Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
greymatter.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 05:57:44 UTC · ↺ Refresh
MX Hostnames
- greymatter-com.mail.protection.outlook.com
MX Priorities
- greymatter-com.mail.protection.outlook.com: 10
A / AAAA Records
- 141.193.213.20 (no PTR)
- 141.193.213.21 (no PTR)
Mail Server IPs
- 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
- 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
- 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
SOA Record
Raw SOA
ns59.domaincontrol.com dns.jomax.net 2026022400 28800 7200 604800 600
Primary NS (mname)
ns59.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026022400
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns59.domaincontrol.com
ns60.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:cdfgroupltd.com ip4:173.251.66.251 ip4:173.251.66.131 include:spf.protection.outlook.com include:spf-us.emailsignatures365.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=10; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 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: 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- MS=ms51749275
- _49on34iyc2thsm6qcjovqo14bxjy3mj
- _hy0a2q2c1f5b0zary0yyl6dkdaw5pyg
- d365mktkey=70HlEZoCqDGhyhxym0Dgv0YR5lJZbQcZIz5M3bhJBscx
- nitro-verification-code=MzYzMzg0OTE5Nzc5MTI2ODA5MQ==
- 8l4l2mncmybck1b9m80dp6gpwz4ft6qn
- 6pluiaa0jeau9q6alee5pqo36m
- MS=ms47156782
- knowbe4-site-verification=74148af8f7e889fae9cab21e21b59a25
- mindmanager-verification=c49eb6bbc8b52fd28e99d42a7f29a3bd0c0f6bdf707fce1d10c6ccacc2e281d6
- SPFv=spf1 include:cdfgroupltd.com ip4:173.251.66.251 ip4:173.251.66.131 include:spf.protection.outlook.com include:spf-us.emailsignatures365.com -all
- apple-domain-verification=Moe2dKoRFt0sPPpx
- MS=ms95080049
- citrix-verification-code=ed8bffba-d1b2-4d32-bc91-c37520c02ac9
Full email verification for greymatter.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits