Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rssi.us.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 00:47:02 UTC · ↺ Refresh
MX Hostnames
- rssi.mail.protection.office365.us
MX Priorities
- rssi.mail.protection.office365.us: 20
A / AAAA Records
- 216.92.138.56 ↩ rssi.us.com
Mail Server IPs
- 23.103.199.138 ↩ mail-bn3usg020138.inbound.protection.outlook.com
- 23.103.199.170 ↩ mail-cy1usg020170.inbound.protection.outlook.com
- 2001:489a:2202:4::10 ↩ mail-bn3usg020010.inbound.protection.outlook.com
- 2001:489a:2202:5::10 ↩ mail-cy1usg020010.inbound.protection.outlook.com
SOA Record
Raw SOA
dns4.pair.com root.pair.com 2025111819 3600 300 604800 3600
Primary NS (mname)
dns4.pair.com
Admin Email (rname)
root@pair.com
Serial
2025111819
Refresh
3600s
Retry
300s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
dns4.pair.com
ns00.ns0.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.smtp2go.com include:spf.ess.barracudanetworks.com include:spf.protection.office365.us -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
4 records- MS=ms70544264
- SPFv=spf1 include:spf.protection.outlook.com include:spf.smtp2go.com include:spf.ess.barracudanetworks.com include:spf.protection.office365.us -all
- duo_sso_verification=LWG8zsy2ys9tEV11KJYg7nWb7FB7EaPjQbfuqDKhpskKlwBgQbbKGnTKAJu1W6EV
- UGOJLJLUH8VV8RMGPITRA66QHM
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