centrum.dk
Last scanned: 2026-08-27 21:21:02  ·  832ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   62ms
NameserverIP addressesPTRASN / ISP
ns1.centrum.dk 213.5.39.156 213-5-39-156.static.ip.bodata.dk AS49974 Bo data ApS
ns2.centrum.dk 80.209.94.234 80.209.94.234.static.fibianet.dk AS44869 FIBIA P/S
🌍 A Records1 records   75ms
IPTTLPTRASNISP / OrgCIDRCountryCity
213.5.39.156 3600s 213-5-39-156.static.ip.bodata.dk AS49974 Bo data ApS 213.5.32.0/21 🇩🇰 Denmark Vildbjerg
📧 MX Records1 records   73ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mail.centrum.dk 213.5.39.167 mail.centrum.dk AS49974 Bo data ApS
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover213.5.39.156
🔶 Autoconfig213.5.39.156
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   296ms
TXT Record
google-site-verification=Jr4yrXibzdc_5BIUqHD2XdjvB4xWU0CbEAKZ9ynQr2E
v=spf1 ip4:213.5.39.167 +a +mx include:spf.protection.outlook.com include:_spf.google.com ~all
✉️ SPF
PolicyRecord (centrum.dk)
~all (soft fail) v=spf1 ip4:213.5.39.167 +a +mx include:spf.protection.outlook.com include:_spf.google.com ~all
📨 DMARC
PolicyRecord (_dmarc.centrum.dk)
p=quarantine v=DMARC1; p=quarantine; ruf=mailto:sales@centrum.dk
📬 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)
🔐 DNSSEC117ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2026071801
Primary NS (MNAME)ns1.centrum.dk
Responsible (RNAME)gsig@centrum.dk
Refresh3600s
Retry600s
Expire604800s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
62ms
A
75ms
MX
73ms
AAAA
56ms
TXT
296ms
CAA
64ms
HTTPS
80ms
TLSA
61ms
SOA
0ms
MTA-STS
100ms
DNSSEC
117ms
SRV
103ms
Total
832ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 21:21:02 832ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-27 02:13:35 6057ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-07-19 15:12:04 749ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-07-01 12:23:57 500ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-25 14:50:36 1056ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-16 20:05:55 526ms 2 NS 1 A 1 MX 🔓 Insecure View
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