Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
centerlinedrivers.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 17:13:34 UTC · ↺ Refresh
MX Hostnames
- centerlinedrivers-com.mail.protection.outlook.com
MX Priorities
- centerlinedrivers-com.mail.protection.outlook.com: 0
A / AAAA Records
- 3.168.73.124 ↩ server-3-168-73-124.jfk50.r.cloudfront.net
- 3.168.73.64 ↩ server-3-168-73-64.jfk50.r.cloudfront.net
- 3.168.73.7
- 3.168.73.81
Mail Server IPs
- 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
- 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-1474.awsdns-56.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1474.awsdns-56.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1629.awsdns-11.co.uk
ns-571.awsdns-07.net
ns-139.awsdns-17.com
ns-1474.awsdns-56.org
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.psm.knowbe4.com include:_spf.qualtrics.com include:aspmx.pardot.com include:email-od.com include:spf.protection.outlook.com ip4:142.0.176.0/20 ip4:162.220.224.0/22 ~all
📊 DNS lookups: 5/10
~ 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
✓ 3 found
selector1._domainkey
selector2._domainkey
dkim._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
9 records- pardot868061=3e6ca862076dee9e1317cfb4a3c8e744ffa6ba7a270d72355cbf26e9ac48e12d
- pardot868061=e64a37e4313614fd8169ca2622d49708eee633573a3c2e20646185ef8ae76424
- SPFv=spf1 include:_spf.psm.knowbe4.com include:_spf.qualtrics.com include:aspmx.pardot.com include:email-od.com include:spf.protection.outlook.com ip4:142.0.176.0/20 ip4:162.220.224.0/22 ~all
- MS=ms54677267
- a3pcev3Z+PBpx2DLHPV0SOdR5S426Bt8WxO8WN+XdqguIXP9WhpiebOaUtAQmK0OsEGhCF27J/vPX+zYzNXZ1A==
- cisco-ci-domain-verification=2e991db6d5962c5fb06bef767879633b6bf206bf02aabca21db8176ea57824ae
- facebook-domain-verification=4rgnp23gnxpxrfrdefvfpzugdorlry
- google-site-verification=4nThxeNxI_jphLm8s5XQ7vtfsu5-IVOTrT1dVFmBmfE
- knowbe4-site-verification=803865222ed73127a3e9b3e155ae8e8a
Full email verification for centerlinedrivers.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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