astratech.dk DNS records

🖥️ Nameservers2 records 13ms

Nameserver	IP addresses	PTR	ASN / ISP
kareem.ns.cloudflare.com	108.162.195.22 162.159.44.22 172.64.35.22 2606:4700:58::a29f:2c16 2803:f800:50::6ca2:c316 2a06:98c1:50::ac40:2316	kareem.ns.cloudflare.com kareem.ns.cloudflare.com kareem.ns.cloudflare.com kareem.ns.cloudflare.com kareem.ns.cloudflare.com kareem.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
susan.ns.cloudflare.com	108.162.194.199 162.159.38.199 172.64.34.199 2606:4700:50::a29f:26c7 2803:f800:50::6ca2:c2c7 2a06:98c1:50::ac40:22c7	susan.ns.cloudflare.com susan.ns.cloudflare.com susan.ns.cloudflare.com susan.ns.cloudflare.com susan.ns.cloudflare.com susan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 81ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
172.67.147.108	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—
104.21.11.8	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—

📧 MX Records2 records 10ms

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)2 records 7ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:b08	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000::/42	—	—
2606:4700:3031::ac43:936c	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000::/42	—	—

🔐 HTTPS Records1 records 5053ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.11.8,172.67.147.108 ech=AEX+DQBBvwAgACC4epbPwsz4FZ//yHIyrHUTo3aPJVpcva8mZUTqXhCgZgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:936c,2606:4700:3032::6815:b08

📝 TXT Records2 records 97ms

TXT Record
protonmail-verification=cb7f475e49e3c00c8832f6c103259e3d0354eaff
v=spf1 include:_spf.protonmail.ch ~all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.astratech.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 217ms

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

🔐 DNSSEC148ms

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

🏷️ SOA9ms

Field	Value
Serial	2412320384
Primary NS (MNAME)	kareem.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

13ms

A

81ms

MX

10ms

AAAA

7ms

TXT

97ms

CAA

12ms

HTTPS

5053ms

TLSA

217ms

SOA

9ms

MTA-STS

34ms

DNSSEC

148ms

SRV

0ms

Total

9849ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-29 15:15:13	9849ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-26 12:46:50	9728ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-16 13:40:35	5682ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-15 02:31:51	1972ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-07-03 01:02:45	1114ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-25 02:12:47	6316ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-23 12:57:44	1184ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 20:44:53	3116ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-16 14:06:17	3214ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-16 13:46:11	848ms	2 NS 2 A 2 MX	🔓 Insecure	View