zstudy.co - robtex.com

zstudy.co

DNSSEC⚠️ Not signed
A3.171.38.41πŸ‡ΊπŸ‡Έ Amazon
PTRserver-3-171-38-41.iad61.r.cloudfront.net
A3.171.38.46πŸ‡ΊπŸ‡Έ Amazon
A3.171.38.61πŸ‡ΊπŸ‡Έ Amazon
A3.171.38.98πŸ‡ΊπŸ‡Έ Amazon
NSns-1258.awsdns-29.org ⭐
A2600:9000:5304:ea00::1πŸ‡ΊπŸ‡Έ Amazon
PTRns-1258.awsdns-29.org
A205.251.196.234πŸ‡ΊπŸ‡Έ Amazon
PTRns-1258.awsdns-29.org
NSns-1728.awsdns-24.co.uk
A2600:9000:5306:c000::1πŸ‡ΊπŸ‡Έ Amazon
PTRns-1728.awsdns-24.co.uk
A205.251.198.192πŸ‡ΊπŸ‡Έ Amazon
PTRns-1728.awsdns-24.co.uk
NSns-373.awsdns-46.com
A2600:9000:5301:7500::1πŸ‡ΊπŸ‡Έ Amazon
PTRns-373.awsdns-46.com
A205.251.193.117πŸ‡ΊπŸ‡Έ Amazon
PTRns-373.awsdns-46.com
NSns-652.awsdns-17.net
A2600:9000:5302:8c00::1πŸ‡ΊπŸ‡Έ Amazon
PTRns-652.awsdns-17.net
A205.251.194.140πŸ‡ΊπŸ‡Έ Amazon
PTRns-652.awsdns-17.net
MXmx2.zoho.com ⭐
A136.143.183.44πŸ‡ΊπŸ‡Έ ZohoAS
PTRmx2.zoho.com
PTRmx3.zoho.com
PTRmx.zoho.com
PTRmx2.zohomail.com
PTRmx3.zohomail.com
PTRmx.zohomail.com
MXmx3.zoho.com(20)
A204.141.43.44πŸ‡ΊπŸ‡Έ ZohoAS
PTRmx2.zoho.com
PTRmx3.zoho.com
PTRmx6.zoho.com
PTRmx7.zoho.com
PTRmx8.zoho.com
PTRmx.zoho.com
PTRmx2.zohomail.com
PTRmx3.zohomail.com
PTRmx.zohomail.com
MXmx.zoho.com(50)
A136.143.183.44πŸ‡ΊπŸ‡Έ ZohoAS
PTRmx2.zoho.com
PTRmx3.zoho.com
PTRmx.zoho.com
PTRmx2.zohomail.com
PTRmx3.zohomail.com
PTRmx.zohomail.com
A204.141.43.44πŸ‡ΊπŸ‡Έ ZohoAS
PTRmx2.zoho.com
PTRmx3.zoho.com
PTRmx6.zoho.com
PTRmx7.zoho.com
PTRmx8.zoho.com
PTRmx.zoho.com
PTRmx2.zohomail.com
PTRmx3.zohomail.com
PTRmx.zohomail.com
TXTbrevo-code:9b67ae3ce3108475f76a7091d62d803a
TXTgoogle-site-verification=5PRk9zxqtXteV8JYHLSezFxKCnF-10uQ7bdbrZjadN8
TXTpinterest-site-verification=50c595b476e4966c4fa6f1dcd4da9837
TXTv=spf1 include:zohomail.com ~all
TXTzoho-verification=zb05181499.zmverify.zoho.com
SOAns-1258.awsdns-29.orgawsdns-hostmaster@amazon.com serial=1

co

DNSSECπŸ”’ Signed (DS record present)
NSns0.centralnic.net ⭐
NSa.registrydns.co πŸ”’
NSb.registrydns.co πŸ”’
NSc.registrydns.co πŸ”’
NSd.registrydns.co πŸ”’
SOAns0.centralnic.nethostmaster@centralnic.net serial=1759588016

Same first word

Similar names

DNS History

11 records (11 active, 0 former)

