mustang.dk DNS records

🖥️ Nameservers2 records 35ms

Nameserver	IP addresses	PTR	ASN / ISP
alec.ns.cloudflare.com	108.162.193.59 172.64.33.59 173.245.59.59 2606:4700:58::adf5:3b3b 2803:f800:50::6ca2:c13b 2a06:98c1:50::ac40:213b	alec.ns.cloudflare.com alec.ns.cloudflare.com alec.ns.cloudflare.com alec.ns.cloudflare.com alec.ns.cloudflare.com alec.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
eleanor.ns.cloudflare.com	108.162.194.205 162.159.38.205 172.64.34.205 2606:4700:50::a29f:26cd 2803:f800:50::6ca2:c2cd 2a06:98c1:50::ac40:22cd	eleanor.ns.cloudflare.com eleanor.ns.cloudflare.com eleanor.ns.cloudflare.com eleanor.ns.cloudflare.com eleanor.ns.cloudflare.com eleanor.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 52ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.12.52	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.193.173	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records5 records 81ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	173.194.73.26 2a00:1450:4010:c1e::1b	lq-in-f26.1e100.net lb-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt2.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1a	mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	300s	alt3.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1b	so-in-f26.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	alt4.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1a	tp-in-f26.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	172.67.193.173
🔶 Autoconfig	104.21.12.52

🔷 AAAA Records (IPv6)2 records 42ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:c34	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:c1ad	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 60ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.12.52,172.67.193.173 ech=AEX+DQBB8gAgACDBlaShUNszepVlr+fR4WskQoMKgriqZm6u9xrVV0BFJAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:c34,2606:4700:3037::ac43:c1ad

📝 TXT Records1 records 239ms

TXT Record
v=spf1 +mx +a +ip4:213.165.247.136 +include:relay.mailchannels.net ~all

✉️ SPF

Policy	Record (mustang.dk)
~all (soft fail)	v=spf1 +mx +a +ip4:213.165.247.136 +include:relay.mailchannels.net ~all

📨 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	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2411129065
Primary NS (MNAME)	alec.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

35ms

A

52ms

MX

81ms

AAAA

42ms

TXT

239ms

CAA

57ms

HTTPS

60ms

TLSA

144ms

SOA

0ms

MTA-STS

86ms

DNSSEC

139ms

SRV

119ms

Total

1273ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 10:08:39	1273ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-08-04 05:18:20	1552ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-07-22 12:45:41	1681ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-06-20 14:45:24	692ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-06-18 06:59:59	1279ms	2 NS 2 A 5 MX	🔓 Insecure	View