rentco.dk

📜 Historical scan 2026-06-20 17:38:26  ·  ← 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   255ms
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   150ms
IPTTLPTRASNISP / OrgCIDRCountryCity
90.64.252.250 3600s — AS15962 Orange Slovensko a.s. 90.64.0.0/16 🇸🇰 Slovakia Bratislava

📧 MX Records#

1 records   149ms
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   342ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 0 443 posta.crocodille.cz
_sipfederationtls._tcp 100 1 5061 sipfed.online.lync.com

📝 TXT Records#

1 records   919ms
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#

334ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

136ms
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
255ms
A
150ms
MX
149ms
AAAA
142ms
TXT
919ms
CAA
191ms
HTTPS
154ms
TLSA
385ms
SOA
136ms
MTA-STS
143ms
DNSSEC
334ms
SRV
342ms
Total
2599ms

🕐 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 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 shown 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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