textbook.co - robtex.com
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textbook.co checked at 2026-01-11T15:30:52.461Z 1802ms 90/90/90 100% R:10 allDone:true timedOut:false cfaller:b920ef96/24:e9488822:15236:-textbook.co
| MX | mailstore1.secureserver.net | ||||||
| A | 216.69.141.78🇺🇸 AS398101 | ||||||
| PTR | osplibsmtp01-v02.prod.phx3.secureserver.net | ||||||
| A | 216.69.141.114🇺🇸 AS398101 | ||||||
| PTR | osplibsmtp03-v02.prod.phx3.secureserver.net | ||||||
| A | 216.69.141.162🇺🇸 AS398101 | ||||||
| PTR | osplibsmtp02-v02.prod.phx3.secureserver.net | ||||||
| NS | parkct1.secureserver.net | ||||||
| A | 97.74.101.32🇺🇸 GODADDY-DNS-GLOBAL | ||||||
| PTR | ns61.domaincontrol.com | ||||||
| NS | parkct2.secureserver.net | ||||||
| A | 173.201.69.32🇺🇸 GODADDY-DNS-GLOBAL | ||||||
| PTR | ns62.domaincontrol.com | ||||||
| MX | smtp.secureserver.net | ||||||
| A | 216.69.141.71🇺🇸 AS398101 | ||||||
| PTR | osplibsmtp01-v01.prod.phx3.secureserver.net | ||||||
| A | 216.69.141.84🇺🇸 AS398101 | ||||||
| PTR | osplibsmtp02-v01.prod.phx3.secureserver.net | ||||||
| A | 216.69.141.113🇺🇸 AS398101 | ||||||
| PTR | osplibsmtp03-v01.prod.phx3.secureserver.net | ||||||
| A | 3.33.152.147🇺🇸 Amazon | ||||||
| PTR | a4ec4c6ea1c92e2e6.awsglobalaccelerator.com | ||||||
| A | 15.197.142.173🇺🇸 Amazon | ||||||
| PTR | a4ec4c6ea1c92e2e6.awsglobalaccelerator.com | ||||||
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Starts similarily
AI analysis
textbook.co points to two IP numbers: 3.33.152.147 and 15.197.142.173.
Other host names, for instance thelemargroup.com, checkintocaxh.com, rsmgib.com, texasaustraliancattledogrescue.com and porto21.com share IP numbers with textbook.co.
Delegation for textbook.co rests with two name servers, parkct1.secureserver.net and parkct2.secureserver.net.
textbook.co shares the same name server setup as other domains, including hometests.it, trickflow.co, checkwater.de, cwu.co and landhotelmallorca.de.
Host names with one IP number: parkct1.secureserver.net points to 97.74.101.32; parkct2.secureserver.net points to 173.201.69.32.
textbook.co is handled by two mail servers: mailstore1.secureserver.net and smtp.secureserver.net.
textbook.co uses the same mail server configuration as other domains, such as dev-my-l.ink, tcps.us, eolis.us, wordpresswatermarker.com and kingdicesays.com.
textbook.co shares some mail servers with other domains at least partially, for example attorneybheen.com.
Host names with three IP numbers: The host name mailstore1.secureserver.net points to 216.69.141.78, 216.69.141.114 and 216.69.141.162; The host name smtp.secureserver.net points to 216.69.141.71, 216.69.141.84 and 216.69.141.113.