Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sterlingcheck.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 23:47:04 UTC · ↺ Refresh
MX Hostnames
- sterlingcheck-com.mail.protection.outlook.com
MX Priorities
- sterlingcheck-com.mail.protection.outlook.com: 0
A / AAAA Records
- 141.193.213.11 (no PTR)
- 141.193.213.10 (no PTR)
Mail Server IPs
- 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-827.awsdns-39.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-827.awsdns-39.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1160.awsdns-17.org
ns-1721.awsdns-23.co.uk
ns-289.awsdns-36.com
ns-827.awsdns-39.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:20.72.168.253 ip4:10.208.134.94 include:spf.protection.outlook.com include:_spf.salesforce.com include:spf.dynect.net include:spf.sterlingcheck.com include:mailsenders.netsuite.com include:spfs.aravo.com include:amazonses.com -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; pct=100
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
18 records- zoho-verification=zb64741580.zmverify.zoho.com
- MS=ms54808511
- new-relic-domain-verification=dc4c03140bd44291bb083f32baac685c
- apple-domain-verification=C284p3vHHABclPJi
- SPFv=spf1 ip4:20.72.168.253 ip4:10.208.134.94 include:spf.protection.outlook.com include:_spf.salesforce.com include:spf.dynect.net include:spf.sterlingcheck.com include:mailsenders.netsuite.com include:spfs.aravo.com include:amazonses.com -all
- MS=ms38436057
- cisco-ci-domain-verification=411bf992ef40d5679f010caa6f6fd3253b687c61d5396c1346a1d5c94e0dc5ad
- ZAC114700973=domain.zoho.com
- docker-verification=949a2268-8a5d-4885-a29e-f8e661174391
- zoho-verification=zb15732612.zmverify.zoho.com
- zapier-domain-verification-challenge=cdb150a1-f662-4b23-ab25-56277c560532
- google-gws-recovery-domain-verification=51313858
- smartsheet-site-validation=PVAbfyqb08Vsvyjr93okhZ0DYfzbbyje
- teamviewer-sso-verification=5e112b50e58a4d9cabbc23407172e76f
- google-site-verification=nIaWNx6kvmrajS1Q4VZ_HDrDsjCA6aeQ4t-KoTLWYJE
- _09x0oblt378vgtprq1fznfroc9n2ad3
- sterling-domain-verification=f1d2acfc5c17430384ad8bc36efa4550
- atlassian-domain-verification=j09ZzIprP4ebAKhLK2nmA1gs5cGKvKx9Y5BBghwoHDT+R0g/eMTQPkoYA1FNnTl8
Full email verification for sterlingcheck.com
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