buildingos.dk

📜 Historical scan 2026-09-18 22:46:18  ·  ← 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 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   37ms

🌍 A Records#

2 records   35ms
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   35ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)#

2 records   34ms

🔐 HTTPS Records#

1 records   39ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.30.92,172.67.172.179 ech=AEX+DQBBQQAgACA6iIDs4iprmxx2wZy3lsnLx7nV0TwFSvLf4NI/g5mHLgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= 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#

116ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2415014895
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
35ms
MX
35ms
AAAA
34ms
TXT
151ms
CAA
48ms
HTTPS
39ms
TLSA
55ms
SOA
0ms
MTA-STS
53ms
DNSSEC
116ms
SRV
51ms
Total
655ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-30 11:44:39 514ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-18 22:46:18 shown 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 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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