rbtx.dk

📜 Historical scan 2026-06-18 08:50:10 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rbtx.dk is a .dk domain served by 4 nameservers (ns-1447.awsdns-52.org, ns-1784.awsdns-31.co.uk, ns-436.awsdns-54.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 143.204.238.121 is hosted by Amazon.com, Inc. (AS16509) in United States. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 148ms

Nameserver	IP addresses	PTR	ASN / 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 Records#

4 records 154ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
143.204.238.121	—	server-143-204-238-121.arn53.r.cloudfront.net	AS16509	Amazon.com, Inc.	143.204.224.0/20	🇺🇸 United States	—
143.204.238.14	—	server-143-204-238-14.arn53.r.cloudfront.net	AS16509	Amazon.com, Inc.	143.204.224.0/20	🇺🇸 United States	—
143.204.238.34	—	server-143-204-238-34.arn53.r.cloudfront.net	AS16509	Amazon.com, Inc.	143.204.224.0/20	🇺🇸 United States	—
143.204.238.55	—	server-143-204-238-55.arn53.r.cloudfront.net	AS16509	Amazon.com, Inc.	143.204.224.0/20	🇺🇸 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 Records#

2 records 277ms

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

🧩 Web & zone#

latest probe, not this scan · checked 2026-09-29 15:51:29

www	Address record (no CNAME)
Wildcard	No

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

260ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

172ms

Field	Value
Serial	1
Primary NS (MNAME)	ns-1447.awsdns-52.org
Responsible (RNAME)	awsdns-hostmaster@amazon.com
Refresh	7200s
Retry	900s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

148ms

154ms

206ms

AAAA

166ms

TXT

277ms

CAA

154ms

HTTPS

282ms

TLSA

131ms

SOA

172ms

MTA-STS

65ms

DNSSEC

260ms

SRV

101ms

Total

882ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-29 15:51:29	3139ms	4 NS 4 A 0 MX	🔓 Insecure
2026-08-27 06:41:27	5443ms	4 NS 4 A 0 MX	🔓 Insecure
2026-06-22 13:23:52	822ms	4 NS 4 A 0 MX	🔓 Insecure
2026-06-18 08:50:10 shown	882ms	4 NS 4 A 0 MX	🔓 Insecure