studyoptional.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

studyoptional.com

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:47ad🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:ab15🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.71.173Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.171.21🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdom.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b9d🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdom.ns.cloudflare.com
A2803:f800:50::6ca2:c19d🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdom.ns.cloudflare.com
A2a06:98c1:50::ac40:219d🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdom.ns.cloudflare.com
A108.162.193.157🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdom.ns.cloudflare.com
A172.64.33.157🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdom.ns.cloudflare.com
A173.245.59.157🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdom.ns.cloudflare.com
NSheidi.ns.cloudflare.com
A2606:4700:50::a29f:26ec🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRheidi.ns.cloudflare.com
A2803:f800:50::6ca2:c2ec🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRheidi.ns.cloudflare.com
A2a06:98c1:50::ac40:22ec🇺🇸 Cloudflare2a06:98c1:50::/45
PTRheidi.ns.cloudflare.com
A108.162.194.236🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRheidi.ns.cloudflare.com
A162.159.38.236Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRheidi.ns.cloudflare.com
A172.64.34.236🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRheidi.ns.cloudflare.com
MXroute3.mx.cloudflare.net ⭐
A2606:4700:f5::11🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A2606:4700:f5::12🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A2606:4700:f5::13🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.23Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.24Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.25Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
MXroute2.mx.cloudflare.net(23)
A2606:4700:f5::e🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A2606:4700:f5::f🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A2606:4700:f5::10🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.17Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.18Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.19Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
MXroute1.mx.cloudflare.net(65)
A2606:4700:f5::b🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A2606:4700:f5::c🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A2606:4700:f5::d🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.11Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.12Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.13Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
TXTgoogle-gws-recovery-domain-verification=72310634
TXTgoogle-site-verification=PLkGzqjJs2PUvyP6iR7WgTPR7SCipiYg_rUgrf2VBxI
TXTv=spf1 include:_spf.mx.cloudflare.net ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.71.173, 172.67.171.21
IPv6 hints2606:4700:3031::6815:47ad, 2606:4700:3035::ac43:ab15
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=190, name=cloudflare-ech.com
SOAdom.ns.cloudflare.comdns@cloudflare.com serial=2416609243

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=1794716298

Same first word

studyoptional.com

Previous names

studyopizza.com
studyoplatesyesilkoy.com
studyoplus.com
studyopolis.com
studyopopart.com
studyoportable.com
studyopp.com
studyopportunities.com
studyopportunity.com
studyopportunitynews.com
studyopps.com
studyoprana.com
studyopro.com
studyops.com
studyopsw.com
studyopt.com
studyopti.com
studyoptima.com
studyoptimum.com

Next names

studyoptions-canada.com
studyoptions.com
studyoptionscolleges.com
studyoptionsglobal.com
studyoptionsopendays.com
studyoptionstoday.com
studyopts.com
studyopub.com
studyopuga.com
studyopunctum.com
studyoquartet.com
studyor.com
studyora.com
studyoraca.com
studyoracle.com
studyorama.com
studyorange.com
studyorb.com

DNS History

13 records (9 active, 4 former)

