Domain Overview
DNS: ✓ 10h ago
Checker: ✓ 10h ago
sigmaplastics.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-20 13:50:17 UTC · ↺ Refresh
MX Hostnames
- sigmaplastics-com.mail.protection.outlook.com
MX Priorities
- sigmaplastics-com.mail.protection.outlook.com: 0
A / AAAA Records
- 207.99.98.221 ↩ mail.sigmaplastics.com
Mail Server IPs
- 52.101.9.17 (no PTR)
- 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
- 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
- 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
SOA Record
Raw SOA
ns41.cloudns.net support.cloudns.net 2026031601 7200 1800 1209600 3600
Primary NS (mname)
ns41.cloudns.net
Admin Email (rname)
support@cloudns.net
Serial
2026031601
Refresh
7200s
Retry
1800s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns1.stmicro.net
ns4.stmicro.net
ns3.stmicro.net
ns2.stmicro.net
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:207.99.98.221 ip4:74.143.163.34 ip4:207.99.98.222 ip4:65.191.233.250 include:spf.protection.outlook.com include:spf.myconnectwise.net include:spf.us1.defend.egress.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],mailto:[email protected]; fo=1; pct=50
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
⚠ Policy applies to 50% 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
7 records- MS=ms66270485
- htbjdcv8f6ui2i3fatgi794jr3
- knowbe4-site-verification=42cc0dc6875a75319b7399e901619a57
- ic5kibgnafiqea64i6ludu1ufg
- SPFv=spf1 a mx ip4:207.99.98.221 ip4:74.143.163.34 ip4:207.99.98.222 ip4:65.191.233.250 include:spf.protection.outlook.com include:spf.myconnectwise.net include:spf.us1.defend.egress.com -all
- bh9fi6v51s396cgppfe6huious
- lhbZhG8pTGxUvh3s45urslsEoAzND61Yx4i7WSq4LT6sF4nkh1BELOmneP/7r3+KoL4pVaWurawAdqdIzmlJVg==
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