markfender.dev - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status

markfender.dev

DNSSEC⚠️ Not signed
A76.76.21.21🇺🇸 Amazon76.76.21.0/24 EC2 Prefix
NSns1.websupport.sk
A2a10:bbc0::11🇨🇿 ACTIVE24-AS2a10:bbc0::/32
PTRns1.websupport.eu
A45.10.97.11🇨🇿 ACTIVE24-AS45.10.97.0/24
PTRns1.websupport.eu
NSns2.websupport.sk
A2a02:250:3::12🇸🇪 ACTIVE24-AS2a02:250:3::/48
PTRns2.websupport.eu
A185.71.159.12🇸🇪 ACTIVE24-AS185.71.159.0/24
PTRns2.websupport.eu
NSns3.websupport.sk
A2a10:bbc0::13🇨🇿 ACTIVE24-AS2a10:bbc0::/32
PTRns3.websupport.eu
A45.10.97.13🇨🇿 ACTIVE24-AS45.10.97.0/24
PTRns3.websupport.eu
MXmx10.websupport.sk
A2a00:4b40:aaaa:2101:45:13:137:78🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32
PTRm1-u8-mx.websupport.sk
A2a00:4b40:aaaa:2101:45:13:137:79🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32
PTRm1-u9-mx.websupport.sk
A2a00:4b40:aaaa:2101:45:13:137:109🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32
PTRm1-u5-mx.websupport.sk
A2a00:4b40:aaaa:2101:45:13:137:110🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32
PTRm1-u6-mx.websupport.sk
A2a00:4b40:aaaa:2101:45:13:137:111🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32
PTRm1-u7-mx.websupport.sk
A45.13.137.78🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24
PTRm1-u8-mx.websupport.sk
A45.13.137.79🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24
PTRm1-u9-mx.websupport.sk
A45.13.137.109🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24
PTRm1-u5-mx.websupport.sk
A45.13.137.110🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24
PTRm1-u6-mx.websupport.sk
A45.13.137.111🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24
PTRm1-u7-mx.websupport.sk
MXmx20.websupport.sk(100)
A2a00:4b40:aaaa:2101:45:13:137:78🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32
PTRm1-u8-mx.websupport.sk
A2a00:4b40:aaaa:2101:45:13:137:79🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32
PTRm1-u9-mx.websupport.sk
A2a00:4b40:aaaa:2101:45:13:137:109🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32
PTRm1-u5-mx.websupport.sk
A2a00:4b40:aaaa:2101:45:13:137:110🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32
PTRm1-u6-mx.websupport.sk
A2a00:4b40:aaaa:2101:45:13:137:111🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32
PTRm1-u7-mx.websupport.sk
A45.13.137.78🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24
PTRm1-u8-mx.websupport.sk
A45.13.137.79🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24
PTRm1-u9-mx.websupport.sk
A45.13.137.109🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24
PTRm1-u5-mx.websupport.sk
A45.13.137.110🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24
PTRm1-u6-mx.websupport.sk
A45.13.137.111🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24
PTRm1-u7-mx.websupport.sk
SOAns1.websupport.skadmin@websupport.sk serial=1706193800

dev

DNSSEC🔒 Signed (DS record present)
NSns-tld1.charlestonroadregistry.com
NSns-tld2.charlestonroadregistry.com
NSns-tld3.charlestonroadregistry.com
NSns-tld4.charlestonroadregistry.com
NSns-tld5.charlestonroadregistry.com
SOAns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1
🔒 HSTS Preload (+subdomains)

Same first word

Similar names

Previous names

Next names

DNS History

6 records (6 active, 0 former)

