cvrbasen.dk

📜 Historical scan 2026-07-02 00:04:09 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cvrbasen.dk is a .dk domain served by 2 nameservers (cecelia.ns.cloudflare.com, yichun.ns.cloudflare.com). It was registered on 4 November 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.85.15 is hosted by Cloudflare, Inc. (AS13335). 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 407ms

Nameserver	IP addresses	PTR	ASN / ISP
cecelia.ns.cloudflare.com	108.162.194.135 162.159.38.135 172.64.34.135 2606:4700:50::a29f:2687 2803:f800:50::6ca2:c287 2a06:98c1:50::ac40:2287	cecelia.ns.cloudflare.com cecelia.ns.cloudflare.com cecelia.ns.cloudflare.com cecelia.ns.cloudflare.com cecelia.ns.cloudflare.com cecelia.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
yichun.ns.cloudflare.com	108.162.193.248 172.64.33.248 173.245.59.248 2606:4700:58::adf5:3bf8 2803:f800:50::6ca2:c1f8 2a06:98c1:50::ac40:21f8	yichun.ns.cloudflare.com yichun.ns.cloudflare.com yichun.ns.cloudflare.com yichun.ns.cloudflare.com yichun.ns.cloudflare.com yichun.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 249ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.85.15	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.201.2	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 265ms

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 417ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:c902	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:550f	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 345ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.85.15,172.67.201.2 ech=AEX+DQBBFgAgACCqLV43FeUeqOjID2Vs0XGeDKt8eTBcGZ/6g0ITmkfYewAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:c902,2606:4700:3036::6815:550f

🔌 SRV Records#

1 records 410ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com

📝 TXT Records#

1 records 641ms

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

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.cvrbasen.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 22:08:45

www	NXDOMAIN
www vs bare domain	www does not resolve cvrbasen.dk: 104.21.85.15 172.67.201.2 2606:4700:3033::ac43:c902 2606:4700:3036::6815:550f (AS13335) www.cvrbasen.dk: no address (all like this)
Wildcard	No

✍️ DKIM keys#

2 found

Selector	CNAME	Key
s1	s1.domainkey.u26271767.wl018.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u26271767.wl018.sendgrid.net	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

2 records 365ms

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…

🔐 DNSSEC#

526ms

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

🏷️ SOA#

319ms

Field	Value
Serial	2406593256
Primary NS (MNAME)	cecelia.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 20:05:20

Field	Value
Registrar	Simply.com A/S
Registered	2024-11-04
Expires	2026-11-03 (15d)

📋 WHOIS#

⏱️ Lookup Timing#

407ms

249ms

265ms

AAAA

417ms

TXT

641ms

CAA

258ms

HTTPS

345ms

TLSA

365ms

SOA

319ms

MTA-STS

435ms

DNSSEC

526ms

SRV

410ms

Total

2381ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-06 19:40:57	7403ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-30 16:39:07	980ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-26 16:01:00	671ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-24 01:16:21	668ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-20 11:15:58	1629ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-01 04:55:46	743ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-09 13:50:32	1034ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-23 13:11:09	1606ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-02 00:04:09 shown	2381ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 23:26:39	476ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 23:20:43	491ms	2 NS 2 A 1 MX	🔓 Insecure