NSns-1258.awsdns-29.orgns-1728.awsdns-24.co.ukns-373.awsdns-46.comns-652.awsdns-17.netMXmx.zoho.commx2.zoho.commx3.zoho.comA3.171.38.413.171.38.463.171.38.613.171.38.98
●NSns-1258.awsdns-29.org2026-02-23 β†’ 2026-02-23 Β· 2 obs
● 2026-02-23 16:05:52
● 2026-02-23 16:05:54
●NSns-1728.awsdns-24.co.uk2026-02-23 β†’ 2026-02-23 Β· 2 obs
● 2026-02-23 16:05:52
● 2026-02-23 16:05:54
●NSns-373.awsdns-46.com2026-02-23 β†’ 2026-02-23 Β· 2 obs
● 2026-02-23 16:05:52
● 2026-02-23 16:05:54
●NSns-652.awsdns-17.net2026-02-23 β†’ 2026-02-23 Β· 2 obs
● 2026-02-23 16:05:52
● 2026-02-23 16:05:54
●MXmx.zoho.com2026-02-23 β†’ 2026-02-23 Β· 2 obs
● 2026-02-23 16:05:52
● 2026-02-23 16:05:54
●MXmx2.zoho.com2026-02-23 β†’ 2026-02-23 Β· 2 obs
● 2026-02-23 16:05:52
● 2026-02-23 16:05:54
●MXmx3.zoho.com2026-02-23 β†’ 2026-02-23 Β· 2 obs
● 2026-02-23 16:05:52
● 2026-02-23 16:05:54
●A3.171.38.412026-02-23 β†’ 2026-02-23 Β· 2 obs
● 2026-02-23 16:05:52
● 2026-02-23 16:05:54
●A3.171.38.462026-02-23 β†’ 2026-02-23 Β· 2 obs
● 2026-02-23 16:05:52
● 2026-02-23 16:05:54
●A3.171.38.612026-02-23 β†’ 2026-02-23 Β· 2 obs
● 2026-02-23 16:05:52
● 2026-02-23 16:05:54
●A3.171.38.982026-02-23 β†’ 2026-02-23 Β· 2 obs
● 2026-02-23 16:05:52
● 2026-02-23 16:05:54

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
zstudy.cons-1728.awsdns-24.co.uk, ns-373.awsdns-46.com, ns-652.awsdns-17.net, ns-1258.awsdns-29.org-

βœ… Authoritative Response

Server: 205.251.193.117

NS records: ns-1728.awsdns-24.co.uk, ns-373.awsdns-46.com, ns-652.awsdns-17.net, ns-1258.awsdns-29.org

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for zstudy.co (unsigned zone)

⏱️ Timing

Total: 77ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A43.171.38.61, 3.171.38.41...
NS4ns-1258.awsdns-29.org, ns-1728.awsdns-24.co.uk...
MX3mx.zoho.com (pri: 10), mx2.zoho.com (pri: 20)...
TXT5brevo-code:9b67ae3ce3108475f76a7091d62d8, google-site-verification=5PRk9zxqtXteV8J...
SOA1ns-1258.awsdns-29.org awsdns-hostmaster.

AI analysis

zstudy.co maps to four IP numbers: 3.171.38.41, 3.171.38.46, 3.171.38.61 and 3.171.38.98.

other host names include server-3-171-38-41.iad61.r.cloudfront.net, aceexam.space, d1h4lzchmbuf3h.amplifyapp.com, d3gg2gdokw3e39.cloudfront.net and media.reassure.staging.reassureweb.co.uk; they share IP numbers with zstudy.co.

zstudy.co delegates to four name servers: ns-373.awsdns-46.com, ns-652.awsdns-17.net, ns-1258.awsdns-29.org and ns-1728.awsdns-24.co.uk.

zstudy.co at least partially shares name servers with other domains, for instance icedb.com, d2a1fl4ox6te5g.cloudfront.net, novafoods.com, sungrowpower.com and michellesampson.com.

These name servers are commonly used alongside ns-656.awsdns-18.net.

Host names with two IP numbers: ns-373.awsdns-46.com points to 2600:9000:5301:7500::1 and 205.251.193.117; ns-652.awsdns-17.net points to 2600:9000:5302:8c00::1 and 205.251.194.140; ns-1258.awsdns-29.org points to 2600:9000:5304:ea00::1 and 205.251.196.234; ns-1728.awsdns-24.co.uk points to 2600:9000:5306:c000::1 and 205.251.198.192.

Three mail servers handle zstudy.co: mx2.zoho.com, mx3.zoho.com and mx.zoho.com.

zstudy.co shares at least partially some mail servers with other domains, for instance artestial.com, bratech.info, ingvs.com, beachhouse.tech and shoppin.bid.

Host names by IP count:

Two IP numbers: mx.zoho.com points to 136.143.183.44 and 204.141.43.44.

One IP number: mx2.zoho.com points to 136.143.183.44; mx3.zoho.com points to 204.141.43.44.

Host names that point to 136.143.183.44: mx.zoho.com and mx2.zoho.com.

Host names that point to 204.141.43.44: mx.zoho.com and mx3.zoho.com.