sierbach.dk
Last scanned: 2026-08-27 09:32:49  ·  2370ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   57ms
NameserverIP addressesPTRASN / ISP
ns1.ecomdata.de 2a10:b040:1::10
80.243.227.47		 ns1.ecomdata.de
ns1.ecomdata.de		 AS211582 ecomDATA GmbH
AS211582 ecomDATA GmbH
ns2.ecomdata.de 185.214.189.1
2a10:b040:2::10		 ns2.ecomdata.de
ns2.ecomdata.de		 AS211582 ecomDATA GmbH
AS211582 ecomDATA GmbH
ns3.ecomdata.de 2a05:d014:c05:4500:83e6:7723:5290:365b
35.158.5.252		 ns3.ecomdata.de
ns3.ecomdata.de		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
🌍 A Records1 records   60ms
IPTTLPTRASNISP / OrgCIDRCountryCity
5.45.146.251 300s mpweb0005.ecomdata.de AS211582 ecomDATA GmbH 5.45.144.0/22 🇩🇪 Germany Nuremberg
📧 MX Records1 records   59ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mail.sierbach.dk 2a10:b040:3::2:151
5.45.146.251		 mpweb0005.ecomdata.de
mpweb0005.ecomdata.de		 AS211582 ecomDATA GmbH
AS211582 ecomDATA GmbH
🔷 AAAA Records (IPv6)1 records   44ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a10:b040:3::2:151 300s mpweb0005.ecomdata.de AS211582 ecomDATA GmbH 2a10:b040:2:0:0:0:0:0/47 🇩🇪 Germany Nuremberg
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   314ms
TXT Record
v=spf1 a mx ip4:5.45.146.251 ip6:2a10:b040:3:0:0:0:2:151 ~all
✉️ SPF
PolicyRecord (sierbach.dk)
~all (soft fail) v=spf1 a mx ip4:5.45.146.251 ip6:2a10:b040:3:0:0:0:2:151 ~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)
🔐 DNSSEC120ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2026020500
Primary NS (MNAME)ns1.ecomdata.de
Responsible (RNAME)hostmaster@sierbach.dk
Refresh3600s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
57ms
A
60ms
MX
59ms
AAAA
44ms
TXT
314ms
CAA
55ms
HTTPS
71ms
TLSA
254ms
SOA
0ms
MTA-STS
112ms
DNSSEC
120ms
SRV
116ms
Total
2370ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 09:32:49 2370ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-06-28 20:49:23 835ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-06-20 19:15:22 1996ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-06-17 22:57:59 7000ms 3 NS 1 A 1 MX 🔓 Insecure View
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