mastertech.dk DNS records

🖥️ Nameservers2 records 45ms

Nameserver	IP addresses	PTR	ASN / ISP
edna.ns.cloudflare.com	108.162.192.109 172.64.32.109 173.245.58.109 2606:4700:50::adf5:3a6d 2803:f800:50::6ca2:c06d 2a06:98c1:50::ac40:206d	edna.ns.cloudflare.com edna.ns.cloudflare.com edna.ns.cloudflare.com edna.ns.cloudflare.com edna.ns.cloudflare.com edna.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
kai.ns.cloudflare.com	108.162.193.188 172.64.33.188 173.245.59.188 2606:4700:58::adf5:3bbc 2803:f800:50::6ca2:c1bc 2a06:98c1:50::ac40:21bc	kai.ns.cloudflare.com kai.ns.cloudflare.com kai.ns.cloudflare.com kai.ns.cloudflare.com kai.ns.cloudflare.com kai.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.70.77	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.221.163	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 38ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:464d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:dda3	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 32ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.70.77,172.67.221.163 ech=AEX+DQBBkwAgACC5iWFvvsMrmhs/uCA/ze2z45WH98ust986kauT6DlHcwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:464d,2606:4700:3037::ac43:dda3

📝 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)

🔐 DNSSEC139ms

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

🏷️ SOA0ms

Field	Value
Serial	2410534528
Primary NS (MNAME)	edna.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

45ms

A

34ms

MX

36ms

AAAA

38ms

TXT

187ms

CAA

52ms

HTTPS

32ms

TLSA

56ms

SOA

0ms

MTA-STS

70ms

DNSSEC

139ms

SRV

92ms

Total

816ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 10:34:30	762ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-19 20:08:08	869ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-08 03:58:13	980ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-26 17:45:55	816ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-20 13:09:22	980ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-03 10:17:59	680ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-18 05:52:32	801ms	2 NS 2 A 0 MX	🔓 Insecure	View