ecs-group.dk is a .dk domain served by 2 nameservers (henrik.ns.cloudflare.com, ursula.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.55.117 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by ecs-group-dk-mail.complea-hosting.dk. The zone is not DNSSEC-signed, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 104.21.55.117 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.147.253 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | ecs-group-dk-mail.complea-hosting.dk | 185.163.185.182 185.163.185.186 |
mxrelay01.complea-hosting.dk mxrelay02.complea-hosting.dk |
AS206157 Complea A/S AS206157 Complea A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.21.55.117 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::6815:3775 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::ac43:93fd | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.55.117,172.67.147.253 ech=AEX+DQBBPwAgACCiUxItAIWJ5JF572kKNdXvt/9sw6aIQLxOJt5gPI1rHgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:3775,2606:4700:3037::ac43:93fd |
| TXT Record |
|---|
| mandrill_verify.s4JoRqIPJEraCBrSEARgUg |
| MS=ms88401973 |
| v=spf1 ip4:82.29.182.125 include:spf.protection.outlook.com include:spf.complea-hosting.dk -all |
| Policy | Record (ecs-group.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:82.29.182.125 include:spf.protection.outlook.com include:spf.complea-hosting.dk -all |
| Policy | Record (_dmarc.ecs-group.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| www | 104.21.55.117 172.67.147.253 2606:4700:3031::6815:3775 2606:4700:3037::ac43:93fd (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network ecs-group.dk: 104.21.55.117 172.67.147.253 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335) www.ecs-group.dk: 104.21.55.117 172.67.147.253 2606:4700:3031::6815:3775 2606:4700:3037::ac43:93fd (AS13335) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u114990284.wl035.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u114990284.wl035.sendgrid.net | 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: 4/10 · 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 | 2415836673 |
| Primary NS (MNAME) | henrik.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-26 14:10:49 shown | 657ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-24 13:47:17 | 672ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-23 13:10:24 | 1764ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-04 16:15:14 | 1246ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-09 12:18:43 | 1208ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-01 23:25:18 | 1662ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 05:50:48 | 496ms | 2 NS 2 A 1 MX | 🔓 Insecure |