rentco.dk

📜 Historical scan 2026-06-18 06:00:34 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rentco.dk is a .dk domain served by 3 nameservers (alfa.crocodille.com, beta.crocodille.com, gama.crocodille.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 90.64.252.250 is hosted by Orange Slovensko a.s. (AS15962) in Slovakia. Mail is handled by mail.crocodille.cz. The zone is DNSSEC-signed but currently fails validation, publishes a DMARC policy and has no IPv6 address. 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#

3 records 97ms

Nameserver	IP addresses	PTR	ASN / ISP
alfa.crocodille.com	5.178.52.115	alfa.inver.sk	AS15962 Orange Slovensko a.s.
beta.crocodille.com	90.64.252.226	beta.inver.sk	AS15962 Orange Slovensko a.s.
gama.crocodille.com	185.110.142.52	—	AS34820 DELTA ONLINE spol. s r.o.

🌍 A Records#

1 records 94ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
90.64.252.250	—	—	AS15962	Orange Slovensko a.s.	90.64.0.0/16	🇸🇰 Slovakia	Bratislava

📧 MX Records#

1 records 102ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mail.crocodille.cz	93.99.172.164	mail.crocodille.cz	AS16019 Vodafone Czech Republic a.s.

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	posta.crocodille.cz → 93.99.172.165

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

2 records 268ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	posta.crocodille.cz
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

1 records 486ms

TXT Record
v=spf1 mx ip4:195.47.16.250/30 ip4:193.85.203.74/30 ip4:194.149.119.176/29 ip4:62.84.153.105/29 ip4:46.28.111.199 ip4:185.219.169.150/32 a:rentco.inver.sk ip4:95.80.223.74 ip4:90.64.252.248 include:spf.eu.signature365.net include:spf.protection.outlook.com a:mail.crocodille.com ~all

✉️ SPF#

Policy	Record (rentco.dk)
~all (soft fail)	v=spf1 mx ip4:195.47.16.250/30 ip4:193.85.203.74/30 ip4:194.149.119.176/29 ip4:62.84.153.105/29 ip4:46.28.111.199 ip4:185.219.169.150/32 a:rentco.inver.sk ip4:95.80.223.74 ip4:90.64.252.248 include:spf.eu.signature365.net include:spf.protection.outlook.com a:mail.crocodille.com ~all

📨 DMARC#

Policy	Record (_dmarc.rentco.dk)
p=none (monitor only)	v=DMARC1; p=none

📬 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 2026-10-08 07:02:36

www CNAME	rentco.dk (all on rentco.dk) → 90.64.252.250 (AS15962)
www vs bare domain	Same network rentco.dk: 90.64.252.250 (AS15962) www.rentco.dk: 90.64.252.250 (AS15962)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

261ms

Check	Result
Validation Status	⚠️ Bogus
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	broken trust chain resolving 'rentco.dk/A/IN': 127.0.0.1#53

🏷️ SOA#

90ms

Field	Value
Serial	2023111701
Primary NS (MNAME)	alfa.crocodille.com
Responsible (RNAME)	root@inver.sk
Refresh	43200s
Retry	7200s
Expire	2419200s
Minimum (neg-cache TTL)	10800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

97ms

94ms

102ms

AAAA

89ms

TXT

486ms

CAA

88ms

HTTPS

72ms

TLSA

325ms

SOA

90ms

MTA-STS

139ms

DNSSEC

261ms

SRV

268ms

Total

1498ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-26 01:26:26	10830ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-07 11:50:01	10779ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-30 15:46:40	1806ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-27 15:25:50	1760ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-20 17:38:26	2599ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-19 14:09:05	2480ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-18 06:00:34 shown	1498ms	3 NS 1 A 1 MX	⚠️ Bogus