tstr.dk DNS records

🖥️ Nameservers2 records 8039ms

Nameserver	IP addresses	PTR	ASN / ISP
emerson.ns.cloudflare.com	108.162.195.96 162.159.44.96 172.64.35.96 2606:4700:58::a29f:2c60 2803:f800:50::6ca2:c360 2a06:98c1:50::ac40:2360	emerson.ns.cloudflare.com emerson.ns.cloudflare.com emerson.ns.cloudflare.com emerson.ns.cloudflare.com emerson.ns.cloudflare.com emerson.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
suzanne.ns.cloudflare.com	108.162.194.87 162.159.38.87 172.64.34.87 2606:4700:50::a29f:2657 2803:f800:50::6ca2:c257 2a06:98c1:50::ac40:2257	suzanne.ns.cloudflare.com suzanne.ns.cloudflare.com suzanne.ns.cloudflare.com suzanne.ns.cloudflare.com suzanne.ns.cloudflare.com suzanne.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 85ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mxa.eu.mailgun.org	34.111.130.244	244.130.111.34.bc.googleusercontent.com	AS396982 Google LLC
10	300s	mxb.eu.mailgun.org	34.111.130.244	244.130.111.34.bc.googleusercontent.com	AS396982 Google LLC

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 377ms

TXT Record
v=spf1 include:mailgun.org -all

✉️ SPF

Policy	Record (tstr.dk)
-all (hard fail)	v=spf1 include:mailgun.org -all

📨 DMARC

Policy	Record (_dmarc.tstr.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:ca14c809afbc4a9889fcb3591fc171e3@dmarc-reports.cloudflare.net

📬 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)

🔐 DNSSEC161ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2410187422
Primary NS (MNAME)	emerson.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

8039ms

A

93ms

MX

85ms

AAAA

74ms

TXT

377ms

CAA

86ms

HTTPS

73ms

TLSA

162ms

SOA

0ms

MTA-STS

67ms

DNSSEC

161ms

SRV

124ms

Total

8797ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-19 05:29:13	4118ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-08-06 13:22:37	1245ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-07-22 10:39:14	8797ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-07-17 13:00:02	1364ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-06-28 21:21:06	962ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-06-20 09:14:17	2817ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-06-18 03:17:16	2637ms	2 NS 0 A 2 MX	🔒 Secure	View