holbaeknaturskole.dk

📜 Historical scan 2026-06-21 20:46:25  ·  ← 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   154ms

🌍 A Records#

2 records   161ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.18.19 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.179.160 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

📧
No MX records found

🔷 AAAA Records (IPv6)#

2 records   111ms

🔐 HTTPS Records#

1 records   130ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.18.19,172.67.179.160 ech=AEX+DQBBxQAgACBZVSLaCvXYy4/290FK6A8nVlVT08SD/iLIbWlMRz+6LwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3036::6815:1213,2606:4700:3037::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#

209ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

130ms
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
154ms
A
161ms
MX
141ms
AAAA
111ms
TXT
147ms
CAA
135ms
HTTPS
130ms
TLSA
652ms
SOA
130ms
MTA-STS
112ms
DNSSEC
209ms
SRV
153ms
Total
1386ms

🕐 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 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 shown 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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