ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-24 05:05:18 | 922ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-04 01:17:50 shown | 2555ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-26 17:11:18 | 2798ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-22 19:04:50 | 1196ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 13:36:29 | 2000ms | 3 NS 1 A 1 MX | 🔓 Insecure |