cerocms.dk

📜 Historical scan 2026-09-03 12:54:10  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cerocms.dk is a .dk domain served by 2 nameservers (ernest.ns.cloudflare.com, summer.ns.cloudflare.com). It was registered on 4 December 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.61.91 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, publishes a 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   31ms
NameserverIP addressesPTRASN / ISP
ernest.ns.cloudflare.com 108.162.193.164
172.64.33.164
173.245.59.164
2606:4700:58::adf5:3ba4
2803:f800:50::6ca2:c1a4
2a06:98c1:50::ac40:21a4		 ernest.ns.cloudflare.com
ernest.ns.cloudflare.com
ernest.ns.cloudflare.com
ernest.ns.cloudflare.com
ernest.ns.cloudflare.com
ernest.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
summer.ns.cloudflare.com 108.162.194.9
162.159.38.9
172.64.34.9
2606:4700:50::a29f:2609
2803:f800:50::6ca2:c209
2a06:98c1:50::ac40:2209		 summer.ns.cloudflare.com
summer.ns.cloudflare.com
summer.ns.cloudflare.com
summer.ns.cloudflare.com
summer.ns.cloudflare.com
summer.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.

🌍 A Records#

2 records   31ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.61.91 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.208.146 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

📧
No MX records found

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover104.21.61.91
🔶 Autoconfig104.21.61.91

🔷 AAAA Records (IPv6)#

2 records   25ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3034::6815:3d5b 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3034::ac43:d092 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   28ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.61.91,172.67.208.146 ech=AEX+DQBBpAAgACCveGIwlrgR4TlDzUwDyIX/dymgYZbQnSxjCdt9Rxf6JQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:3d5b,2606:4700:3034::ac43:d092

🔌 SRV Records#

1 records   66ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 0 443 cpanelemaildiscovery.cpanel.net

📝 TXT Records#

1 records   142ms
TXT Record
v=spf1 +a +mx +ip4:178.20.216.107 include:spf.chosting.dk ~all

✉️ SPF#

PolicyRecord (cerocms.dk)
~all (soft fail) v=spf1 +a +mx +ip4:178.20.216.107 include:spf.chosting.dk ~all

📨 DMARC#

PolicyRecord (_dmarc.cerocms.dk)
p=none (monitor only) v=DMARC1; p=none;

📬 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 2026-10-08 05:08:11
www104.21.61.91 172.67.208.146 2606:4700:3034::6815:3d5b 2606:4700:3034::ac43:d092 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

✍️ DKIM keys#

1 found
SelectorCNAMEKey
default — 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: 5/10 · policy: ~all

No problems found

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.cerocms.dk 6_Z1mWPgcz6B80V61KCMOHKroTvymruYmLOOPrcBF94
TXT _acme-challenge.cerocms.dk XaEY-fTP-jYCfqUnHGx-jz86BU1xKcj23rpLAFdT8_M
TXT _acme-challenge.cerocms.dk ofRKa6IlguBkgSG7rJ3CwVw62HWSFV5P1KKDhyqJvXs

🔗 TLSA / DANE#

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

🔐 DNSSEC#

97ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2413841290
Primary NS (MNAME)ernest.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-04 04:18:48
FieldValue
RegistrarFIONIA IT ApS
Registered2024-12-04
Expires2026-12-03 (45d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
31ms
A
31ms
MX
35ms
AAAA
25ms
TXT
142ms
CAA
30ms
HTTPS
28ms
TLSA
44ms
SOA
0ms
MTA-STS
46ms
DNSSEC
97ms
SRV
66ms
Total
1153ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-04 03:41:35 426ms 2 NS 2 A 0 MX 🔓 Insecure
2026-10-02 03:40:03 2272ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-30 03:20:07 1916ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-28 02:38:04 1296ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-26 02:13:48 616ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-25 01:56:02 1117ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-24 01:34:47 665ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-19 22:31:52 666ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-17 03:52:07 1370ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-10 03:00:12 9961ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-03 12:54:10 shown 1153ms 2 NS 2 A 0 MX 🔓 Insecure
2026-08-28 10:41:17 717ms 2 NS 2 A 0 MX 🔓 Insecure
2026-07-15 13:55:57 840ms 2 NS 2 A 0 MX 🔓 Insecure
2026-06-20 07:35:53 496ms 2 NS 2 A 0 MX 🔓 Insecure
2026-06-19 20:16:22 13505ms 2 NS 2 A 0 MX 🔓 Insecure
2026-06-16 20:10:37 425ms 2 NS 2 A 0 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone