centron.dk
Last scanned: 2026-06-26 06:37:52  ·  842ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   53ms
NameserverIP addressesPTRASN / ISP
a.ns14.net 2001:8d8:fe:53:217:160:80:160
217.160.80.160		 ns-ix1.ui-dns.de
ns-ix1.ui-dns.de		 AS8560 IONOS SE
AS8560 IONOS SE
b.ns14.net 2001:8d8:fe:53:217:160:81:160
217.160.81.160		 ns-ix1.ui-dns.biz
ns-ix1.ui-dns.biz		 AS8560 IONOS SE
AS8560 IONOS SE
c.ns14.net 185.132.35.160
2607:f1c0:fe:53:185:132:35:160		 ns-ix1.ui-dns.org
ns-ix1.ui-dns.org		 AS15418 Fasthosts Internet Limited
AS15418 Fasthosts Internet Limited
d.ns14.net 185.132.34.160
2607:f1c0:fe:53:185:132:34:160		 ns-ix1.ui-dns.com
ns-ix1.ui-dns.com		 AS15418 Fasthosts Internet Limited
AS15418 Fasthosts Internet Limited
🌍 A Records1 records   52ms
IPTTLPTRASNISP / OrgCIDRCountryCity
81.201.105.20 86400s — — — — 🇫🇷 France Fegersheim
📧 MX Records1 records   52ms
PriorityTTLMail ServerIP addressesPTRASN
5 86400s mail.centron.dk 81.201.105.20 — —
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover81.201.105.20
🔶 Autoconfig81.201.105.20
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC136ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA59ms
FieldValue
Serial2021090100
Primary NS (MNAME)a.ns14.net
Responsible (RNAME)hostmaster@centron.de
Refresh39940s
Retry7200s
Expire604800s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
53ms
A
52ms
MX
52ms
AAAA
56ms
TXT
279ms
CAA
38ms
HTTPS
48ms
TLSA
122ms
SOA
59ms
MTA-STS
74ms
DNSSEC
136ms
SRV
112ms
Total
842ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-26 06:37:52 842ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-06-22 12:43:06 1178ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-20 01:15:00 984ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-06-16 20:05:04 778ms 4 NS 1 A 1 MX 🔓 Insecure View
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