cmcs.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 30 June 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.188.21.11 is hosted by Sinal A/S (AS39642) in Denmark. Mail is handled by privatemail.cmcs.dk. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 185.188.21.11 | 3600s | — | AS39642 | Sinal A/S | 185.188.20.0/22 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 1 | 3600s | privatemail.cmcs.dk | 2a01:488:66:1000:5ccc:478:0:1 92.204.4.120 |
privatemail.cmcs.dk privatemail.cmcs.dk |
AS20773 Host Europe GmbH AS8972 Host Europe GmbH |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.56 |
| 🔶 Autoconfig | web8.cmcs.dk → 185.188.21.11 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _imaps._tcp | 1 | 1 | 993 | privatemail.cmcs.dk |
| _sipfederationtls._tcp | 0 | 1 | 5061 | sipfed.online.lync.com |
| _xmpp-server._tcp | 0 | 10 | 5269 | sip.cmcs.dk |
| TXT Record |
|---|
| _globalsign-domain-verification=o7N5gv1-4vGnAdREMlBjzId5Vem7mUR9efEySgkROj |
| google-site-verification=OKn1Oact5lIi2XJp3Je5eSBxltox7UCGjrMhClHcUKQ |
| MS=ms93447589 |
| v=spf1 include:spf.protection.outlook.com ip6:2a01:488:66:1000:5ccc:478:0:1 ip4:92.204.4.120 ip4:185.188.23.243 ip4:185.188.21.11 -all |
| Policy | Record (cmcs.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com ip6:2a01:488:66:1000:5ccc:478:0:1 ip4:92.204.4.120 ip4:185.188.23.243 ip4:185.188.21.11 -all |
| Policy | Record (_dmarc.cmcs.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc@cmcs.dk; ruf=mailto:dmarc@cmcs.dk; rf=afrf; sp=reject; fo=1; pct=100; ri=86400; adkim=s; aspf=s |
| www CNAME | web8.cmcs.dk (all on cmcs.dk) → 185.188.21.11 (AS39642) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| — | 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| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.cmcs.dk | web8.cmcs.dk |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.privatemail.cmcs.dk | DANE-EE · Full cert · SHA-256 | 381D8C78440F6A495FB46927E6F47C2C… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026091902 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | ONE.COM A/S |
| Registered | 2009-06-30 |
| Expires | 2027-06-30 (255d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 12:08:11 | 1534ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-14 10:44:48 | 893ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-12 03:04:23 | 1808ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-06 16:19:15 | 2816ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-05 11:45:44 | 1689ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-04 11:30:28 | 721ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-03 11:30:04 | 988ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-02 11:29:33 | 1089ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 11:27:21 | 2263ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 11:23:35 | 1308ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-29 11:21:39 | 916ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-28 11:10:50 | 1035ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-27 11:04:59 | 864ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 10:58:38 | 1761ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 10:53:30 | 717ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 14:17:44 | 1020ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 13:35:23 | 877ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-19 22:39:05 shown | 1075ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-14 20:56:25 | 1374ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-13 03:41:24 | 1435ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-06 02:52:24 | 967ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-31 02:56:04 | 2821ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-29 16:00:21 | 730ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 23:24:29 | 676ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 22:42:36 | 1234ms | 2 NS 1 A 1 MX | 🔒 Secure |