mchr.dk DNS records

🖥️ Nameservers2 records 17ms

Nameserver	IP addresses	PTR	ASN / ISP
langston.ns.cloudflare.com	108.162.195.252 162.159.44.252 172.64.35.252 2606:4700:58::a29f:2cfc 2803:f800:50::6ca2:c3fc 2a06:98c1:50::ac40:23fc	langston.ns.cloudflare.com langston.ns.cloudflare.com langston.ns.cloudflare.com langston.ns.cloudflare.com langston.ns.cloudflare.com langston.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
surina.ns.cloudflare.com	108.162.194.19 162.159.38.19 172.64.34.19 2606:4700:50::a29f:2613 2803:f800:50::6ca2:c213 2a06:98c1:50::ac40:2213	surina.ns.cloudflare.com surina.ns.cloudflare.com surina.ns.cloudflare.com surina.ns.cloudflare.com surina.ns.cloudflare.com surina.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records4 records 24ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.199.108.153	300s	cdn-185-199-108-153.github.com	AS54113	Fastly, Inc.	185.199.108.0/22	🇺🇸 United States	—
185.199.109.153	300s	cdn-185-199-109-153.github.com	AS54113	Fastly, Inc.	185.199.108.0/22	🇺🇸 United States	—
185.199.110.153	300s	cdn-185-199-110-153.github.com	AS54113	Fastly, Inc.	185.199.108.0/22	🇺🇸 United States	—
185.199.111.153	300s	cdn-185-199-111-153.github.com	AS54113	Fastly, Inc.	185.199.108.0/22	🇺🇸 United States	—

📧 MX Records2 records 36ms

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 150ms

TXT Record
google-site-verification=fdfjhk0h31225zkhLs2SWSpVum0rPubxsC0ZKM8M9KI
MS=ms16214121
protonmail-verification=aa2c6bd4f3cd9a327a7cfacc3102be7896b59427
v=spf1 include:_spf.protonmail.ch ~all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.mchr.dk)
p=quarantine	v=DMARC1; p=quarantine

📬 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	6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…

🔐 DNSSEC93ms

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	2413451036
Primary NS (MNAME)	langston.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

17ms

A

24ms

MX

36ms

AAAA

43ms

TXT

150ms

CAA

30ms

HTTPS

31ms

TLSA

51ms

SOA

0ms

MTA-STS

47ms

DNSSEC

93ms

SRV

60ms

Total

622ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-29 21:05:58	622ms	2 NS 4 A 2 MX	🔓 Insecure	View
2026-08-26 16:51:14	774ms	2 NS 4 A 2 MX	🔓 Insecure	View
2026-08-16 09:30:12	6352ms	2 NS 4 A 2 MX	🔓 Insecure	View
2026-08-12 13:13:17	1364ms	2 NS 4 A 2 MX	🔓 Insecure	View
2026-08-08 02:21:35	1269ms	2 NS 4 A 2 MX	🔓 Insecure	View
2026-07-24 15:20:29	1753ms	2 NS 4 A 2 MX	🔓 Insecure	View
2026-07-14 13:56:02	1571ms	2 NS 4 A 2 MX	🔓 Insecure	View
2026-07-06 04:35:22	1711ms	2 NS 4 A 2 MX	🔓 Insecure	View
2026-07-01 07:35:35	1201ms	2 NS 4 A 2 MX	🔓 Insecure	View
2026-06-23 01:23:38	960ms	2 NS 4 A 2 MX	🔓 Insecure	View
2026-06-17 13:14:32	3308ms	2 NS 4 A 2 MX	🔓 Insecure	View