tbt-center.dk
Last scanned: 2026-06-26 23:23:04  ·  1475ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   209ms
NameserverIP addressesPTRASN / ISP
dns1.cscdns.net 156.154.130.100
2610:a1:1022::100		 indom130.indomco.org
—		 AS12008 Vercara, LLC
AS12008 Vercara, LLC
dns2.cscdns.net 156.154.131.100
2610:a1:1023::100		 dns2.cscdns.net
ns4.netnames.net		 AS12008 Vercara, LLC
AS12008 Vercara, LLC
🌍 A Records1 records   204ms
IPTTLPTRASNISP / OrgCIDRCountryCity
128.0.75.219 14400s — AS198631 Region Hovedstaden 128.0.72.0/22 🇩🇰 Denmark Copenhagen
📧 MX Records1 records   172ms
PriorityTTLMail ServerIP addressesPTRASN
10 14400s custmx.cscdns.net 198.58.121.58 198-58-121-58.ip.linodeusercontent.com AS63949 Akamai Connected Cloud
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   411ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (tbt-center.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.tbt-center.dk)
p=reject v=DMARC1; p=reject;
📬 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)
🔐 DNSSEC321ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA252ms
FieldValue
Serial2021031007
Primary NS (MNAME)dns1.cscdns.net
Responsible (RNAME)hostmaster@cscdns.net
Refresh28800s
Retry7200s
Expire604800s
Minimum (neg-cache TTL)14400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
209ms
A
204ms
MX
172ms
AAAA
235ms
TXT
411ms
CAA
225ms
HTTPS
188ms
TLSA
231ms
SOA
252ms
MTA-STS
253ms
DNSSEC
321ms
SRV
242ms
Total
1475ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-26 23:23:04 1475ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-22 19:16:28 604ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-18 06:43:37 4391ms 2 NS 1 A 1 MX 🔒 Secure View
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