rentacow.dk

📜 Historical scan 2026-08-11 06:56:52 · ← 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 62ms

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 46ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.68.95	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.192.191	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

3 records 56ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	300s	shandy.hostns.io	91.204.209.32	shandy.hostns.io	AS52148 Enix Ltd
10	300s	mx1.spamfiltering.io	109.70.148.25 176.9.100.171 195.206.165.141	25.148.70.109.baremetal.zare.com 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	300s	mx2.spamfiltering.io	109.70.148.25 176.9.100.171 195.206.165.141	25.148.70.109.baremetal.zare.com 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	172.67.192.191
🔶 Autoconfig	172.67.192.191

🔷 AAAA Records (IPv6)#

2 records 42ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:c0bf	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::6815:445f	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 45ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.68.95,172.67.192.191 ech=AEX+DQBBJAAgACC+zRqtYyb8M+l5xwOMcxnCDKmzJHZ34NfqtEW4JoSfVAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:c0bf,2606:4700:3032::6815:445f

🔌 SRV Records#

1 records 85ms

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

📝 TXT Records#

2 records 182ms

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#

93ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2411907948
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 (156d)

🔗 Same registrant#

1 domain

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).

Domain	Registrar
larsolofsson.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

62ms

46ms

56ms

AAAA

42ms

TXT

182ms

CAA

37ms

HTTPS

45ms

TLSA

240ms

SOA

0ms

MTA-STS

61ms

DNSSEC

93ms

SRV

85ms

Total

1758ms

🕐 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 shown	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	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