nubank.dk
Last scanned: 2026-06-24 18:01:11  ·  1712ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   278ms
NameserverIP addressesPTRASN / ISP
ns-1103.awsdns-09.org 205.251.196.79
2600:9000:5304:4f00::1		 ns-1103.awsdns-09.org
ns-1103.awsdns-09.org		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
ns-1709.awsdns-21.co.uk 205.251.198.173
2600:9000:5306:ad00::1		 ns-1709.awsdns-21.co.uk
ns-1709.awsdns-21.co.uk		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
ns-321.awsdns-40.com 205.251.193.65
2600:9000:5301:4100::1		 ns-321.awsdns-40.com
ns-321.awsdns-40.com		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
ns-840.awsdns-41.net 205.251.195.72
2600:9000:5303:4800::1		 ns-840.awsdns-41.net
ns-840.awsdns-41.net		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
🌍 A Records
🌍
No A records found
📧 MX Records
📧
No MX records found
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   639ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (nubank.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.nubank.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 Records2 records   280ms
FlagsTagValue
0 iodef mailto:certificates@nubank.com.br
0 issue ;
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC539ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset
🏷️ SOA270ms
FieldValue
Serial1
Primary NS (MNAME)ns-840.awsdns-41.net
Responsible (RNAME)awsdns-hostmaster@amazon.com
Refresh7200s
Retry900s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
278ms
A
362ms
MX
365ms
AAAA
392ms
TXT
639ms
CAA
280ms
HTTPS
615ms
TLSA
34ms
SOA
270ms
MTA-STS
616ms
DNSSEC
539ms
SRV
458ms
Total
1712ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-24 18:01:11 1712ms 4 NS 0 A 0 MX 🔓 Insecure View
2026-06-22 17:57:18 1114ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-21 01:21:50 625ms 4 NS 0 A 0 MX 🔓 Insecure View
2026-06-17 12:56:47 2018ms 4 NS 0 A 0 MX 🔓 Insecure View
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