tuibluecard.dk
Last scanned: 2026-08-27 07:32:17  ·  616ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   70ms
NameserverIP addressesPTRASN / ISP
ns01.brandshelter.com 193.227.117.15
2a04:2b00:14cc::15		 —
ns15.i.centralnic-dns.com		 AS1921 ipcom GmbH
AS1921 ipcom GmbH
ns02.brandshelter.net 194.50.187.16
2a04:2b00:14dd::16		 —
ns16.j.centralnic-dns.com		 AS207021 ipcom GmbH
AS207021 ipcom GmbH
🌍 A Records
🌍
No A records found
📧 MX Records1 records   68ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   271ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (tuibluecard.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.tuibluecard.dk)
p=reject v=DMARC1;p=reject;pct=100;rua=mailto:dmarcreports@charityworkersholidays.co.uk,mailto:2256e681@inbox.ondmarc.com;ruf=mailto:2256e681@inbox.ondmarc.com
📬 MTA-STS
✗ No MTA-STS policy — SMTP TLS not enforced
📈 TLSRPT
✗ No TLSRPT record — no SMTP TLS failure reporting
📜 CAA Records2 records   72ms
FlagsTagValue
0 iodef mailto:domain@tui.com
0 issue digicert.com
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC95ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2021031605
Primary NS (MNAME)ns01.brandshelter.com
Responsible (RNAME)tech@brandshelter.com
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)300s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
70ms
A
57ms
MX
68ms
AAAA
68ms
TXT
271ms
CAA
72ms
HTTPS
83ms
TLSA
55ms
SOA
0ms
MTA-STS
74ms
DNSSEC
95ms
SRV
87ms
Total
616ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 07:32:17 616ms 2 NS 0 A 1 MX 🔓 Insecure View
2026-06-22 20:53:38 2502ms 2 NS 0 A 1 MX 🔓 Insecure View
2026-06-22 03:07:37 1022ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-21 03:58:15 510ms 2 NS 0 A 1 MX 🔓 Insecure View
2026-06-18 08:27:50 1313ms 2 NS 0 A 0 MX 🔓 Insecure View
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