NSdom.ns.cloudflare.comheidi.ns.cloudflare.comMXroute1.mx.cloudflare.netroute2.mx.cloudflare.netroute3.mx.cloudflare.netA104.21.71.173172.67.171.212606:4700:3031::6815:47ad2606:4700:3035::ac43:ab15188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●NSdom.ns.cloudflare.com2026-09-26 → 2026-11-15 · 2 obs
● 2026-09-26 03:14:14
● 2026-11-15 04:19:52
●NSheidi.ns.cloudflare.com2026-09-26 → 2026-11-15 · 2 obs
● 2026-09-26 03:14:14
● 2026-11-15 04:19:52
●MXroute1.mx.cloudflare.net2026-09-26 → 2026-11-15 · 2 obs
● 2026-09-26 03:14:14
● 2026-11-15 04:19:52
●MXroute2.mx.cloudflare.net2026-09-26 → 2026-11-15 · 2 obs
● 2026-09-26 03:14:14
● 2026-11-15 04:19:52
●MXroute3.mx.cloudflare.net2026-09-26 → 2026-11-15 · 2 obs
● 2026-09-26 03:14:14
● 2026-11-15 04:19:52
●A104.21.71.1732026-10-07 → 2026-11-15 · 3 obs
○ 2026-09-26 03:14:14
● 2026-10-07 08:24:30
● 2026-11-15 04:19:52
●A172.67.171.212026-10-07 → 2026-11-15 · 3 obs
○ 2026-09-26 03:14:14
● 2026-10-07 08:24:30
● 2026-11-15 04:19:52
○A188.114.96.02026-09-26 → 2026-09-26 · 3 obs
● 2026-09-26 03:14:14
○ 2026-10-07 08:24:30
○ 2026-11-15 04:19:52
○A188.114.97.02026-09-26 → 2026-09-26 · 3 obs
● 2026-09-26 03:14:14
○ 2026-10-07 08:24:30
○ 2026-11-15 04:19:52
●A2606:4700:3031::6815:47ad2026-10-07 → 2026-11-15 · 3 obs
○ 2026-09-26 03:14:14
● 2026-10-07 08:24:30
● 2026-11-15 04:19:52
●A2606:4700:3035::ac43:ab152026-10-07 → 2026-11-15 · 3 obs
○ 2026-09-26 03:14:14
● 2026-10-07 08:24:30
● 2026-11-15 04:19:52
○A2a06:98c1:3120::2026-09-26 → 2026-09-26 · 3 obs
● 2026-09-26 03:14:14
○ 2026-10-07 08:24:30
○ 2026-11-15 04:19:52
○A2a06:98c1:3121::2026-09-26 → 2026-09-26 · 3 obs
● 2026-09-26 03:14:14
○ 2026-10-07 08:24:30
○ 2026-11-15 04:19:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
studyoptional.comdom.ns.cloudflare.com, heidi.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.236

NS records: dom.ns.cloudflare.com, heidi.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studyoptional.com (unsigned zone)

⏱️ Timing

Total: 1904ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.71.173, 172.67.171.21
AAAA22606:4700:3031::6815:47ad, 2606:4700:3035::ac43:ab15
NS2dom.ns.cloudflare.com, heidi.ns.cloudflare.com
MX3route3.mx.cloudflare.net (pri: 12), route2.mx.cloudflare.net (pri: 23)...
TXT3google-gws-recovery-domain-verification=, google-site-verification=PLkGzqjJs2PUvyP...
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1dom.ns.cloudflare.com dns.cloudflare.com

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (dom.ns.cloudflare.com, dom.ns.cloudflare.com, dom.ns.cloudflare.com...)

Analysis

IP Addresses

studyoptional.com points to the four IP addresses 104.21.71.173, 172.67.171.21, 2606:4700:3031::6815:47ad and 2606:4700:3035::ac43:ab15.

Two other host names, along with handyvictor.co.uk, elixirum.info and lukup.net, also share IP numbers with studyoptional.com.

Name Servers

studyoptional.com is delegated to two name servers: dom.ns.cloudflare.com and heidi.ns.cloudflare.com.

studyoptional.com shares its NS records with other domains, for example aetherchat.xyz, super-drone-garage.pages.dev, guriqballive.workers.dev and two others.

The name servers of studyoptional.com overlap at least partially with those of other domains — among them zl5meknvukuz.workers.dev, lieyin.top, viyaza-com.workers.dev and two more.

The name servers valentin.ns.cloudflare.com, june.ns.cloudflare.com and dolly.ns.cloudflare.com are commonly seen alongside these name servers.

DNS names with 6 IP addresses:

dom.ns.cloudflare.com resolves to 108.162.193.157, 172.64.33.157, 173.245.59.157 and 3 other IP addresses.

heidi.ns.cloudflare.com resolves to 108.162.194.236, 162.159.38.236, 172.64.34.236 and 3 other IP addresses.

Mail Servers

Mail for studyoptional.com is routed through three mail servers — route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

There is at least a partial MX overlap between studyoptional.com and other domains, including hydrogen.moe, omerdayan.com, nwnaturalstone.com and two others.

DNS names with 6 IP addresses:

route1.mx.cloudflare.net resolves to 162.159.205.11, 162.159.205.12, 162.159.205.13 and 3 other IP addresses.

route2.mx.cloudflare.net resolves to 162.159.205.17, 162.159.205.18, 162.159.205.19 and 3 other IP addresses.

route3.mx.cloudflare.net resolves to 162.159.205.23, 162.159.205.24, 162.159.205.25 and 3 other IP addresses.