rentco.dk

📜 Historical scan 2026-06-30 15:46:40  ·  ← 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 not DNSSEC-signed, 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   78ms
NameserverIP addressesPTRASN / 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   76ms
IPTTLPTRASNISP / OrgCIDRCountryCity
90.64.252.250 3600s — AS15962 Orange Slovensko a.s. 90.64.0.0/16 🇸🇰 Slovakia Bratislava

📧 MX Records#

1 records   75ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mail.crocodille.cz 93.99.172.164 mail.crocodille.cz AS16019 Vodafone Czech Republic a.s.

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverposta.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   166ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 0 443 posta.crocodille.cz
_sipfederationtls._tcp 100 1 5061 sipfed.online.lync.com

📝 TXT Records#

1 records   509ms
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#

PolicyRecord (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#

PolicyRecord (_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 CNAMErentco.dk (all on rentco.dk)
www vs bare domainSame network
rentco.dk: 90.64.252.250 (AS15962)
www.rentco.dk: 90.64.252.250 (AS15962)
WildcardNo

🔎 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#

95ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

64ms
FieldValue
Serial2023111701
Primary NS (MNAME)alfa.crocodille.com
Responsible (RNAME)root@inver.sk
Refresh43200s
Retry7200s
Expire2419200s
Minimum (neg-cache TTL)10800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup
📋 WHOIS#

⏱️ Lookup Timing#

NS
78ms
A
76ms
MX
75ms
AAAA
76ms
TXT
509ms
CAA
75ms
HTTPS
74ms
TLSA
366ms
SOA
64ms
MTA-STS
127ms
DNSSEC
95ms
SRV
166ms
Total
1806ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
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 shown 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 1498ms 3 NS 1 A 1 MX ⚠️ Bogus
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