NSns1.websupport.skns2.websupport.skns3.websupport.skMXmx10.websupport.skmx20.websupport.skA76.76.21.21
NSns1.websupport.sk2026-08-26 → 2026-09-20 · 2 obs
● 2026-08-26 02:09:18
● 2026-09-20 02:30:12
NSns2.websupport.sk2026-08-26 → 2026-09-20 · 2 obs
● 2026-08-26 02:09:18
● 2026-09-20 02:30:12
NSns3.websupport.sk2026-08-26 → 2026-09-20 · 2 obs
● 2026-08-26 02:09:18
● 2026-09-20 02:30:12
MXmx10.websupport.sk2026-08-26 → 2026-09-20 · 2 obs
● 2026-08-26 02:09:18
● 2026-09-20 02:30:12
MXmx20.websupport.sk2026-08-26 → 2026-09-20 · 2 obs
● 2026-08-26 02:09:18
● 2026-09-20 02:30:12
A76.76.21.212026-08-26 → 2026-09-20 · 2 obs
● 2026-08-26 02:09:18
● 2026-09-20 02:30:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...-
markfender.devns3.websupport.sk, ns1.websupport.sk, ns2.websupport.sk-

✅ Authoritative Response

Server:185.71.159.12

NS records: ns3.websupport.sk, ns1.websupport.sk, ns2.websupport.sk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for markfender.dev (unsigned zone)

⏱️ Timing

Total: 1199ms | Queries: -

📄 Records

TypeCountSample Data
A176.76.21.21
NS3ns1.websupport.sk, ns2.websupport.sk...
MX2mx10.websupport.sk (pri: 10), mx20.websupport.sk (pri: 100)
SOA1ns1.websupport.sk admin.websupport.sk

Analysis

IP Addresses

markfender.dev points to a single IP number: 76.76.21.21.

Additional host names — praeses.dev, maacheharelectronic.shop, honadu.cn and two others — share IP numbers with markfender.dev.

Name Servers

DNS for markfender.dev is handled by three authoritative name servers: ns1.websupport.sk, ns2.websupport.sk and ns3.websupport.sk.

At least some of markfender.dev's name servers are shared with other domains, for example rmwdata.sk, corteon.work, msstyle.sk and two more.

Three hostnames — ns1.websupport.sk, ns2.websupport.sk and ns3.websupport.sk — each have two IP addresses: ns1.websupport.sk has 45.10.97.11 and 2a10:bbc0::11, ns2.websupport.sk has 185.71.159.12 and 2a02:250:3::12, and ns3.websupport.sk has 45.10.97.13 and 2a10:bbc0::13.

Mail Servers

markfender.dev has two mail servers: mx10.websupport.sk and mx20.websupport.sk.

markfender.dev shares the same mail server setup as other domains, including cortgradina.ro, durisroman.sk, lodex.sk and two others.

markfender.dev overlaps on mail servers with certain other domains, iushub.sk among them.

Host names with 10 IP numbers:

mx10.websupport.sk has IP addresses 45.13.137.78, 45.13.137.79 and 45.13.137.109, plus 7 other.

mx20.websupport.sk has IP addresses 45.13.137.78, 45.13.137.79 and 45.13.137.109, plus 7 other.

Host names pointing to 2a00:4b40:aaaa:2101:45:13:137:78 IP addresses: mx10.websupport.sk and mx20.websupport.sk.

Host names pointing to 2a00:4b40:aaaa:2101:45:13:137:79 IP addresses: mx10.websupport.sk and mx20.websupport.sk.

Host names pointing to 2a00:4b40:aaaa:2101:45:13:137:109 IP addresses: mx10.websupport.sk and mx20.websupport.sk.

Host names pointing to 2a00:4b40:aaaa:2101:45:13:137:110 IP addresses: mx10.websupport.sk and mx20.websupport.sk.

Host names pointing to 2a00:4b40:aaaa:2101:45:13:137:111 IP addresses: mx10.websupport.sk and mx20.websupport.sk.

Host names pointing to 45.13.137.78 IP addresses: mx10.websupport.sk and mx20.websupport.sk.

Host names pointing to 45.13.137.79 IP addresses: mx10.websupport.sk and mx20.websupport.sk.

Host names pointing to 45.13.137.109 IP addresses: mx10.websupport.sk and mx20.websupport.sk.

Host names pointing to 45.13.137.110 IP addresses: mx10.websupport.sk and mx20.websupport.sk.

Host names pointing to 45.13.137.111 IP addresses: mx10.websupport.sk and mx20.websupport.sk.