0xd.dk DNS records

🖥️ Nameservers2 records 74ms

Nameserver	IP addresses	PTR	ASN / ISP
clark.ns.cloudflare.com	108.162.193.87 172.64.33.87 173.245.59.87 2606:4700:58::adf5:3b57 2803:f800:50::6ca2:c157 2a06:98c1:50::ac40:2157	clark.ns.cloudflare.com clark.ns.cloudflare.com clark.ns.cloudflare.com clark.ns.cloudflare.com clark.ns.cloudflare.com clark.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
pearl.ns.cloudflare.com	108.162.194.140 162.159.38.140 172.64.34.140 2606:4700:50::a29f:268c 2803:f800:50::6ca2:c28c 2a06:98c1:50::ac40:228c	pearl.ns.cloudflare.com pearl.ns.cloudflare.com pearl.ns.cloudflare.com pearl.ns.cloudflare.com pearl.ns.cloudflare.com pearl.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 48ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.56.23	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.175.253	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 66ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx.simply.com	94.231.106.20	mx.simply.com	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)2 records 49ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:affd	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:3817	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 95ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.56.23,172.67.175.253 ech=AEX+DQBB/AAgACBaY3xXTjHGn020myaHmA0UDNM1FWVR3m9nS/VJiWGkRwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:affd,2606:4700:3037::6815:3817

📝 TXT Records1 records 279ms

TXT Record
v=spf1 include:spf.simply.com -all

✉️ SPF

Policy	Record (0xd.dk)
-all (hard fail)	v=spf1 include:spf.simply.com -all

📨 DMARC

Policy	Record (_dmarc.0xd.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;

📬 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 / DANE2 records 96ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	A9D603AF4D7ED6B9246B4B68500CD6F2…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	97A3BA009F39C761BFFB6574340E8138…

🔐 DNSSEC190ms

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

🏷️ SOA0ms

Field	Value
Serial	2413080049
Primary NS (MNAME)	clark.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

74ms

A

48ms

MX

66ms

AAAA

49ms

TXT

279ms

CAA

92ms

HTTPS

95ms

TLSA

96ms

SOA

0ms

MTA-STS

164ms

DNSSEC

190ms

SRV

133ms

Total

1001ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 21:00:52	1001ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-27 02:44:03	1064ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-26 02:04:07	960ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-20 08:42:32	6249ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-02 18:18:53	2475ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-08 21:42:36	902ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-06 23:56:23	1158ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-28 00:49:12	1464ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-23 23:03:16	883ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-16 12:33:45	4553ms	0 NS 2 A 0 MX	🔓 Insecure	View