Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
res.us
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 03:39:30 UTC · ↺ Refresh
MX Hostnames
- res-us.mail.protection.outlook.com
MX Priorities
- res-us.mail.protection.outlook.com: 0
A / AAAA Records
- 141.193.213.10 (no PTR)
- 141.193.213.11 (no PTR)
Mail Server IPs
- 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
- 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
- 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
- 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-60.awsdns-07.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-60.awsdns-07.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1772.awsdns-29.co.uk
ns-60.awsdns-07.com
ns-903.awsdns-48.net
ns-1364.awsdns-42.org
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spfa.cpmails.com include:mailgun.org include:sg.res.us include:697374.workshop-spf.net include:spf.protection.outlook.com include:45764641.spf04.hubspotemail.net ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
✓ 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
6 records- vcjysxhq9wx5gy5hqlgd66ftj6j7mz38
- 7wgdz59hwv9mdrpwr1z5th1gkznxxvt0
- _28rg9q498mzg7giyji4c78j2qaaxvot
- bw=vlrgUE1vBFWeGoBu/gOuLj0SjWuiGlzgaQ8SsMZALkTy
- docusign=febaca92-296e-43d9-9266-bb522c1dfe11
- SPFv=spf1 include:spfa.cpmails.com include:mailgun.org include:sg.res.us include:697374.workshop-spf.net include:spf.protection.outlook.com include:45764641.spf04.hubspotemail.net ~all
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