Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
singlesourcetech.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 21:15:03 UTC · ↺ Refresh
MX Hostnames
- singlesourcetech-com.mail.protection.outlook.com
MX Priorities
- singlesourcetech-com.mail.protection.outlook.com: 1
A / AAAA Records
- 104.18.9.124 (no PTR)
- 104.18.8.124 (no PTR)
- 2606:4700::6812:87c
- 2606:4700::6812:97c
Mail Server IPs
- 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
- 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
- 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
SOA Record
Raw SOA
dahlia.ns.cloudflare.com dns.cloudflare.com 2397490427 10000 2400 604800 1800
Primary NS (mname)
dahlia.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397490427
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
trey.ns.cloudflare.com
dahlia.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx ip4:64.156.56.81 ip4:66.161.247.236 include:spf.protection.outlook.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;fo=1;rua=mailto:[email protected];ruf=mailto:[email protected];pct=10
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 10% of failing messages only
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
3 records- SPFv=spf1 mx ip4:64.156.56.81 ip4:66.161.247.236 include:spf.protection.outlook.com ~all
- 86IdyfEqkezM/auGLbmp7VSDk6G+6EzKoKGkk3djaJX2k+DaTSvIomyqIyWggRct52/uLOX8H3AW6Az5Q/Yx9g==
- atlassian-domain-verification=t2agY/tHTvJicuPChhYf9W6jTCFLDhZ/oqCtXpORfFZW7aSZbwY5RP3KwKEEqRdV
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