NSLIST.NET - istudyob.com
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istudyob.com checked at 2025-10-03T06:56:12.877Z 259ms 90/90/90 100% R:12istudyob.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 Inc. | ||||||
com
Starts with same word
istudyob.com |
Starts similarily
AI analysis
istudyob.com points to a single IP number: 192.243.85.36.
Other host names, for instance mcgrawhill.ca, istudysociology.com, mcgraw-hillryerson.com, mathontario.com and istudymis.ca share IP numbers 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 instance 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 handled by four mail servers: corp148mr3.mcgraw-hill.com, corp148mr4.mcgraw-hill.com, nj12corpmr01.mcgraw-hill.com and nj12corpmr02.mcgraw-hill.com.
istudyob.com shares mail servers with other domains at least in part, 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.