vizible.dk DNS records

🖥️ Nameservers2 records 110ms

Nameserver	IP addresses	PTR	ASN / ISP
harleigh.ns.cloudflare.com	108.162.194.58 162.159.38.58 172.64.34.58 2606:4700:50::a29f:263a 2803:f800:50::6ca2:c23a 2a06:98c1:50::ac40:223a	harleigh.ns.cloudflare.com harleigh.ns.cloudflare.com harleigh.ns.cloudflare.com harleigh.ns.cloudflare.com harleigh.ns.cloudflare.com harleigh.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
mitch.ns.cloudflare.com	108.162.193.208 172.64.33.208 173.245.59.208 2606:4700:58::adf5:3bd0 2803:f800:50::6ca2:c1d0 2a06:98c1:50::ac40:21d0	mitch.ns.cloudflare.com mitch.ns.cloudflare.com mitch.ns.cloudflare.com mitch.ns.cloudflare.com mitch.ns.cloudflare.com mitch.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 61ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.73.36	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.157.115	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 75ms

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	104.21.73.36
🔶 Autoconfig	172.67.157.115

🔷 AAAA Records (IPv6)2 records 68ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:4924	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:9d73	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 73ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.73.36,172.67.157.115 ech=AEX+DQBBAQAgACCmE08AFi8wj8zkVCYeEKkHTSWCakI5+RhKNOfGMHA4TgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:4924,2606:4700:3037::ac43:9d73

📝 TXT Records1 records 339ms

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

✉️ SPF

Policy	Record (vizible.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 97ms

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

🔐 DNSSEC172ms

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	2412498888
Primary NS (MNAME)	harleigh.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

110ms

A

61ms

MX

75ms

AAAA

68ms

TXT

339ms

CAA

41ms

HTTPS

73ms

TLSA

97ms

SOA

0ms

MTA-STS

72ms

DNSSEC

172ms

SRV

146ms

Total

1044ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 18:01:21	1044ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-19 05:10:15	10151ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-22 19:16:48	2941ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-21 01:22:12	1166ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 08:41:10	672ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-19 22:55:08	617ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 14:24:36	2357ms	2 NS 2 A 1 MX	🔓 Insecure	View