mattheus.dk DNS records

🖥️ Nameservers2 records 60ms

Nameserver	IP addresses	PTR	ASN / ISP
maria.ns.cloudflare.com	108.162.192.192 172.64.32.192 173.245.58.192 2606:4700:50::adf5:3ac0 2803:f800:50::6ca2:c0c0 2a06:98c1:50::ac40:20c0	maria.ns.cloudflare.com maria.ns.cloudflare.com maria.ns.cloudflare.com maria.ns.cloudflare.com maria.ns.cloudflare.com maria.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
newt.ns.cloudflare.com	108.162.193.212 172.64.33.212 173.245.59.212 2606:4700:58::adf5:3bd4 2803:f800:50::6ca2:c1d4 2a06:98c1:50::ac40:21d4	newt.ns.cloudflare.com newt.ns.cloudflare.com newt.ns.cloudflare.com newt.ns.cloudflare.com newt.ns.cloudflare.com newt.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 Records2 records 52ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.protonmail.ch	176.119.200.128 185.205.70.128 185.70.42.128	mail.protonmail.ch mail.protonmail.ch mail.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG
20	300s	mailsec.protonmail.ch	176.119.200.129 185.205.70.129 185.70.42.129	mailsec.protonmail.ch mailsec.protonmail.ch mailsec.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records4 records 187ms

TXT Record
google-site-verification=BUdwyiwRRFQcq06GWeZSTAOek_QKCtsbeQ9AlHr9eGY
openai-domain-verification=dv-WhKWFGQqCX0Eali8vyNtHNZ3
protonmail-verification=2419b99569667446d0d56612d52add50645c3f47
v=spf1 include:_spf.protonmail.ch mx ~all

✉️ SPF

Policy	Record (mattheus.dk)
~all (soft fail)	v=spf1 include:_spf.protonmail.ch mx ~all

📨 DMARC

Policy	Record (_dmarc.mattheus.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:ipm5dyx@ar.glockapps.com,mailto:security@mattheus.me;

📬 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 / DANE4 records 51ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…

🔐 DNSSEC87ms

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

🏷️ SOA0ms

Field	Value
Serial	2409983778
Primary NS (MNAME)	maria.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

60ms

A

49ms

MX

52ms

AAAA

53ms

TXT

187ms

CAA

37ms

HTTPS

45ms

TLSA

51ms

SOA

0ms

MTA-STS

73ms

DNSSEC

87ms

SRV

77ms

Total

621ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 17:31:53	621ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-07-20 18:46:41	9561ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-07-19 18:22:50	10164ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-07-18 16:12:59	1759ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-07-01 11:42:55	877ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-06-17 14:46:33	1854ms	4 NS 1 A 2 MX	⚠️ Bogus	View