cirku.dk

📜 Historical scan 2026-08-24 15:28:06  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cirku.dk is a .dk domain served by 2 nameservers (ernest.ns.cloudflare.com, melissa.ns.cloudflare.com). It was registered on 16 July 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.4.240 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   46ms
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.
melissa.ns.cloudflare.com 108.162.192.199
172.64.32.199
173.245.58.199
2606:4700:50::adf5:3ac7
2803:f800:50::6ca2:c0c7
2a06:98c1:50::ac40:20c7		 melissa.ns.cloudflare.com
melissa.ns.cloudflare.com
melissa.ns.cloudflare.com
melissa.ns.cloudflare.com
melissa.ns.cloudflare.com
melissa.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   45ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.4.240 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.187.58 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

📧
No MX records found

🔷 AAAA Records (IPv6)#

2 records   46ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3030::6815:4f0 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3030::ac43:bb3a 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   36ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.4.240,172.67.187.58 ech=AEX+DQBBBwAgACCNba8jf478l+kk3w1Lyy4xZIKgrcaFy+HzK35vjN3TRQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:4f0,2606:4700:3030::ac43:bb3a

📝 TXT Records#

1 records   185ms
TXT Record
brevo-code:ec47b67de987293a3ea6ae07f569d3e0

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

PolicyRecord (_dmarc.cirku.dk)
p=none (monitor only) v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.com

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

11 records   40ms
FlagsTagValue
0 issue comodoca.com
0 issue digicert.com; cansignhttpexchanges=yes
0 issue letsencrypt.org
0 issue pki.goog; cansignhttpexchanges=yes
0 issue sectigo.com
0 issue ssl.com
0 issuewild comodoca.com
0 issuewild digicert.com; cansignhttpexchanges=yes
0 issuewild letsencrypt.org
0 issuewild pki.goog; cansignhttpexchanges=yes
0 issuewild ssl.com

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-07 21:07:26
www104.21.4.240 172.67.187.58 2606:4700:3030::6815:4f0 2606:4700:3030::ac43:bb3a (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.cirku.dk A1QFFqO7VOgGF9U9IOXIU07cgG_pUW8NxTn0rDr2KxY
TXT _acme-challenge.cirku.dk NHzR2Oa2UcQmTaynubkclTfcycn7tZIVxBnJCMJ_mP8

🔗 TLSA / DANE#

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

🔐 DNSSEC#

68ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2412967393
Primary NS (MNAME)ernest.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-13 00:37:51
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2025-07-16
Expires2027-07-15 (271d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet
📋 WHOIS#

⏱️ Lookup Timing#

NS
46ms
A
45ms
MX
38ms
AAAA
46ms
TXT
185ms
CAA
40ms
HTTPS
36ms
TLSA
52ms
SOA
0ms
MTA-STS
55ms
DNSSEC
68ms
SRV
66ms
Total
1068ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-07 21:07:26 443ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-30 19:45:10 597ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-26 20:39:00 9515ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-25 18:37:18 764ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-17 22:37:23 2068ms 2 NS 2 A 0 MX 🔓 Insecure
2026-08-25 17:55:53 1000ms 2 NS 2 A 0 MX 🔓 Insecure
2026-08-24 15:28:06 shown 1068ms 2 NS 2 A 0 MX 🔓 Insecure
2026-08-15 10:27:19 3745ms 2 NS 2 A 0 MX 🔓 Insecure
2026-07-30 02:37:28 1423ms 2 NS 2 A 0 MX 🔓 Insecure
2026-07-19 08:28:39 8735ms 2 NS 2 A 0 MX 🔓 Insecure
2026-06-28 00:45:52 849ms 2 NS 2 A 0 MX 🔓 Insecure
2026-06-19 23:07:51 1818ms 2 NS 2 A 0 MX 🔓 Insecure
2026-06-16 20:50:06 653ms 2 NS 2 A 0 MX 🔓 Insecure
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