sonarsec.dk DNS records

🖥️ Nameservers2 records 53ms

Nameserver	IP addresses	PTR	ASN / ISP
decker.ns.cloudflare.com	108.162.195.155 162.159.44.155 172.64.35.155 2606:4700:58::a29f:2c9b 2803:f800:50::6ca2:c39b 2a06:98c1:50::ac40:239b	decker.ns.cloudflare.com decker.ns.cloudflare.com decker.ns.cloudflare.com decker.ns.cloudflare.com decker.ns.cloudflare.com decker.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
heidi.ns.cloudflare.com	108.162.194.236 162.159.38.236 172.64.34.236 2606:4700:50::a29f:26ec 2803:f800:50::6ca2:c2ec 2a06:98c1:50::ac40:22ec	heidi.ns.cloudflare.com heidi.ns.cloudflare.com heidi.ns.cloudflare.com heidi.ns.cloudflare.com heidi.ns.cloudflare.com heidi.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 104ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.58.155	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.161.122	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 104ms

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
🔷 Autodiscover	172.67.161.122
🔶 Autoconfig	104.21.58.155

🔷 AAAA Records (IPv6)2 records 59ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:3a9b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::ac43:a17a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 68ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.58.155,172.67.161.122 ech=AEX+DQBBeQAgACDUMnFOeqOh+LNZoh+qYaaHk6liQK7TnN0bAEXQWmVdNQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:3a9b,2606:4700:3032::ac43:a17a

📝 TXT Records1 records 178ms

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

✉️ SPF

Policy	Record (sonarsec.dk)
-all (hard fail)	v=spf1 include:spf.simply.com -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 / DANE2 records 106ms

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…

🔐 DNSSEC170ms

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	2410063909
Primary NS (MNAME)	decker.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

53ms

A

104ms

MX

104ms

AAAA

59ms

TXT

178ms

CAA

82ms

HTTPS

68ms

TLSA

106ms

SOA

0ms

MTA-STS

53ms

DNSSEC

170ms

SRV

116ms

Total

1399ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-20 23:20:16	1399ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-06 20:38:42	1161ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-23 14:35:24	1262ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-22 22:39:05	1154ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 20:38:01	946ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-19 05:49:35	979ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 15:21:19	911ms	2 NS 2 A 1 MX	🔓 Insecure	View