rentacow.dk

📜 Historical scan 2026-06-22 21:57:27 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rentacow.dk is a .dk domain served by 2 nameservers (elma.ns.cloudflare.com, jaziel.ns.cloudflare.com). It was registered on 20 March 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.68.95 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by shandy.hostns.io, mx1.spamfiltering.io and 1 more. 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 36ms

Nameserver	IP addresses	PTR	ASN / ISP
elma.ns.cloudflare.com	108.162.192.154 172.64.32.154 173.245.58.154 2606:4700:50::adf5:3a9a 2803:f800:50::6ca2:c09a 2a06:98c1:50::ac40:209a	elma.ns.cloudflare.com elma.ns.cloudflare.com elma.ns.cloudflare.com elma.ns.cloudflare.com elma.ns.cloudflare.com elma.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
jaziel.ns.cloudflare.com	108.162.195.55 162.159.44.55 172.64.35.55 2606:4700:58::a29f:2c37 2803:f800:50::6ca2:c337 2a06:98c1:50::ac40:2337	jaziel.ns.cloudflare.com jaziel.ns.cloudflare.com jaziel.ns.cloudflare.com jaziel.ns.cloudflare.com jaziel.ns.cloudflare.com jaziel.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 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.68.95	600s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.192.191	600s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

3 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	600s	shandy.hostns.io	91.204.209.32	shandy.hostns.io	AS52148 Enix Ltd
10	600s	mx1.spamfiltering.io	109.70.148.25 176.9.100.171 195.206.165.141	spamexperts-03.hostns.io static.171.100.9.176.clients.your-server.de 141.165.206.195.baremetal.zare.com	AS25369 Hydra Communications Ltd AS24940 Hetzner Online GmbH AS25369 Hydra Communications Ltd
20	600s	mx2.spamfiltering.io	109.70.148.25 176.9.100.171 195.206.165.141	spamexperts-03.hostns.io static.171.100.9.176.clients.your-server.de 141.165.206.195.baremetal.zare.com	AS25369 Hydra Communications Ltd AS24940 Hetzner Online GmbH AS25369 Hydra Communications Ltd

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.68.95
🔶 Autoconfig	188.114.96.1

🔷 AAAA Records (IPv6)#

2 records 65ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a06:98c1:3120::1	600s	—	AS13335	Cloudflare, Inc.	2a06:98c1:3120:0:0:0:0:0/46	—	—
2a06:98c1:3121::1	600s	—	AS13335	Cloudflare, Inc.	2a06:98c1:3120:0:0:0:0:0/46	—	—

🔐 HTTPS Records#

1 records 40ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.68.95,172.67.192.191 ech=AEX+DQBB+QAgACCLWpSvAIFyohc3OUz6IkX2zLjZvgwV5XirYBFdcay/AQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:c0bf,2606:4700:3035::6815:445f

🔌 SRV Records#

1 records 182ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	cpanelemaildiscovery.cpanel.net

📝 TXT Records#

2 records 190ms

TXT Record
ca3-9ed3db18e6d3400ba65b4a0b46c16ae9
v=spf1 ip4:91.204.209.32 +a +mx +include:relay.mailchannels.net -all

✉️ SPF#

Policy	Record (rentacow.dk)
-all (hard fail)	v=spf1 ip4:91.204.209.32 +a +mx +include:relay.mailchannels.net -all

📨 DMARC#

Policy	Record (_dmarc.rentacow.dk)
p=quarantine	v=DMARC1;p=quarantine;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400

📬 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 02:36:31

www	104.21.68.95 172.67.192.191 2606:4700:3030::ac43:c0bf 2606:4700:3032::6815:445f (AS13335) (address records, no CNAME)
www vs bare domain	Same network rentacow.dk: 104.21.68.95 172.67.192.191 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335) www.rentacow.dk: 104.21.68.95 172.67.192.191 2606:4700:3030::ac43:c0bf 2606:4700:3032::6815:445f (AS13335)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	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: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

86ms

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

🏷️ SOA#

32ms

Field	Value
Serial	2406796347
Primary NS (MNAME)	elma.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-24 15:16:12

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2013-03-20
Expires	2027-03-31 (157d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

36ms

41ms

36ms

AAAA

65ms

TXT

190ms

CAA

41ms

HTTPS

40ms

TLSA

220ms

SOA

32ms

MTA-STS

40ms

DNSSEC

86ms

SRV

182ms

Total

1168ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-10 02:36:31	2960ms	2 NS 2 A 3 MX	🔓 Insecure
2026-10-01 23:01:55	6310ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-24 21:27:39	4785ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-23 11:36:24	2171ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-05 04:35:12	1153ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-11 06:56:52	1758ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-08 04:01:26	5435ms	2 NS 2 A 3 MX	🔓 Insecure
2026-07-23 08:51:37	2010ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-22 21:57:27 shown	1168ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-19 11:02:54	3039ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-17 16:51:40	1399ms	2 NS 2 A 3 MX	⚠️ Bogus