ext.dk DNS records

🖥️ Nameservers2 records 223ms

Nameserver	IP addresses	PTR	ASN / ISP
joan.ns.cloudflare.com	108.162.192.173 172.64.32.173 173.245.58.173 2606:4700:50::adf5:3aad 2803:f800:50::6ca2:c0ad 2a06:98c1:50::ac40:20ad	joan.ns.cloudflare.com joan.ns.cloudflare.com joan.ns.cloudflare.com joan.ns.cloudflare.com joan.ns.cloudflare.com joan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
leo.ns.cloudflare.com	108.162.195.241 162.159.44.241 172.64.35.241 2606:4700:58::a29f:2cf1 2803:f800:50::6ca2:c3f1 2a06:98c1:50::ac40:23f1	leo.ns.cloudflare.com leo.ns.cloudflare.com leo.ns.cloudflare.com leo.ns.cloudflare.com leo.ns.cloudflare.com leo.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 296ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.36.163	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.196.251	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records5 records 314ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	aspmx.l.google.com	142.250.147.26 2a00:1450:4010:c1e::1a	rd-in-f26.1e100.net lb-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	300s	alt1.aspmx.l.google.com	192.178.211.27 2404:6800:4000:1025::1a	lcbomp-in-f27.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	300s	alt2.aspmx.l.google.com	108.177.125.27 2404:6800:4008:c01::1a	tp-in-f27.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	300s	aspmx2.googlemail.com	172.253.158.26 2404:6800:4000:1025::1a	so-in-f26.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	300s	aspmx3.googlemail.com	108.177.125.27 2404:6800:4003:c26::1a	tp-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)2 records 324ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a06:98c1:3120::1	300s	—	AS13335	Cloudflare, Inc.	2a06:98c1:3120:0:0:0:0:0/46	—	—
2a06:98c1:3121::1	300s	—	AS13335	Cloudflare, Inc.	2a06:98c1:3120:0:0:0:0:0/46	—	—

🔐 HTTPS Records1 records 316ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.36.163,172.67.196.251 ech=AEX+DQBBSwAgACDTH0dO93KIbPZYAycK7ldErPVzWNPCBLxALbPI6FMxdQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:24a3,2606:4700:3037::ac43:c4fb

📝 TXT Records1 records 592ms

TXT Record
v=spf1 include:_spf.mailersend.net ~all

✉️ SPF

Policy	Record (ext.dk)
~all (soft fail)	v=spf1 include:_spf.mailersend.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)

🔐 DNSSEC465ms

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

🏷️ SOA311ms

Field	Value
Serial	2406791618
Primary NS (MNAME)	joan.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

223ms

A

296ms

MX

314ms

AAAA

324ms

TXT

592ms

CAA

252ms

HTTPS

316ms

TLSA

500ms

SOA

311ms

MTA-STS

337ms

DNSSEC

465ms

SRV

341ms

Total

3288ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-29 03:48:47	1745ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-08-27 00:11:01	737ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-08-07 03:39:38	1935ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-07-19 20:08:38	1487ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-06-27 21:58:30	993ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-06-21 08:22:23	3288ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-06-19 23:19:23	2702ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-06-17 09:10:07	1492ms	2 NS 2 A 5 MX	🔓 Insecure	View