Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
synergycd.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 07:38:30 UTC · ↺ Refresh
MX Hostnames
- synergycd-com.mail.protection.outlook.com
MX Priorities
- synergycd-com.mail.protection.outlook.com: 0
A / AAAA Records
- 100.25.71.182 ↩ ec2-100-25-71-182.compute-1.amazonaws.com
Mail Server IPs
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
- 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com
- 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.tigertech.net support.tigertech.net 2026031502 7200 1800 1209600 900
Primary NS (mname)
ns1.tigertech.net
Admin Email (rname)
support@tigertech.net
Serial
2026031502
Refresh
7200s
Retry
1800s
Expire
1209600s
Minimum TTL
900s
Nameservers (NS)
ns1.tigertech.net
ns2.tigertech.biz
ns3.tigertech.org
SPF Record
✓ Strict (-all)
v=spf1 include:tigertech.net include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
2 records- SPFv=spf1 include:tigertech.net include:spf.protection.outlook.com -all
- MS=ms10687209
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