testmailserver.dk DNS records

🖥️ Nameservers2 records 49ms

Nameserver	IP addresses	PTR	ASN / ISP
terin.ns.cloudflare.com	108.162.193.236 172.64.33.236 173.245.59.236 2606:4700:58::adf5:3bec 2803:f800:50::6ca2:c1ec 2a06:98c1:50::ac40:21ec	terin.ns.cloudflare.com terin.ns.cloudflare.com terin.ns.cloudflare.com terin.ns.cloudflare.com terin.ns.cloudflare.com terin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
vida.ns.cloudflare.com	108.162.192.236 172.64.32.236 173.245.58.236 2606:4700:50::adf5:3aec 2803:f800:50::6ca2:c0ec 2a06:98c1:50::ac40:20ec	vida.ns.cloudflare.com vida.ns.cloudflare.com vida.ns.cloudflare.com vida.ns.cloudflare.com vida.ns.cloudflare.com vida.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
104.21.79.193	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.171.4	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records3 records 55ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	mail.awork.dk	54.36.54.85	mail.awork.dk	AS16276 OVH SAS
5	300s	alt1.mymailcheap.com	51.83.107.245	alt1.mymailcheap.com	AS16276 OVH SAS
10	300s	alt2.mymailcheap.com	158.69.83.225	alt2.mymailcheap.com	AS16276 OVH SAS

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	172.67.171.4
🔶 Autoconfig	172.67.171.4

🔷 AAAA Records (IPv6)2 records 68ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:4fc1	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:ab04	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 48ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.79.193,172.67.171.4 ech=AEX+DQBB7gAgACBJTfPrZ2jCuFd4HBXXw+B1+cpGfFNtc8NeRC/5OpY/KAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:4fc1,2606:4700:3033::ac43:ab04

📝 TXT Records2 records 210ms

TXT Record
nms-domain-verification=123877645517
v=spf1 mx include:_spf.mymailcheap.com -all

✉️ SPF

Policy	Record (testmailserver.dk)
-all (hard fail)	v=spf1 mx include:_spf.mymailcheap.com -all

📨 DMARC

Policy	Record (_dmarc.testmailserver.dk)
p=reject	v=DMARC1; p=reject; pct=100

📬 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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.testmailserver.dk	cWBRvyXHwmtRpAT2FtzyP3dE7uAJZuLOh6dgQQzS4Dg

🔗 TLSA / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC86ms

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	2411462311
Primary NS (MNAME)	terin.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

49ms

A

59ms

MX

55ms

AAAA

68ms

TXT

210ms

CAA

55ms

HTTPS

48ms

TLSA

130ms

SOA

0ms

MTA-STS

80ms

DNSSEC

86ms

SRV

76ms

Total

1784ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 04:29:14	9859ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-08-26 12:56:38	1020ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-08-07 10:49:41	1784ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-07-16 02:38:43	2158ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-06-25 04:20:13	1798ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-06-21 17:44:46	696ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-06-17 14:40:59	1444ms	2 NS 2 A 3 MX	🔓 Insecure	View