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jfstud.io checked at 2026-01-15T20:23:04.788Z 1132ms 179/179/179 100% R:11 allDone:true timedOut:false cfaller:9365b40d/10:e0d2f40c:6:20205:-:-:-

jfstud.io

MXaspmx2.googlemail.com
A2a00:1450:400b:c02::1a🇮🇪 Google
PTRdj-in-f26.1e100.net
A172.253.116.27🇺🇸 Google
PTRdj-in-f27.1e100.net
MXaspmx3.googlemail.com
A2a00:1450:4025:c01::1b🇵🇱 Google
PTRrd-in-f27.1e100.net
A142.250.147.27🇺🇸 Google
PTRrd-in-f27.1e100.net
NSdns1.registrar-servers.com
A2610:a1:1024::200🇺🇸 Neustar
PTRdns1.namecheaphosting.com
PTRdns1.registrar-servers.com
A156.154.132.200🇺🇸 Neustar
PTRdns1.namecheaphosting.com
PTRdns1.registrar-servers.com
NSdns2.registrar-servers.com
A2610:a1:1025::200🇺🇸 Neustar
PTRdns2.namecheaphosting.com
PTRdns2.registrar-servers.com
A156.154.133.200🇺🇸 Neustar
PTRdns2.namecheaphosting.com
PTRdns2.registrar-servers.com
MXaspmx.l.google.com
A2a00:1450:4009:c0f::1b🇬🇧 Google
PTRyulhrs-in-f27.1e100.net
A192.178.223.26🇺🇸 Google
PTRyulhrs-in-f26.1e100.net
MXalt1.aspmx.l.google.com
A2a00:1450:4025:402::1a🇳🇱 Google
PTRrb-in-f26.1e100.net
A192.178.213.27🇺🇸 Google
PTRyugrqzs-in-f27.1e100.net
MXalt2.aspmx.l.google.com
A2a00:1450:4025:c01::1a🇵🇱 Google
PTRrd-in-f26.1e100.net
A192.178.213.26🇺🇸 Google
PTRyugrqzs-in-f26.1e100.net
A2600:9000:246b:e00:7:4de3:c600:93a1🇺🇸 Amazon
A2600:9000:246b:1e00:7:4de3:c600:93a1🇺🇸 Amazon
A2600:9000:246b:5600:7:4de3:c600:93a1🇺🇸 Amazon
A2600:9000:246b:5c00:7:4de3:c600:93a1🇺🇸 Amazon
A2600:9000:246b:6a00:7:4de3:c600:93a1🇺🇸 Amazon
A2600:9000:246b:9200:7:4de3:c600:93a1🇺🇸 Amazon
A2600:9000:246b:be00:7:4de3:c600:93a1🇺🇸 Amazon
A2600:9000:246b:f200:7:4de3:c600:93a1🇺🇸 Amazon
A18.155.173.38🇺🇸 Amazon
PTRserver-18-155-173-38.phx50.r.cloudfront.net
A18.155.173.67🇺🇸 Amazon
PTRserver-18-155-173-67.phx50.r.cloudfront.net
A18.155.173.74🇺🇸 Amazon
PTRserver-18-155-173-74.phx50.r.cloudfront.net
A18.155.173.125🇺🇸 Amazon
PTRserver-18-155-173-125.phx50.r.cloudfront.net

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AI analysis

www.jfstud.io has jfstud.io as its parent.

jfstud.io covers twelve IP numbers: 2600:9000:246b:e00:7:4de3:c600:93a1, 2600:9000:246b:1e00:7:4de3:c600:93a1, 2600:9000:246b:5600:7:4de3:c600:93a1, 2600:9000:246b:5c00:7:4de3:c600:93a1, 2600:9000:246b:6a00:7:4de3:c600:93a1, 2600:9000:246b:9200:7:4de3:c600:93a1, 2600:9000:246b:be00:7:4de3:c600:93a1, 2600:9000:246b:f200:7:4de3:c600:93a1, 18.155.173.38, 18.155.173.67, 18.155.173.74 and 18.155.173.125.

Other host names, for instance sero.so, 12894.tlnk.io, niavimi.com, raenotes.com and server-18-155-173-74.phx50.r.cloudfront.net share IP numbers with jfstud.io.

Two name servers dns1.registrar-servers.com and dns2.registrar-servers.com are delegated to jfstud.io.

jfstud.io uses the same name server configuration as other domains, such as surgeons-portfolio.org, elegit.org, b-lik.es, bictires.com and movebla.com.

jfstud.io at least partially shares name servers with other domains such as truthdatallc.com, nakeddogsoftware.biz, fubase.net, touchgamers.com and michaelbarrettdixon.com.

These name servers are commonly used alongside dns3.registrar-servers.com, dns4.registrar-servers.com and dns5.registrar-servers.com.

Host names with two IPs:

dns1.registrar-servers.com points to 2610:a1:1024::200 and 156.154.132.200.

dns2.registrar-servers.com points to 2610:a1:1025::200 and 156.154.133.200.

jfstud.io is handled by five mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

jfstud.io shares mail servers with other domains at least in part, for instance dohamark.com, ns500758.ns500759.ns500759.ns500698.ns500698.ns500698.ns500735.ns500698.ns500708.ns500708.ns500708.ns500576.ns500619.tracksymphony.com, ns500754.ns500754.ns500731.ns500731.ns500731.ns500742.ns500704.ns500671.ns500742.ns500742.ns500704.ns500688.ns500291.ns500688.ns500142.lustyslutz.com, dnaservicespa.com and nrigolf.com.

These mail servers are often used together with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Two IPs per host name:

aspmx2.googlemail.com points to: 2a00:1450:400b:c02::1a and 172.253.116.27

aspmx3.googlemail.com points to: 2a00:1450:4025:c01::1b and 142.250.147.27

aspmx.l.google.com points to: 2a00:1450:4009:c0f::1b and 192.178.223.26

alt1.aspmx.l.google.com points to: 2a00:1450:4025:402::1a and 192.178.213.27

alt2.aspmx.l.google.com points to: 2a00:1450:4025:c01::1a and 192.178.213.26

Pattern: left IDs ascend by 9 (12, 21, 30, 39, 48); each pair of targets ascend by 9 (15/18, 24/27, 33/36, 42/45, 51/54)