ROBTEX.COM - istudyob.com

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istudyob.com checked at 2025-12-11T18:17:58.393Z 935ms 90/90/90 100% R:11 allDone:true timedOut:false

`istudyob.com`

	NS	`pdns85.ultradns.biz`
			A	2610:a1:1015::79^{🇺🇸 Neustar}
				PTR	`pdns85.ultradns.biz`
			A	156.154.66.85^{🇺🇸 Neustar}
				PTR	`pdns85.ultradns.biz`
	MX	`corp148mr3.mcgraw-hill.com`
	MX	`corp148mr4.mcgraw-hill.com`
	MX	`nj12corpmr01.mcgraw-hill.com`
	MX	`nj12corpmr02.mcgraw-hill.com`
	NS	`pdns85.ultradns.com`
			A	2001:502:f3ff::79^{🇺🇸 Neustar}
				PTR	`pdns85.ultradns.com`
			A	156.154.64.85^{🇺🇸 Neustar}
				PTR	`pdns85.ultradns.com`
	NS	`pdns85.ultradns.net`
			A	2610:a1:1014::79^{🇺🇸 Neustar}
				PTR	`pdns85.ultradns.net`
			A	156.154.65.85^{🇺🇸 Neustar}
				PTR	`pdns85.ultradns.net`
	NS	`pdns85.ultradns.org`
			A	2001:502:4612::79^{🇺🇸 Neustar}
				PTR	`pdns85.ultradns.org`
			A	156.154.67.85^{🇺🇸 Neustar}
				PTR	`pdns85.ultradns.org`
	A	192.243.85.36^{🇺🇸 F5}

`com`

	NS	`a.gtld-servers.net`
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`

Starts with same word

istudyob.com

Starts similarily

ybstudio.cz

bystudio.fr

bodysuit.eu

bodysuit.ru

studioby.fr

ybstudio.com

istudyob.com

bodysuit.de

AI analysis

istudyob.com points to a single IP address: 192.243.85.36.

Other host names such as mcgrawhill.ca, istudysociology.com, mcgraw-hillryerson.com, mathontario.com and istudymis.ca share IPs with istudyob.com.

istudyob.com is delegated to four name servers: pdns85.ultradns.biz, pdns85.ultradns.com, pdns85.ultradns.net and pdns85.ultradns.org.

istudyob.com at least partially shares name servers with other domains, for example radreviewmhe.com, betterforyou.com, mhpractice.com.tw, wncpmathcurriculum.com and mathmatters1.com.

Host names with two IP numbers:

pdns85.ultradns.biz points to: 2610:a1:1015::79 and 156.154.66.85

pdns85.ultradns.com points to: 2001:502:f3ff::79 and 156.154.64.85

pdns85.ultradns.net points to: 2610:a1:1014::79 and 156.154.65.85

pdns85.ultradns.org points to: 2001:502:4612::79 and 156.154.67.85

istudyob.com is served by four mail servers: corp148mr3.mcgraw-hill.com, corp148mr4.mcgraw-hill.com, nj12corpmr01.mcgraw-hill.com and nj12corpmr02.mcgraw-hill.com.

istudyob.com shares at least partially some mail servers with other domains, for instance standardpoor.com, istudymis.ca, istudycalculus.ca, mhe-elt.com and wrightgroup.com.

these mail servers are often used together with corp148mr6.mcgraw-hill.com, corp55wmr5.mcgraw-hill.com, corp148mr.mcgraw-hill.com, corp55wmr.mcgraw-hill.com, corp55wmr3.mcgraw-hill.com and corp55wmr4.mcgraw-hill.com.