cool-gray.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 27 March 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.156.189 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx.spamfilter.io. The zone is not DNSSEC-signed, has no 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 |
|---|---|---|---|---|---|---|---|
| 93.191.156.189 | 3600s | linux299.unoeuro.com | AS48854 | team.blue Denmark A/S | 93.191.152.0/21 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.24 |
| TXT Record |
|---|
| lkSHy2fg2dYt1sGjZuIqHLw+Gk4c75iXopf7mSt+UnstPYpsFDz/78NcmrwEVQN2Bz1zKA3AjEOF+DjyzYl0cw== |
| MS=ms79326851 |
| v=spf1 include:spf.protection.outlook.com include:spf.lasertryk.dk -all |
| Policy | Record (cool-gray.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:spf.lasertryk.dk -all |
| www | 93.191.156.189 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 5/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx.spamfilter.io | DANE-EE · SPKI · SHA-256 | 9A25F05F2E322DABDCC9B7A06AB47A2D… |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026071707 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2009-03-27 |
| Expires | 2031-03-31 (1624d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 14:05:39 | 1152ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-08 09:17:21 | 401ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-04 03:30:16 | 1390ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-30 02:59:06 shown | 419ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-25 22:26:33 | 9510ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-20 22:21:17 | 2853ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-27 13:01:50 | 587ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 08:18:29 | 701ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 14:02:29 | 940ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-23 23:47:43 | 916ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-23 05:34:44 | 1666ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-23 00:10:54 | 1166ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-16 22:16:36 | 587ms | 2 NS 1 A 1 MX | 🔒 Secure |