bybyg.dk
Last scanned: 2026-06-25 10:58:55  ·  688ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   64ms
🌍 A Records1 records   59ms
IPTTLPTRASNISP / OrgCIDRCountryCity
130.225.49.86 3600s web86.srv.aau.dk AS1835 IDDQD-AS 130.225.0.0/16 🇩🇰 Denmark
📧 MX Records1 records   57ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s .  Null MX — domain accepts no email (RFC 7505)
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   270ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (bybyg.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.bybyg.dk)
p=reject v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email;
📬 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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC147ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA45ms
FieldValue
Serial2023091900
Primary NS (MNAME)ns1.aau.dk
Responsible (RNAME)hostmaster@its.aau.dk
Refresh3600s
Retry900s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
64ms
A
59ms
MX
57ms
AAAA
52ms
TXT
270ms
CAA
46ms
HTTPS
46ms
TLSA
51ms
SOA
45ms
MTA-STS
72ms
DNSSEC
147ms
SRV
71ms
Total
688ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-25 10:58:55 688ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-21 19:01:26 1115ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-20 06:04:53 2822ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-16 18:05:12 2417ms 2 NS 1 A 0 MX 🔓 Insecure View
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