questia.com
HTML metadata
Technology
Third-party hosts loaded (3)
- qtastatic.com×11
- s.thebrighttag.com×1
- www.google.com×1
Social
Registration
- Registrar
- Key-Systems GmbH
- Created
- 1999-07-21
- Expires
- 2026-07-21 62 days left
- Updated
- 2026-05-07
- Name servers
-
- dns1.p01.nsone.net
- dns2.p01.nsone.net
- dns3.p01.nsone.net
- dns4.p01.nsone.net
DNS records live
- NS
-
- ns1x.cengage.net
- ns2x.cengage.net
- MX
-
- 10 mxa-0012df01.gslb.pphosted.com
- 10 mxb-0012df01.gslb.pphosted.com
- TXT
-
MS=ms21994581
Email authentication strong
- SPF
-
v=spf1 include:spf.cengage.com -allstrict (-all) - DMARC
-
v=DMARC1; p=reject; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.compolicy: reject (enforced) - DKIM
- no key found at common selectors
Certificates
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