Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
vitalsource.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 19:42:59 UTC · ↺ Refresh
MX Hostnames
- vitalsource-com.mail.protection.outlook.com
MX Priorities
- vitalsource-com.mail.protection.outlook.com: 10
A / AAAA Records
- 104.19.190.84 (no PTR)
- 104.19.189.84 (no PTR)
- 2606:4700::6813:bd54
- 2606:4700::6813:be54
Mail Server IPs
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
- 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
- 2a01:111:f403:f903:: (no PTR)
- 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
- 2a01:111:f403:f901::2 ↩ mail-bl2pr02cu00402.inbound.protection.outlook.com
- 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
SOA Record
Raw SOA
aida.ns.cloudflare.com dns.cloudflare.com 2399720849 10000 2400 604800 1800
Primary NS (mname)
aida.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399720849
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
jonah.ns.cloudflare.com
aida.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:sendgrid.net include:mktomail.com include:rp.oracleemaildelivery.com exists:%{i}._spf.mta.salesforce.com include:spf.mandrillapp.com include:mail.zendesk.com include:_spf.sendergen.com ~all
📊 DNS lookups: 8/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; sp=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
17 records- google-site-verification=CaKq1GauqV6CaYjnf7FM5Gl3avbxLKJthA7ZyctMkTc
- anthropic-domain-verification-wadrsn=mJxW8Ib9Jv0nu9QVBbn7It7dQ
- cursor-domain-verification-tn4rgs=GZ79G2oE2pNUGB8Rp3aTCry2y
- google-site-verification=Ts9HPtoD1UCqBL6KzcH96bABxjkctm1J6XixIJpQs2I
- 1password-site-verification=RRERYUR7OVARXKGGZCMRSSZJP4
- apple-domain-verification=mCIZRftXRlvbbgNf
- facebook-domain-verification=1lgt7rmfll6da198anxuylzzp2l04j
- google-site-verification=yZ-kJatoo-6qop_nCghctNlbUDWhv8k1LKZQvuplips
- b078a8887638430a85b4a64b02fa269b.vitalsource.com
- google-site-verification=BSgIQG67SCvBmkB8oyqPsje9DA_ZX0AE-AZk958_G_s
- google-site-verification=BIMJg_Pk3BKY5n4M3BYh--LJ5s61RYZ22UZG1JIN_J0
- klaviyo-site-verification=YwZrXt
- TAILSCALE-f1gedyfA1knhE18OUcPT
- klaviyo-site-verification=RrN2B6
- MS=ms39645889
- openai-domain-verification=dv-3ecR37S1SIOK6mjEgt9y2WKt
- SPFv=spf1 include:spf.protection.outlook.com include:sendgrid.net include:mktomail.com include:rp.oracleemaildelivery.com exists:%{i}._spf.mta.salesforce.com include:spf.mandrillapp.com include:mail.zendesk.com include:_spf.sendergen.com ~all
Full email verification for vitalsource.com
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