kulturdullerne.dk

📜 Historical scan 2026-09-26 23:18:49  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

kulturdullerne.dk is a .dk domain served by 2 nameservers (devin.ns.cloudflare.com, imani.ns.cloudflare.com). It was registered on 17 September 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.25.10 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by .. 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   32ms

🌍 A Records#

2 records   39ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.25.10 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.221.139 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   38ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)#

2 records   31ms

🔐 HTTPS Records#

1 records   37ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.25.10,172.67.221.139 ech=AEX+DQBB7wAgACBuHU29kdimXyP3FXOhLS9knaBMSm4ZWA6NhEhR0vneIQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3037::6815:190a,2606:4700:3037::ac43:dd8b

📝 TXT Records#

1 records   179ms
TXT Record
v=spf1 -all

✉️ SPF#

PolicyRecord (kulturdullerne.dk)
-all (hard fail) v=spf1 -all

📨 DMARC#

PolicyRecord (_dmarc.kulturdullerne.dk)
p=reject v=DMARC1; p=reject; sp=reject; 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#

11 records   45ms

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-11 16:07:38
www104.21.25.10 172.67.221.139 2606:4700:3037::6815:190a 2606:4700:3037::ac43:dd8b (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceCompact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

121ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2415942633
Primary NS (MNAME)devin.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-11 16:38:04
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2016-09-17
Expires2027-09-30 (339d)

🔗 Same registrant#

10 domains
📋 WHOIS#

⏱️ Lookup Timing#

NS
32ms
A
39ms
MX
38ms
AAAA
31ms
TXT
179ms
CAA
45ms
HTTPS
37ms
TLSA
56ms
SOA
0ms
MTA-STS
61ms
DNSSEC
121ms
SRV
69ms
Total
801ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-11 16:07:38 495ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-26 23:18:49 shown 801ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-19 19:37:57 1352ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-08 07:16:27 10191ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-25 00:42:48 757ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-03 09:38:46 1279ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-18 17:25:18 16763ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-09 04:26:43 16924ms 2 NS 2 A 1 MX ❓ Unknown
2026-06-20 08:01:34 669ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-17 13:08:52 3054ms 2 NS 2 A 0 MX 🔓 Insecure
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