holbaeknaturskole.dk

📜 Historical scan 2026-06-25 12:37:11  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

holbaeknaturskole.dk is a .dk domain served by 2 nameservers (aaron.ns.cloudflare.com, violet.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.18.19 is hosted by Cloudflare, Inc. (AS13335). 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   35ms

🌍 A Records#

2 records   35ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.18.19 600s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.179.160 600s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

📧
No MX records found

🔷 AAAA Records (IPv6)#

2 records   39ms

🔐 HTTPS Records#

1 records   45ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.18.19,172.67.179.160 ech=AEX+DQBBvAAgACBDGjd7KAA//oYh2o3NrutZX4VpGmOe42gVNB175MZ0bAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:1213,2606:4700:3036::ac43:b3a0

📝 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 2026-10-13 15:55:42

🔗 TLSA / DANE#

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

🔐 DNSSEC#

83ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

32ms
FieldValue
Serial2405923895
Primary NS (MNAME)aaron.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
35ms
A
35ms
MX
30ms
AAAA
39ms
TXT
266ms
CAA
34ms
HTTPS
45ms
TLSA
302ms
SOA
32ms
MTA-STS
39ms
DNSSEC
83ms
SRV
157ms
Total
1071ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-30 21:27:52 697ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-24 20:17:29 9505ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-04 07:46:23 972ms 2 NS 2 A 0 MX 🔓 Insecure
2026-08-26 05:31:59 573ms 2 NS 2 A 0 MX 🔓 Insecure
2026-08-23 20:25:47 16964ms 2 NS 2 A 0 MX 🔓 Insecure
2026-08-03 06:08:55 2196ms 2 NS 2 A 0 MX 🔓 Insecure
2026-07-08 20:30:09 16941ms 2 NS 2 A 0 MX 🔓 Insecure
2026-06-25 12:37:11 shown 1071ms 2 NS 2 A 0 MX 🔓 Insecure
2026-06-23 18:13:52 815ms 2 NS 2 A 0 MX 🔓 Insecure
2026-06-21 20:46:25 1386ms 2 NS 2 A 0 MX 🔓 Insecure
2026-06-17 13:15:45 275ms 0 NS 0 A 0 MX ❓ Unknown
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