csusa.dk DNS records

🖥️ Nameservers2 records 84ms

Nameserver	IP addresses	PTR	ASN / ISP
seth.ns.cloudflare.com	108.162.193.142 172.64.33.142 173.245.59.142 2606:4700:58::adf5:3b8e 2803:f800:50::6ca2:c18e 2a06:98c1:50::ac40:218e	seth.ns.cloudflare.com seth.ns.cloudflare.com seth.ns.cloudflare.com seth.ns.cloudflare.com seth.ns.cloudflare.com seth.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
zara.ns.cloudflare.com	108.162.192.148 172.64.32.148 173.245.58.148 2606:4700:50::adf5:3a94 2803:f800:50::6ca2:c094 2a06:98c1:50::ac40:2094	zara.ns.cloudflare.com zara.ns.cloudflare.com zara.ns.cloudflare.com zara.ns.cloudflare.com zara.ns.cloudflare.com zara.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 80ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
206.189.17.60	300s	—	AS14061	DigitalOcean, LLC	206.189.0.0/16	🇬🇧 United Kingdom	Slough

📧 MX Records1 records 98ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	csusa-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::6 2a01:111:f403:ca04::a 2a01:111:f403:ca09:: 52.101.68.39 52.101.73.11 52.101.73.19 52.101.73.6	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db4pr02cu00406.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-am6pr04cu00306.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	104.21.89.166

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 131ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records2 records 277ms

TXT Record
MS=ms46803525
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

📨 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)

🔐 DNSSEC185ms

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

🏷️ SOA0ms

Field	Value
Serial	2412919152
Primary NS (MNAME)	seth.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

84ms

A

80ms

MX

98ms

AAAA

91ms

TXT

277ms

CAA

98ms

HTTPS

98ms

TLSA

960ms

SOA

0ms

MTA-STS

98ms

DNSSEC

185ms

SRV

131ms

Total

3082ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-24 08:55:16	3082ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-20 22:16:49	1437ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-18 20:29:00	10022ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-17 17:15:41	4117ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-15 05:23:38	1957ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-20 19:17:39	2003ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-23 19:42:00	1772ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-20 03:42:23	2578ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 23:05:34	1394ms	2 NS 1 A 1 MX	🔓 Insecure	View