cmcs.dk

📜 Historical scan 2026-09-23 13:35:23  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

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.

🖥️ Nameservers#

2 records   39ms
NameserverIP addressesPTRASN / ISP
ns01.one.com 195.206.121.10
2001:67c:28cc::10		 ns01.one.com
ns01.one.com		 AS197495 One.com A/S
AS197495 One.com A/S
ns02.one.com 185.10.11.10
2001:67c:3c0::10		 ns02.one.com
ns02.one.com		 AS51468 One.com A/S
AS51468 One.com A/S

🌍 A Records#

1 records   38ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.188.21.11 3600s — AS39642 Sinal A/S 185.188.20.0/22 🇩🇰 Denmark —

📧 MX Records#

1 records   37ms
PriorityTTLMail ServerIP addressesPTRASN
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

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 40.104.116.40
🔶 Autoconfigweb8.cmcs.dk → 185.188.21.11

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

3 records   55ms
ServicePriorityWeightPortTarget
_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 Records#

4 records   162ms
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

✉️ SPF#

PolicyRecord (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

📨 DMARC#

PolicyRecord (_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

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-15 12:08:11
www CNAMEweb8.cmcs.dk (all on cmcs.dk)
www vs bare domainSame network
cmcs.dk: 185.188.21.11 (AS39642)
www.cmcs.dk: 185.188.21.11 (AS39642)
WildcardYes: any name under the zone resolves
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found
SelectorCNAMEKey
mail — 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.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

TypeNameValue
CNAME _acme-challenge.cmcs.dk web8.cmcs.dk

🔗 TLSA / DANE#

1 records   79ms
Service / OwnerTypeCert association
SMTP _25._tcp.privatemail.cmcs.dk DANE-EE · Full cert · SHA-256 381D8C78440F6A495FB46927E6F47C2C…

🔐 DNSSEC#

123ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2026092302
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-05 12:02:47
FieldValue
RegistrarONE.COM A/S
Registered2009-06-30
Expires2027-06-30 (255d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
39ms
A
38ms
MX
37ms
AAAA
31ms
TXT
162ms
CAA
32ms
HTTPS
37ms
TLSA
79ms
SOA
0ms
MTA-STS
62ms
DNSSEC
123ms
SRV
55ms
Total
877ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
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 shown 877ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-19 22:39:05 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
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