colliers.dk is a .dk domain served by 2 nameservers (brynne.ns.cloudflare.com, louis.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.25.15 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx0a-0025eb03.pphosted.com, mx0b-0025eb03.pphosted.com. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.25.15 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.221.144 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mx0a-0025eb03.pphosted.com | 148.163.150.28 | mx0a-0025eb03.pphosted.com | AS26211 Proofpoint, Inc. |
| 10 | 300s | mx0b-0025eb03.pphosted.com | 148.163.153.35 | mx0b-0025eb03.pphosted.com | AS22843 Proofpoint, Inc. |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::6815:190f | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::ac43:dd90 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.25.15,172.67.221.144 ech=AEX+DQBBNwAgACANG785NbYxf2vAoHiUugO7PDLchnWNz2f+95epg2DJewAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:190f,2606:4700:3036::ac43:dd90 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 0 | 443 | mail.colliers.dk |
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms77225888 |
| v=spf1 include:spf.web.mindworking.dk ip4:194.182.139.154 include:spf.comendosystems.com ~all |
| Policy | Record (colliers.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:spf.web.mindworking.dk ip4:194.182.139.154 include:spf.comendosystems.com ~all |
| Policy | Record (_dmarc.colliers.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com |
| www | 104.21.25.15 172.67.221.144 2606:4700:3030::6815:190f 2606:4700:3036::ac43:dd90 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network colliers.dk: 104.21.25.15 172.67.221.144 2606:4700:3030::6815:190f 2606:4700:3036::ac43:dd90 (AS13335) www.colliers.dk: 104.21.25.15 172.67.221.144 2606:4700:3030::6815:190f 2606:4700:3036::ac43:dd90 (AS13335) |
| Wildcard | No |
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 | 2414949216 |
| Primary NS (MNAME) | brynne.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 19:17:39 shown | 1047ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-18 17:09:27 | 2004ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-11 14:32:13 | 1621ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-18 20:54:39 | 3451ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-22 18:34:50 | 1395ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-21 21:00:06 | 1096ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-16 21:45:41 | 1182ms | 2 NS 1 A 2 MX | 🔒 Secure |