otto-duborg-byggecenter.dk
Last scanned: 2026-09-03 22:20:27  ·  1425ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   55ms
NameserverIP addressesPTRASN / ISP
dns.nic.xlink.net 194.45.97.99 chemnitz.nic.xlink.net AS6724 Strato GmbH
koeln.nic.xlink.net 193.141.3.6 ulm.nic.xlink.net AS6724 Strato GmbH
🌍 A Records1 records   54ms
IPTTLPTRASNISP / OrgCIDRCountryCity
192.109.96.75 86400s — AS3320 Deutsche Telekom AG 192.109.96.0/24 🇩🇪 Germany Karlsruhe
📧 MX Records2 records   55ms
PriorityTTLMail ServerIP addressesPTRASN
10 86400s d328558.a.ess.de.barracudanetworks.com 18.185.115.250
18.185.115.251
18.185.115.252		 mail.ess.de.barracuda.com
mail.ess.de.barracuda.com
mail.ess.de.barracuda.com		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
10 86400s d328558.b.ess.de.barracudanetworks.com 18.185.115.250
18.185.115.251
18.185.115.252		 mail.ess.de.barracuda.com
mail.ess.de.barracuda.com
mail.ess.de.barracuda.com		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   347ms
TXT Record
v=spf1 -all
X-NIC Certified Quality Zone
✉️ SPF
PolicyRecord (otto-duborg-byggecenter.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)
🔐 DNSSEC85ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2024081200
Primary NS (MNAME)karlsruhe.nic.xlink.net
Responsible (RNAME)hostmaster@xlink.net
Refresh86400s
Retry7200s
Expire604800s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
55ms
A
54ms
MX
55ms
AAAA
49ms
TXT
347ms
CAA
55ms
HTTPS
45ms
TLSA
217ms
SOA
0ms
MTA-STS
96ms
DNSSEC
85ms
SRV
110ms
Total
1425ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-03 22:20:27 1425ms 2 NS 1 A 2 MX 🔓 Insecure View
2026-06-27 02:15:24 2311ms 2 NS 1 A 2 MX 🔓 Insecure View
2026-06-20 00:04:48 1749ms 2 NS 1 A 2 MX 🔓 Insecure View
2026-06-17 13:45:19 2217ms 2 NS 1 A 2 MX 🔓 Insecure View
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