matematrix.dk DNS records

🖥️ Nameservers2 records 220ms

Nameserver	IP addresses	PTR	ASN / ISP
cortney.ns.cloudflare.com	108.162.192.87 172.64.32.87 173.245.58.87 2606:4700:50::adf5:3a57 2803:f800:50::6ca2:c057 2a06:98c1:50::ac40:2057	cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
eric.ns.cloudflare.com	108.162.193.112 172.64.33.112 173.245.59.112 2606:4700:58::adf5:3b70 2803:f800:50::6ca2:c170 2a06:98c1:50::ac40:2170	eric.ns.cloudflare.com eric.ns.cloudflare.com eric.ns.cloudflare.com eric.ns.cloudflare.com eric.ns.cloudflare.com eric.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 297ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.14.238	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.160.199	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 222ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:eee	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:a0c7	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 287ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.14.238,172.67.160.199 ech=AEX+DQBBTAAgACBDBiNPRa3JAde2W8i1tIukUky3n34zHcc735yBmfpvegAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:eee,2606:4700:3035::ac43:a0c7

📝 TXT Records

📝

No TXT records found

✉️ 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)

🔐 DNSSEC487ms

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	2412727511
Primary NS (MNAME)	cortney.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

220ms

A

297ms

MX

260ms

AAAA

222ms

TXT

741ms

CAA

274ms

HTTPS

287ms

TLSA

589ms

SOA

0ms

MTA-STS

359ms

DNSSEC

487ms

SRV

287ms

Total

6750ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-21 17:01:07	6750ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-19 15:41:56	9718ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-09 15:14:04	1025ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-22 08:07:16	1004ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-21 22:56:29	1088ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 12:13:33	527ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-17 13:18:14	743ms	2 NS 2 A 0 MX	🔓 Insecure	View