Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
challengerfreight.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 03:28:22 UTC · ↺ Refresh
MX Hostnames
- challengerfreight-com.mail.protection.outlook.com
MX Priorities
- challengerfreight-com.mail.protection.outlook.com: 1
A / AAAA Records
- 68.66.200.215 ↩ mi3-tr103.supercp.com
Mail Server IPs
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
- 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
- 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:f903:: (no PTR)
- 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
SOA Record
Raw SOA
ns20.digicertdns.com dns.digicertdns.com 2009010120 43200 3600 1209600 180
Primary NS (mname)
ns20.digicertdns.com
Admin Email (rname)
dns@digicertdns.com
Serial
2009010120
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns25.digicertdns.net
ns20.digicertdns.com
ns21.digicertdns.com
ns24.digicertdns.net
ns23.digicertdns.net
ns22.digicertdns.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:97.77.39.34 ip4:97.77.251.202 ip4:166.166.157.192 ip4:192.252.144.33 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
dkim._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 ip4:97.77.39.34 ip4:97.77.251.202 ip4:166.166.157.192 ip4:192.252.144.33 include:spf.protection.outlook.com -all
- MS=ms73134508
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