rbtx.dk
Last scanned: 2026-08-27 06:41:27  ·  5443ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   62ms
NameserverIP addressesPTRASN / ISP
ns-1447.awsdns-52.org 205.251.197.167
2600:9000:5305:a700::1		 ns-1447.awsdns-52.org
ns-1447.awsdns-52.org		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
ns-1784.awsdns-31.co.uk 205.251.198.248
2600:9000:5306:f800::1		 ns-1784.awsdns-31.co.uk
ns-1784.awsdns-31.co.uk		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
ns-436.awsdns-54.com 205.251.193.180
2600:9000:5301:b400::1		 ns-436.awsdns-54.com
ns-436.awsdns-54.com		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
ns-964.awsdns-56.net 205.251.195.196
2600:9000:5303:c400::1		 ns-964.awsdns-56.net
ns-964.awsdns-56.net		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
🌍 A Records4 records   65ms
IPTTLPTRASNISP / OrgCIDRCountryCity
3.174.18.112 60s server-3-174-18-112.cph50.r.cloudfront.net AS16509 Amazon.com, Inc. 3.128.0.0/10 🇺🇸 United States —
3.174.18.37 60s server-3-174-18-37.cph50.r.cloudfront.net AS16509 Amazon.com, Inc. 3.128.0.0/10 🇺🇸 United States —
3.174.18.4 60s server-3-174-18-4.cph50.r.cloudfront.net AS16509 Amazon.com, Inc. 3.128.0.0/10 🇺🇸 United States —
3.174.18.72 60s server-3-174-18-72.cph50.r.cloudfront.net AS16509 Amazon.com, Inc. 3.128.0.0/10 🇺🇸 United States —
📧 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 Records2 records   237ms
TXT Record
facebook-domain-verification=grgjx4i7y274dnil1wt7mz9rx8gau3
google-site-verification=zGCvOAN1qVPZ7RxZAE1ddN4v2i56M0zhzmaMR8x13J0
✉️ 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)
🔐 DNSSEC2078ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial1
Primary NS (MNAME)ns-1447.awsdns-52.org
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
62ms
A
65ms
MX
54ms
AAAA
62ms
TXT
237ms
CAA
73ms
HTTPS
42ms
TLSA
93ms
SOA
0ms
MTA-STS
77ms
DNSSEC
2078ms
SRV
89ms
Total
5443ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 06:41:27 5443ms 4 NS 4 A 0 MX 🔓 Insecure View
2026-06-22 13:23:52 822ms 4 NS 4 A 0 MX 🔓 Insecure View
2026-06-18 08:50:10 882ms 4 NS 4 A 0 MX 🔓 Insecure View
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