agentmail.dk DNS records

🖥️ Nameservers2 records 33ms

Nameserver	IP addresses	PTR	ASN / ISP
david.ns.cloudflare.com	108.162.193.152 172.64.33.152 173.245.59.152 2606:4700:58::adf5:3b98 2803:f800:50::6ca2:c198 2a06:98c1:50::ac40:2198	david.ns.cloudflare.com david.ns.cloudflare.com david.ns.cloudflare.com david.ns.cloudflare.com david.ns.cloudflare.com david.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
katja.ns.cloudflare.com	108.162.194.53 162.159.38.53 172.64.34.53 2606:4700:50::a29f:2635 2803:f800:50::6ca2:c235 2a06:98c1:50::ac40:2235	katja.ns.cloudflare.com katja.ns.cloudflare.com katja.ns.cloudflare.com katja.ns.cloudflare.com katja.ns.cloudflare.com katja.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 59ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.71.184	600s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.147.251	600s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 75ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	inbound-smtp.us-east-1.amazonaws.com	3.211.210.226 44.206.9.87 44.210.166.32 54.164.173.191 54.197.5.236	ec2-3-211-210-226.compute-1.amazonaws.com ec2-44-206-9-87.compute-1.amazonaws.com ec2-44-210-166-32.compute-1.amazonaws.com ec2-54-164-173-191.compute-1.amazonaws.com ec2-54-197-5-236.compute-1.amazonaws.com	AS14618 Amazon.com, Inc. AS14618 Amazon.com, Inc. AS14618 Amazon.com, Inc. AS14618 Amazon.com, Inc. AS14618 Amazon.com, Inc.

🔷 AAAA Records (IPv6)2 records 38ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:47b8	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:93fb	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 33ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.71.184,172.67.147.251 ech=AEX+DQBBXwAgACBLKUEN2NWWhuU5aMH7rjU3MAP7W8ybI3i+dAH+QE1FWQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:47b8,2606:4700:3035::ac43:93fb

📝 TXT Records

📝

No TXT records found

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 DMARC

Policy	Record (_dmarc.agentmail.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@agentmail.dk

📬 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)

🔐 DNSSEC76ms

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

🏷️ SOA32ms

Field	Value
Serial	2405939040
Primary NS (MNAME)	david.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

33ms

A

59ms

MX

75ms

AAAA

38ms

TXT

231ms

CAA

65ms

HTTPS

33ms

TLSA

165ms

SOA

32ms

MTA-STS

59ms

DNSSEC

76ms

SRV

69ms

Total

751ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 14:23:25	1993ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-28 21:46:23	10157ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-11 17:33:28	2864ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-25 22:30:00	1089ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-20 13:02:07	751ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-16 13:20:20	2797ms	2 NS 2 A 1 MX	🔓 Insecure	View