studycn.com - dns.ninja

studycn.com

DNSSEC⚠️ Not signed
A3.33.243.145🇺🇸 Amazon3.33.240.0/20
PTRa3edc0dabdef92d6d.awsglobalaccelerator.com
A15.197.204.56🇺🇸 Amazon15.197.192.0/20
NSns1.smartname.com ⭐
A97.74.98.60🇺🇸 GODADDY-DNS97.74.98.0/23
PTRns1.smartname.com
NSns2.smartname.com
A173.201.66.60🇺🇸 GODADDY-DNS173.201.66.0/23
PTRns2.smartname.com
SOAns1.smartname.comdns@jomax.net 2023-06-12 #0

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1781638845

Subdomains

mail.studycn.com

Same first word

studycn.org
studycn.ru
studycn.net
studycn.cn
studycn.com

Similar names

ncstudy.com
studnyc.com
usdtcny.com
studync.com

DNS History

19 records (4 active, 15 former)

20162017201820192020202120222023202420252026NSns1.smartname.comns2.smartname.comauth01.ns.dnssafe.comauth02.ns.dnssafe.comauth03.ns.dnssafe.comauth04.ns.dnssafe.comauth05.ns.dnssafe.comauth06.ns.dnssafe.comauth07.ns.dnssafe.comauth08.ns.dnssafe.comglobal.ns.dnssafe.comkorea.ns.dnssafe.comlocal.ns.dnssafe.comusa.ns.dnssafe.comMXmail.studycn.comA15.197.204.563.33.243.145192.198.84.154211.174.53.108
○NSauth01.ns.dnssafe.com2015-08-04 → 2017-02-12 · 4 obs
● 2015-08-04 22:31:26
● 2017-02-12 11:16:04
○ 2026-03-17 10:54:38
○ 2026-06-16 19:54:54
○NSauth02.ns.dnssafe.com2015-08-04 → 2017-02-12 · 4 obs
● 2015-08-04 22:31:26
● 2017-02-12 11:16:04
○ 2026-03-17 10:54:38
○ 2026-06-16 19:54:54
○NSauth03.ns.dnssafe.com2015-08-04 → 2017-02-12 · 4 obs
● 2015-08-04 22:31:26
● 2017-02-12 11:16:04
○ 2026-03-17 10:54:38
○ 2026-06-16 19:54:54
○NSauth04.ns.dnssafe.com2015-08-04 → 2017-02-12 · 4 obs
● 2015-08-04 22:31:26
● 2017-02-12 11:16:04
○ 2026-03-17 10:54:38
○ 2026-06-16 19:54:54
○NSauth05.ns.dnssafe.com2015-08-04 → 2016-07-12 · 4 obs
● 2015-08-04 22:31:26
● 2016-07-12 05:49:10
○ 2017-02-12 11:16:04
○ 2026-06-16 19:54:54
○NSauth06.ns.dnssafe.com2015-08-04 → 2016-07-12 · 4 obs
● 2015-08-04 22:31:26
● 2016-07-12 05:49:10
○ 2017-02-12 11:16:04
○ 2026-06-16 19:54:54
○NSauth07.ns.dnssafe.com2015-08-04 → 2016-07-12 · 4 obs
● 2015-08-04 22:31:26
● 2016-07-12 05:49:10
○ 2017-02-12 11:16:04
○ 2026-06-16 19:54:54
○NSauth08.ns.dnssafe.com2015-08-04 → 2016-07-12 · 4 obs
● 2015-08-04 22:31:26
● 2016-07-12 05:49:10
○ 2017-02-12 11:16:04
○ 2026-06-16 19:54:54
○NSglobal.ns.dnssafe.com2017-02-12 → 2017-02-12 · 4 obs
○ 2016-07-12 05:49:10
● 2017-02-12 11:16:04
○ 2026-03-17 10:54:38
○ 2026-06-16 19:54:54
○NSkorea.ns.dnssafe.com2017-02-12 → 2017-02-12 · 4 obs
○ 2016-07-12 05:49:10
● 2017-02-12 11:16:04
○ 2026-03-17 10:54:38
○ 2026-06-16 19:54:54
○NSlocal.ns.dnssafe.com2017-02-12 → 2017-02-12 · 4 obs
○ 2016-07-12 05:49:10
● 2017-02-12 11:16:04
○ 2026-03-17 10:54:38
○ 2026-06-16 19:54:54
●NSns1.smartname.com2026-03-17 → 2026-06-16 · 3 obs
○ 2017-02-12 11:16:04
● 2026-03-17 10:54:38
● 2026-06-16 19:54:54
●NSns2.smartname.com2026-03-17 → 2026-06-16 · 3 obs
○ 2017-02-12 11:16:04
● 2026-03-17 10:54:38
● 2026-06-16 19:54:54
○NSusa.ns.dnssafe.com2017-02-12 → 2017-02-12 · 4 obs
○ 2016-07-12 05:49:10
● 2017-02-12 11:16:04
○ 2026-03-17 10:54:38
○ 2026-06-16 19:54:54
○MXmail.studycn.com2015-08-04 → 2017-02-12 · 4 obs
● 2015-08-04 22:31:26
● 2017-02-12 11:16:04
○ 2026-03-17 10:54:38
○ 2026-06-16 19:54:54
●A15.197.204.562026-03-17 → 2026-06-16 · 3 obs
○ 2017-02-12 11:16:04
● 2026-03-17 10:54:38
● 2026-06-16 19:54:54
○A192.198.84.1542017-02-12 → 2017-02-12 · 4 obs
○ 2016-07-12 05:49:10
● 2017-02-12 11:16:04
○ 2026-03-17 10:54:38
○ 2026-06-16 19:54:54
○A211.174.53.1082015-08-04 → 2016-07-12 · 4 obs
● 2015-08-04 22:31:26
● 2016-07-12 05:49:10
○ 2017-02-12 11:16:04
○ 2026-06-16 19:54:54
●A3.33.243.1452026-03-17 → 2026-06-16 · 3 obs
○ 2017-02-12 11:16:04
● 2026-03-17 10:54:38
● 2026-06-16 19:54:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comb.gtld-servers.net, m.gtld-servers.net, e.gtld-servers.net, c.gtld-servers.net...-
studycn.comns1.smartname.com, ns2.smartname.com2 records

✅ Authoritative Response

Server:97.74.98.60

NS records: ns1.smartname.com, ns2.smartname.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studycn.com (unsigned zone)

⏱️ Timing

Total: 493ms | Queries: -

📄 Records

TypeCountSample Data
A215.197.204.56, 3.33.243.145
NS2ns1.smartname.com, ns2.smartname.com
SOA1ns1.smartname.com dns.jomax.net

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.smartname.com, ns2.smartname.com)

Analysis

Hierarchy

mail.studycn.com is delegated beneath studycn.com.

IP Addresses

studycn.com points to the IP addresses 3.33.243.145 and 15.197.204.56

Two other host names, along with aligerbrowser.com, thevintagejunkies.com and new-real.com, also share IP numbers with studycn.com.

Name Servers

studycn.com has two authoritative name servers — ns1.smartname.com and ns2.smartname.com.

studycn.com shares its NS records with other domains, for example mcem.com, morefunthanabarrelofmonkeys.com, congo.ca and two others.

ns1.smartname.com → 97.74.98.60 and ns2.smartname.com → 173.201.66.60: one IP number per host name.