csharp.study - robtex.com

πŸ›‘οΈDomain Reputation CheckBlocklist, phishing & malware statusβ†’

csharp.study

DNSSEC⚠️ Not signed
A162.159.143.30Cloudflare162.159.128.0/19 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.66.3.26πŸ‡ΊπŸ‡Έ Cloudflare172.66.0.0/22 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSdns1.namecheaphosting.com ⭐
A2610:a1:1024::200πŸ‡ΊπŸ‡Έ MAINT-ID-120082610:a1:1024::/48 Neustar
PTRdns1.namecheaphosting.com
PTRdns1.registrar-servers.com
A156.154.132.200πŸ‡ΊπŸ‡Έ MAINT-ID-12008156.154.132.0/24 Neustar
PTRdns1.namecheaphosting.com
PTRdns1.registrar-servers.com
NSdns2.namecheaphosting.com
A2610:a1:1025::200πŸ‡ΊπŸ‡Έ MAINT-ID-120082610:a1:1025::/48 Neustar
PTRdns2.namecheaphosting.com
PTRdns2.registrar-servers.com
A156.154.133.200πŸ‡ΊπŸ‡Έ MAINT-ID-12008156.154.133.0/24 Neustar
PTRdns2.namecheaphosting.com
PTRdns2.registrar-servers.com
MXmx1-hosting.jellyfish.systems ⭐
A162.255.118.28πŸ‡ΊπŸ‡Έ NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES
PTRoxse3a.privateemail.com
MXmx2-hosting.jellyfish.systems(10)
A162.255.118.29πŸ‡ΊπŸ‡Έ NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES
PTRoxse2b.privateemail.com
MXmx3-hosting.jellyfish.systems(20)
A162.255.118.13πŸ‡ΊπŸ‡Έ NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES
PTRmx3-hosting.jellyfish.systems
TXTv=spf1 +a +mx +ip4:162.0.217.198 +ip4:162.0.217.205 include:spf.web-hosting.c...
SOAdns1.namecheaphosting.comcpanel@tech.namecheap.com serial=1789494797

study

DNSSECπŸ”’ Signed (DS record present)
NSa.nic.study ⭐
NSb.nic.study
NSc.nic.study
NSx.nic.study
NSy.nic.study
NSz.nic.study
SOAa.nic.studyadmin@tldns.godaddy serial=1789734614

Same first word

Similar names

Previous names

Next names

DNS History

8 records (7 active, 1 former)

NSdns1.namecheaphosting.comdns2.namecheaphosting.comMXmx1-hosting.jellyfish.systemsmx2-hosting.jellyfish.systemsmx3-hosting.jellyfish.systemsA162.159.143.30172.66.3.26162.0.217.209
●NSdns1.namecheaphosting.com2026-09-15 β†’ 2026-09-18 Β· 2 obs
● 2026-09-15 17:48:18
● 2026-09-18 13:36:00
●NSdns2.namecheaphosting.com2026-09-15 β†’ 2026-09-18 Β· 2 obs
● 2026-09-15 17:48:18
● 2026-09-18 13:36:00
●MXmx1-hosting.jellyfish.systems2026-09-15 β†’ 2026-09-18 Β· 2 obs
● 2026-09-15 17:48:18
● 2026-09-18 13:36:00
●MXmx2-hosting.jellyfish.systems2026-09-15 β†’ 2026-09-18 Β· 2 obs
● 2026-09-15 17:48:18
● 2026-09-18 13:36:00
●MXmx3-hosting.jellyfish.systems2026-09-15 β†’ 2026-09-18 Β· 2 obs
● 2026-09-15 17:48:18
● 2026-09-18 13:36:00
β—‹A162.0.217.2092026-09-15 β†’ 2026-09-15 Β· 3 obs
● 2026-09-15 17:48:18
β—‹ 2026-09-16 20:26:44
β—‹ 2026-09-18 13:36:00
●A162.159.143.302026-09-16 β†’ 2026-09-18 Β· 3 obs
β—‹ 2026-09-15 17:48:18
● 2026-09-16 20:26:44
● 2026-09-18 13:36:00
●A172.66.3.262026-09-16 β†’ 2026-09-18 Β· 3 obs
β—‹ 2026-09-15 17:48:18
● 2026-09-16 20:26:44
● 2026-09-18 13:36:00

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
studya.nic.study, b.nic.study, c.nic.study, x.nic.study...12 records
csharp.studydns1.namecheaphosting.com, dns2.namecheaphosting.com-

βœ… Authoritative Response

Server:156.154.132.200

NS records: dns1.namecheaphosting.com, dns2.namecheaphosting.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for csharp.study (unsigned zone)

⏱️ Timing

Total: 741ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A2172.66.3.26, 162.159.143.30
NS2dns1.namecheaphosting.com, dns2.namecheaphosting.com
MX3mx1-hosting.jellyfish.systems (pri: 5), mx2-hosting.jellyfish.systems (pri: 10)...
TXT1v=spf1 +a +mx +ip4:162.0.217.198 +ip4:16
SOA1dns1.namecheaphosting.com cpanel.tech.na

πŸ“Œ Glue Records Collected

Total: 12

In-bailiwick: 12 (a.nic.study, a.nic.study, b.nic.study...)

Analysis

IP Addresses

csharp.study points to the IP addresses 162.159.143.30 and 172.66.3.26

Among the host names that share IP numbers with csharp.study are zaher.click, montoyalawca.com, wrapup305.com and two others.

Name Servers

csharp.study is served by two delegated name servers, dns1.namecheaphosting.com and dns2.namecheaphosting.com.

csharp.study has the same name server delegation as a number of other domains, such as stoxwave.store, alejandrocs.it.com, renterupgrades.com and two more.

csharp.study has name servers in common with a number of other domains β€” med-ncku-edu.site, profvalue.com, jasonmartin.pro and halpalternative.com among them.

Each of the two host names carries two IP addresses: dns1.namecheaphosting.com points to 156.154.132.200 and 2610:a1:1024::200, and dns2.namecheaphosting.com points to 156.154.133.200 and 2610:a1:1025::200.

Mail Servers

Incoming mail for csharp.study is delivered via three mail servers: mx1-hosting.jellyfish.systems, mx2-hosting.jellyfish.systems and mx3-hosting.jellyfish.systems.

csharp.study shares at least some of its mail servers with other domains β€” for example meditechadvisor.com, rselectrical.shop, luckykaro.com and two more.

Three hostnames, one IP address apiece: mx1-hosting.jellyfish.systems resolves to 162.255.118.28, mx2-hosting.jellyfish.systems resolves to 162.255.118.29 and mx3-hosting.jellyfish.systems resolves to 162.255.118.13.