rxtx.dk DNS records

🖥️ Nameservers2 records 72ms

Nameserver	IP addresses	PTR	ASN / ISP
opal.ns.cloudflare.com	108.162.194.100 162.159.38.100 172.64.34.100 2606:4700:50::a29f:2664 2803:f800:50::6ca2:c264 2a06:98c1:50::ac40:2264	opal.ns.cloudflare.com opal.ns.cloudflare.com opal.ns.cloudflare.com opal.ns.cloudflare.com opal.ns.cloudflare.com opal.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
vicente.ns.cloudflare.com	108.162.195.239 162.159.44.239 172.64.35.239 2606:4700:58::a29f:2cef 2803:f800:50::6ca2:c3ef 2a06:98c1:50::ac40:23ef	vicente.ns.cloudflare.com vicente.ns.cloudflare.com vicente.ns.cloudflare.com vicente.ns.cloudflare.com vicente.ns.cloudflare.com vicente.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records

🌍

No A records found

📧 MX Records1 records 110ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	120s	rxtx-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca09::a 2a01:111:f403:ca09::e 2a01:111:f403:ca48::a 52.101.68.16 52.101.73.126 52.101.73.26 52.101.73.8	mail-db7pr03cu00601.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-as9pr05cu01302.inbound.protection.outlook.com mail-am0pr04cu00500.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.24

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 318ms

TXT Record
google-site-verification=WjBUJotU6XhhMDw_EOAUK_oNlGBvUXaE_ce1kVC2D0k
MS=ms54108000
v=spf1 include:spf.protection.outlook.com ip4:91.210.59.156 -all

✉️ SPF

Policy	Record (rxtx.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com ip4:91.210.59.156 -all

📨 DMARC

Policy	Record (_dmarc.rxtx.dk)
p=quarantine	v=DMARC1; p=quarantine; sp=none; rua=mailto:20c69a161ebb4805a21b98048f22640b@dmarc-reports.cloudflare.net

📬 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)

🔐 DNSSEC239ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2413474292
Primary NS (MNAME)	opal.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

72ms

A

135ms

MX

110ms

AAAA

87ms

TXT

318ms

CAA

72ms

HTTPS

102ms

TLSA

712ms

SOA

0ms

MTA-STS

172ms

DNSSEC

239ms

SRV

168ms

Total

1687ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-29 17:38:19	1687ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-08-27 12:13:09	837ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-08-26 11:52:31	11126ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-08-03 13:35:55	3042ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-08-01 23:29:02	3907ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-07-27 22:29:44	33065ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-07-11 11:32:44	3445ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-07-08 20:14:26	1469ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-07-05 13:29:34	9916ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-03 10:11:53	9568ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-18 00:37:19	2225ms	2 NS 2 A 1 MX	🔓 Insecure	View