Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
textbookrush.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 00:33:14 UTC · ↺ Refresh
MX Hostnames
- textbookrush-com.mail.protection.outlook.com
- mail.textbookrush.com
MX Priorities
- mail.textbookrush.com: 20
- textbookrush-com.mail.protection.outlook.com: 10
A / AAAA Records
- 199.188.170.119 (no PTR)
Mail Server IPs
- 69.212.189.237 (no PTR)
- 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
- 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
- 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns09.domaincontrol.com dns.jomax.net 2025122200 28800 7200 604800 3600
Primary NS (mname)
ns09.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025122200
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns10.domaincontrol.com
ns09.domaincontrol.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:trustpilotservice.com include:spf.sendinblue.com mx ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; sp=none; rua=mailto:[email protected]!10m; ruf=mailto:[email protected]!10m; rf=afrf; pct=100; ri=86400
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]!10m
↳ Subdomain policy: none
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
7 records- 47du2q19l57fk8u5stq59b50ea
- b5cmbirfnlv0tr7unvrs79vi53
- SPFv=spf1 include:spf.protection.outlook.com include:trustpilotservice.com include:spf.sendinblue.com mx ~all
- Sendinblue-code:d5d2abe6f0ed312d7ba4332b405886ed
- sophos-domain-verification=edecf70adf75b76e6e981f9af40ade205093fa4c023110a22d6ddd0cf764c9e9
- ijkol8cgjvn90sr2qkpal0am62
- MS=ms90768430
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