cetropolis.dk

📜 Historical scan 2026-06-16 20:10:21  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cetropolis.dk is a .dk domain served by 2 nameservers (houston.ns.cloudflare.com, liv.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.75.224 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.cetropolis.dk, backup-mx.zitcom.dk. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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   36ms
NameserverIP addressesPTRASN / ISP
houston.ns.cloudflare.com — — —
liv.ns.cloudflare.com — — —

🌍 A Records#

2 records   35ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.75.224 — — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.182.109 — — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

2 records   2046ms
PriorityTTLMail ServerIP addressesPTRASN
10 — mail.cetropolis.dk 104.21.75.224
172.67.182.109		 —
—		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
20 — backup-mx.zitcom.dk 46.36.212.34
46.36.212.36
46.36.212.37
46.36.212.38
89.188.78.64
89.188.78.65
89.188.78.66
94.231.106.12		 node4.spamfilter.io
node8.spamfilter.io
node6.spamfilter.io
node7.spamfilter.io
node3.spamfilter.io
node9.spamfilter.io
node10.spamfilter.io
node2.spamfilter.io		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S

🔷 AAAA Records (IPv6)#

2 records   2041ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3033::6815:4be0 — — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3033::ac43:b66d — — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   2046ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.75.224,172.67.182.109 ech=AEX+DQBBFgAgACCwNFLgRRTjCPoQPifC2po/IvrwYwTTzGDqxOmWREutYwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:4be0,2606:4700:3033::ac43:b66d

📝 TXT Records#

📝
No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 07:09:44
www104.21.75.224 172.67.182.109 2606:4700:3030::ac43:b66d 2606:4700:3035::6815:4be0 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

2528ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

2043ms
FieldValue
Serial2406056165
Primary NS (MNAME)houston.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup
📋 WHOIS#

⏱️ Lookup Timing#

NS
36ms
A
35ms
MX
2046ms
AAAA
2041ms
TXT
2116ms
CAA
2048ms
HTTPS
2046ms
TLSA
2077ms
SOA
2043ms
MTA-STS
52ms
DNSSEC
2528ms
SRV
0ms
Total
5115ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-15 07:09:44 975ms 2 NS 2 A 2 MX 🔓 Insecure
2026-10-01 13:31:48 999ms 2 NS 2 A 2 MX 🔓 Insecure
2026-09-30 13:28:29 987ms 2 NS 2 A 2 MX 🔓 Insecure
2026-09-26 20:39:43 770ms 2 NS 2 A 2 MX 🔓 Insecure
2026-09-12 11:59:17 1127ms 2 NS 2 A 2 MX 🔓 Insecure
2026-08-28 09:43:33 1347ms 2 NS 2 A 2 MX 🔓 Insecure
2026-08-17 03:50:16 6998ms 2 NS 2 A 2 MX 🔓 Insecure
2026-08-05 21:16:08 2370ms 2 NS 2 A 2 MX 🔓 Insecure
2026-07-16 01:20:03 1756ms 2 NS 2 A 2 MX 🔓 Insecure
2026-06-28 18:26:17 994ms 2 NS 2 A 2 MX 🔓 Insecure
2026-06-21 11:31:07 1553ms 2 NS 2 A 2 MX 🔓 Insecure
2026-06-16 20:10:21 shown 5115ms 2 NS 2 A 2 MX 🔓 Insecure
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