buildingos.dk

📜 Historical scan 2026-07-15 18:48:24  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

buildingos.dk is a .dk domain served by 2 nameservers (carmelo.ns.cloudflare.com, paloma.ns.cloudflare.com). It first appeared in the .dk zone on 30 June 2026. Its website address 104.21.30.92 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by .. The zone is of unknown DNSSEC status, 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   37ms

🌍 A Records#

2 records   56ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.30.92 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.172.179 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   57ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)#

2 records   53ms

🔐 HTTPS Records#

1 records   45ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.30.92,172.67.172.179 ech=AEX+DQBBcAAgACArFUzWfifbGuMvKfgQiHvfpfSUg30jOnIruV56QO+VHgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:acb3,2606:4700:3037::6815:1e5c

📝 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 2026-10-09 19:07:13

🔗 TLSA / DANE#

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

🔐 DNSSEC#

139ms
CheckResult
Validation Status❓ Unknown
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsbroken trust chain resolving 'buildingos.dk/A/IN': 127.0.0.1#53

🏷️ SOA#

0ms
FieldValue
Serial2409422508
Primary NS (MNAME)carmelo.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
37ms
A
56ms
MX
57ms
AAAA
53ms
TXT
176ms
CAA
62ms
HTTPS
45ms
TLSA
125ms
SOA
0ms
MTA-STS
58ms
DNSSEC
139ms
SRV
140ms
Total
1064ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-30 11:44:39 514ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-18 22:46:18 655ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-14 09:16:57 706ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-10 02:55:17 720ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-25 11:15:48 1058ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-15 18:48:24 shown 1064ms 2 NS 2 A 1 MX ❓ Unknown
2026-07-08 14:06:13 636ms 2 NS 1 A 1 MX 🔒 Secure
2026-07-01 20:42:27 2171ms 2 NS 1 A 1 MX 🔒 Secure
2026-07-01 09:22:18 8813ms 2 NS 1 A 1 MX 🔓 Insecure
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