WWW.RTSAK.COM - qbmail.questback.com
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qbmail.questback.com checked at 2025-10-23T01:13:17.594Z 177ms 61/61/61 100% R:10qbmail.questback.com
| MX | questback-com.mail.protection.outlook.com | ||||||
| A | 2a01:111:f403:ca04::7 🇮🇪 Microsoft | ||||||
| PTR | mail-db4pr02cu00307.inbound.protection.outlook.com | ||||||
| A | 2a01:111:f403:ca04::8 🇮🇪 Microsoft | ||||||
| PTR | mail-db5pr02cu00100.inbound.protection.outlook.com | ||||||
| A | 2a01:111:f403:ca04::9 🇮🇪 Microsoft | ||||||
| PTR | mail-db7pr03cu00601.inbound.protection.outlook.com | ||||||
| A | 2a01:111:f403:ca09::2 🇳🇱 Microsoft | ||||||
| PTR | mail-am0pr83cu00402.inbound.protection.outlook.com | ||||||
| A | 52.101.68.5🇮🇪 Microsoft | ||||||
| PTR | mail-du2pr03cu00105.inbound.protection.outlook.com | ||||||
| A | 52.101.68.21🇮🇪 Microsoft | ||||||
| PTR | mail-db4pr02cu00205.inbound.protection.outlook.com | ||||||
| A | 52.101.73.2🇳🇱 Microsoft | ||||||
| PTR | mail-as9pr07cu00302.inbound.protection.outlook.com | ||||||
| A | 52.101.73.16🇳🇱 Microsoft | ||||||
| PTR | mail-as2pr05cu00100.inbound.protection.outlook.com | ||||||
questback.com
| NS | ns1.dnshost.net | ||||||
| NS | ns2.dnshost.net | ||||||
| MX | questback-com.mail.protection.outlook.com | ||||||
| A | 162.159.135.42 Cloudflare | ||||||
rank #15703 in the tld
MX for
questback.eu |
questback.us |
questback.org |
questback.co.uk |
questback.sg |
questback-kundencenter.de |
questback-survey.net |
questback.biz |
questback.at |
questback.pl |
questback.cz |
www.questback-kundencenter.de |
Starts similarily
AI analysis
qbmail.questback.com serves mail for the domains questback.eu, questback.us, questback.org, questback.co.uk, questback.sg and a few other domains.
qbmail.questback.com is handled by a single mail server, questback-com.mail.protection.outlook.com.
qbmail.questback.com shares the same mail server setup as other domains, for instance mail7.questback.com, questback.net, mail15.questback.com, quest3.questback.com and questback.no.
Host name questback-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::7, 2a01:111:f403:ca04::8, 2a01:111:f403:ca04::9, 2a01:111:f403:ca09::2, 52.101.68.5, 52.101.68.21, 52.101.73.2 and 52.101.73.16.
dbq