Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sterlingtransportation.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 14:27:01 UTC · ↺ Refresh
MX Hostnames
- sterlingtransportation-com.inbound.emailservice.io
- sterlingtransportation-com.inbound.emailservice.cc
- sterlingtransportation-com.inbound.emailservice.co
MX Priorities
- sterlingtransportation-com.inbound.emailservice.co: 30
- sterlingtransportation-com.inbound.emailservice.cc: 20
- sterlingtransportation-com.inbound.emailservice.io: 10
A / AAAA Records
- 35.226.20.86 ↩ 86.20.226.35.bc.googleusercontent.com
Mail Server IPs
- 107.21.241.201 ↩ ec2-107-21-241-201.compute-1.amazonaws.com
- 52.44.33.109 ↩ ec2-52-44-33-109.compute-1.amazonaws.com
- 54.211.15.143 ↩ ec2-54-211-15-143.compute-1.amazonaws.com
SOA Record
Raw SOA
ns19.worldnic.com namehost.worldnic.com 125110716 10800 3600 604800 3600
Primary NS (mname)
ns19.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125110716
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns19.worldnic.com
ns20.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.sterlingtransportation_com._d.easydmarc.pro ~all
📊 DNS lookups: 1/10
~ 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
✓ 5 found
selector1._domainkey
selector2._domainkey
mail._domainkey
s1._domainkey
s2._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
10 records- SPFv=spf1 include:_spf.sterlingtransportation_com._d.easydmarc.pro ~all
- RTMNSOU2T5V3Q139UM4FQJ2DMB
- MS=ms71470001
- Sendinblue-code:4e596b823fffe060ed2c64d2b6bd25ca
- eurkjahabdv9lrqro94ac14cfb
- 55866dcbd3
- rack1ig97ibl95ek06ps4krg12
- duo_sso_verification=tH4bhRy0SLRRZDV781HHfXSWfJdkxNyOuD5RjcmeuCg1Py4hLlHZZbPN5cxEzvv8
- i1m8cul4jj7p7tmf7kp02mv544
- cxYDB4C
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