Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sterlingts.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 01:58:13 UTC · ↺ Refresh
MX Hostnames
- sterlingts-com.mail.protection.outlook.com
MX Priorities
- sterlingts-com.mail.protection.outlook.com: 0
A / AAAA Records
- 141.193.213.11 (no PTR)
- 141.193.213.10 (no PTR)
Mail Server IPs
- 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
- 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
- 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
- 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
- 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-1692.awsdns-19.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1692.awsdns-19.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1692.awsdns-19.co.uk
ns-225.awsdns-28.com
ns-933.awsdns-52.net
ns-1121.awsdns-12.org
SPF Record
✓ Strict (-all)
v=spf1 ip4:20.72.168.253 include:spf.protection.outlook.com include:_spf.salesforce.com include:spf.dynect.net include:spf.sterlingts.com include:mailsenders.netsuite.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]; fo=1:d:s; pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],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
14 records- zoho-verification=zb79200603.zmverify.zoho.com
- 863d4c114c4876763df4b1764d35ec415b35e670
- A7qlOO8lLY68HGcZoszDS5kmmrO7GfzIrs/TXXCaDiBROWo/Zuf+FYftT+dgvU3gSEqzAHKdcAmUTAwudKfQkQ==
- MS=ms85676915
- _xjfxatbrts14ae979od7bz73bbgriax
- apple-domain-verification=APa5bGY6KqHTQexR
- atlassian-domain-verification=j09ZzIprP4ebAKhLK2nmA1gs5cGKvKx9Y5BBghwoHDT+R0g/eMTQPkoYA1FNnTl8
- cisco-ci-domain-verification=1268315f5234cc17acfc4f36caf41cc52125761a709fc244d17ca70c7d597f81
- docker-verification=47be1641-70c0-4db9-9987-7911d8744ae3
- google-site-verification=vpDHaO01KBrj8VnugEAE7ZoIhuc6fzW6gvjWg8uy2HA
- new-relic-domain-verification=45f10e97e2254ac2b44b7791028562c4
- smartsheet-site-validation=H7hoNbxMjyQXBUFDrTf4D1fduqHcGAHf
- SPFv=spf1 ip4:20.72.168.253 include:spf.protection.outlook.com include:_spf.salesforce.com include:spf.dynect.net include:spf.sterlingts.com include:mailsenders.netsuite.com -all
- zapier-domain-verification-challenge=b18f9fb4-1864-4fff-9e78-897aad49bab8
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