hollu.dk
Last scanned: 2026-08-27 14:15:38  ·  844ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   42ms
NameserverIP addressesPTRASN / ISP
dns1.a1.net 2001:850:3030:31:80:120:17:26
80.120.17.26		 dns1.a1.net
dns1.a1.net		 AS8447 Telekom Austria
AS8447 Telekom Austria
dns2.a1.net 192.174.68.105
2001:67c:1bc::105
2001:850:3010:101:213:33:99:79
213.33.99.79		 dns2.a1.net
dns2.a1.net
dns2.a1.net
dns2.a1.net		 AS1921 ipcom GmbH
AS1921 ipcom GmbH
AS8447 Telekom Austria
AS8447 Telekom Austria
dns3.a1.net 176.97.158.105
2001:67c:10b8::105		 dns3.a1.net
dns3.a1.net		 AS207021 ipcom GmbH
AS207021 ipcom GmbH
🌍 A Records1 records   57ms
IPTTLPTRASNISP / OrgCIDRCountryCity
3.73.103.136 3600s ec2-3-73-103-136.eu-central-1.compute.amazonaws.com AS16509 Amazon.com, Inc. 3.64.0.0/12 🇩🇪 Germany Frankfurt am Main
📧 MX Records
📧
No MX records found
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   281ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (hollu.dk)
-all (hard fail) v=spf1 -all
📨 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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC94ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2025091200
Primary NS (MNAME)dns1.a1.net
Responsible (RNAME)domainadmin@a1.net
Refresh10800s
Retry3600s
Expire1814400s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
42ms
A
57ms
MX
75ms
AAAA
48ms
TXT
281ms
CAA
71ms
HTTPS
66ms
TLSA
91ms
SOA
0ms
MTA-STS
97ms
DNSSEC
94ms
SRV
97ms
Total
844ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 14:15:38 844ms 3 NS 1 A 0 MX 🔓 Insecure View
2026-06-17 13:53:48 2031ms 3 NS 1 A 0 MX 🔓 Insecure View
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