Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
backflow.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 20:55:50 UTC · ↺ Refresh
MX Hostnames
- backflow-com.mail.protection.outlook.com
MX Priorities
- backflow-com.mail.protection.outlook.com: 0
A / AAAA Records
- 54.214.26.77 ↩ ec2-54-214-26-77.us-west-2.compute.amazonaws.com
Mail Server IPs
- 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
- 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
- 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
- 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
- 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-2001.awsdns-58.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-2001.awsdns-58.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-11.awsdns-01.com
ns-1495.awsdns-58.org
ns-2001.awsdns-58.co.uk
ns-540.awsdns-03.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:168.245.51.65 ip4:52.39.200.66 ip4:167.89.87.244 include:sendgrid.net include:bsionlinetracking.com include:spf.protection.outlook.com include:helpscoutemail.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 ip4:168.245.51.65 ip4:52.39.200.66 ip4:167.89.87.244 include:sendgrid.net include:bsionlinetracking.com include:spf.protection.outlook.com include:helpscoutemail.com -all
- google-site-verification=JLcWzTtZOD0QBONR83N14GZBZffC2rxUnyYsONRDPuE
Full email verification for backflow.com
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