Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
russellcellular.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 21:34:19 UTC · ↺ Refresh
MX Hostnames
- russellcellular-com.mail.protection.outlook.com
MX Priorities
- russellcellular-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.16.81.94 (no PTR)
- 104.16.82.94 (no PTR)
Mail Server IPs
- 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
- 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.nexcess.net hostmaster.russellcellular.com 1769696611 7200 2048 1048576 2560
Primary NS (mname)
ns1.nexcess.net
Admin Email (rname)
hostmaster@russellcellular.com
Serial
1769696611
Refresh
7200s
Retry
2048s
Expire
1048576s
Minimum TTL
2560s
Nameservers (NS)
ns2.nexcess.net
ns1.nexcess.net
ns4.nexcess.net
ns3.nexcess.net
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:66.35.45.217/32 ip4:20.151.0.20/32 ip4:40.122.70.173/32 ip4:40.79.76.144/32 include:spf.protection.outlook.com include:_spf.dayforcehcm.com include:_spf.salesforce.com include:cust-spf.exacttarget.com include:mail.zendesk.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: reject
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
5 records- apple-domain-verification=KPXK5GHWDl1LtYbT
- SPFv=spf1 ip4:66.35.45.217/32 ip4:20.151.0.20/32 ip4:40.122.70.173/32 ip4:40.79.76.144/32 include:spf.protection.outlook.com include:_spf.dayforcehcm.com include:_spf.salesforce.com include:cust-spf.exacttarget.com include:mail.zendesk.com ~all
- bw=AMqITaI9Tn4cGyuVsmuL/AokdKTgttOqDKZJEWbJbTPW
- 84j8rpglgtsbslh2kb5slmq0t4w03s8v
- asv=03bf4b81082280c7ee77a7c8f656ef96
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