Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
towerswatson.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 20:03:35 UTC · ↺ Refresh
MX Hostnames
- willistowerswatson-com.mail.protection.outlook.com
MX Priorities
- willistowerswatson-com.mail.protection.outlook.com: 10
A / AAAA Records
- 52.251.42.90 (no PTR)
Mail Server IPs
- 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
- 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
SOA Record
Raw SOA
ha1.markmonitor.zone hostmaster.markmonitor.com 2026032301 86400 3600 2592000 172800
Primary NS (mname)
ha1.markmonitor.zone
Admin Email (rname)
hostmaster@markmonitor.com
Serial
2026032301
Refresh
86400s
Retry
3600s
Expire
2592000s
Minimum TTL
172800s
Nameservers (NS)
ha1.markmonitor.zone
ha3.markmonitor.zone
ha2.markmonitor.zone
ha4.markmonitor.zone
SPF Record
✓ Soft Fail (~all)
v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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
24 records- _globalsign-domain-verification=GZBRPN3P9VwcJsQEXzUd6XcSuCf5dnkQVlbO4lZ31H
- globalsign-domain-verification=E3D58E6D4EA1F0DAE1ACA7992D6C4C07
- SPFv=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
- _globalsign-domain-verification=MbG1llgXoxic2ESqoz8Ls_Cp0nzEgvwwNgp8xX3kzY
- _globalsign-domain-verification=z91I_pTJp7W8mRPJvyvaotiuJP3qvYHERaVe8sZ9sE
- _globalsign-domain-verification=3UTdhe4SPjJdqj7arPbi6Qbfu0-7zigMn6WnVxtv6D
- globalsign-domain-verification=21C865C23668A2D151482F401CE2983E
- _globalsign-domain-verification=u60LWxuznhU4rCQCzkruG9Xlp8UNrXOL5HLHGjc9ZY
- globalsign-domain-verification=6B6E30A363A9980D18FC34212F3C9C82
- _globalsign-domain-verification=o6Pfh-1NUNPfypgl9vwrQCQcZak_DEkuNhvEJulEuE
- _globalsign-domain-verification=fr1rGpR0azuriBimWn7pR2z3TLBqHV8TScTtBq_fXY
- globalsign-domain-verification=8CB4BAD71F8BE52FFCD51DF12FDB7A65
- a02e0935-98f9-457a-a94f-f656573535af
- ecostruxure-it-verification=8d1ea000-f207-484b-b4b5-faf03201a7cc
- WyzH3FS9h6IFcfvDU5z8sQW1VkiUDqM41IlzN+u84Z68qGUUflkmfcbozlJnr0Jpotqo0lnfAszIhaecFk/tkA==
- mongodb-site-verification=VGDLdqzbBmrRcbECH1Edl0nMw7OHc9dV
- _globalsign-domain-verification=WdCnnr3szzJ5MlC2pZTgOZIU-VYdG3s_MW45tLC5zl
- globalsign-domain-verification=2043653a151124d4580b49999620dd65
- _globalsign-domain-verification=nllY8uhO8IauKIJp7-xbgQacwv62VK-gfWr8l2YJPj
- _globalsign-domain-verification=uWPAhiDIcBoxpK8YZAHSAkfwNf-57CfM3bKxd-y2qo
- _globalsign-domain-verification=AK_IRZ1bVkI6P5sdz8cUe9oMYLwBrAXtpZRszYp6-0
- 158.82.207.161
- _globalsign-domain-verification=1h_G_zs6YlQMvJJH6rnG0CMoF8envgdfqc1oDqgupX
- webexdomainverification.=7f429f0f-c955-4d5e-8549-3a9b83d2a88f
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