visblue.dk

📜 Historical scan 2026-09-30 06:28:29 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

visblue.dk is a .dk domain served by 2 nameservers (alex.ns.cloudflare.com, etta.ns.cloudflare.com). It was registered on 20 February 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 198.202.211.1 is hosted by Cloudflare London, LLC (AS209242) in United States. Mail is handled by mx.simply.com. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 45ms

Nameserver	IP addresses	PTR	ASN / ISP
alex.ns.cloudflare.com	108.162.193.100 172.64.33.100 173.245.59.100 2606:4700:58::adf5:3b64 2803:f800:50::6ca2:c164 2a06:98c1:50::ac40:2164	alex.ns.cloudflare.com alex.ns.cloudflare.com alex.ns.cloudflare.com alex.ns.cloudflare.com alex.ns.cloudflare.com alex.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
etta.ns.cloudflare.com	108.162.192.156 172.64.32.156 173.245.58.156 2606:4700:50::adf5:3a9c 2803:f800:50::6ca2:c09c 2a06:98c1:50::ac40:209c	etta.ns.cloudflare.com etta.ns.cloudflare.com etta.ns.cloudflare.com etta.ns.cloudflare.com etta.ns.cloudflare.com etta.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 40ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
198.202.211.1	300s	—	AS209242	Cloudflare London, LLC	198.202.211.0/24	🇺🇸 United States	—

📧 MX Records#

1 records 51ms

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	172.67.157.205

🔷 AAAA Records (IPv6)#

1 records 56ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2620:cb:2000::1	300s	—	AS13335	Cloudflare, Inc.	2620:cb:2000:0:0:0:0:0/48	🇺🇸 United States	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 83ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	maildiscover.simply.com

📝 TXT Records#

2 records 151ms

TXT Record
google-site-verification=hdGSNmXEd7lrSxVuPG96epvqNkCKtH0Zw5To8QLA3Ec
v=spf1 include:spf.simply.com -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.visblue.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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-10 01:39:04

www CNAME	cdn.webflow.com (all on webflow.com) → 198.202.211.1 2620:cb:2000::1 (AS13335 AS209242)
www vs bare domain	Same network visblue.dk: 198.202.211.1 2620:cb:2000::1 (AS13335 AS209242) www.visblue.dk: 198.202.211.1 2620:cb:2000::1 (AS13335 AS209242)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

3 records 796ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	4B949F05A63FED95FC94B3A83DD70167…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	97A3BA009F39C761BFFB6574340E8138…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	A9D603AF4D7ED6B9246B4B68500CD6F2…

🔐 DNSSEC#

133ms

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

🏷️ SOA#

33ms

Field	Value
Serial	2416180810
Primary NS (MNAME)	alex.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-06 12:49:45

Field	Value
Registrar	Simply.com A/S
Registered	2019-02-20
Expires	2027-02-28 (134d)

📋 WHOIS#

⏱️ Lookup Timing#

45ms

40ms

51ms

AAAA

56ms

TXT

151ms

CAA

52ms

HTTPS

45ms

TLSA

796ms

SOA

33ms

MTA-STS

59ms

DNSSEC

133ms

SRV

83ms

Total

1394ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-06 12:31:26	3956ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-04 11:52:45	2044ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-03 06:47:42	1565ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-30 06:28:29 shown	1394ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-08 12:31:58	1617ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-30 03:31:17	1222ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-19 12:25:29	1540ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 18:20:50	4485ms	2 NS 1 A 1 MX	🔓 Insecure