Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
demco.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 05:05:16 UTC · ↺ Refresh
MX Hostnames
- demco-com.mail.protection.outlook.com
MX Priorities
- demco-com.mail.protection.outlook.com: 0
A / AAAA Records
- 151.101.193.124 (no PTR)
- 151.101.65.124 (no PTR)
- 151.101.1.124
- 151.101.129.124
Mail Server IPs
- 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
- 52.101.11.2 ↩ mail-sn1pr03cu00102.inbound.protection.outlook.com
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
- 2a01:111:f403:f90b:: ↩ mail-bn6pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
- 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-957.awsdns-55.net awsdns-hostmaster.amazon.com 2023053102 7200 900 1209600 86400
Primary NS (mname)
ns-957.awsdns-55.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
2023053102
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1859.awsdns-40.co.uk
ns-260.awsdns-32.com
ns-957.awsdns-55.net
ns-1195.awsdns-21.org
SPF Record
✓ Strict (-all)
v=spf1 ip4:208.85.55.155 ip4:35.131.9.160/27 ip4:209.64.109.160/27 include:spf.protection.outlook.com include:_spf.salesforce.com include:sendgrid.net include:spf-us.emailsignatures365.com include:amazonses.com include:_spf.mlsend.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;sp=reject;pct=100;rua=mailto:[email protected];ri=86400;aspf=r;adkim=r;fo=0
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
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
8 records- ZOOM_verify_osYDaDy0gjoYHoFyjV8lvA
- _globalsign-domain-verification=5brT79TMdSS5HuhYeHjted_COJZdajzWUMfywu1EEU
- docusign=30a59d65-091f-4ce0-bcf2-37e5bce8e094
- google-gws-recovery-domain-verification=63174832
- google-site-verification=kV_JPOpsQXDf6avnCrR_Asw8euzyaAzIjqYsoYCJKMc
- SPFv=spf1 ip4:208.85.55.155 ip4:35.131.9.160/27 ip4:209.64.109.160/27 include:spf.protection.outlook.com include:_spf.salesforce.com include:sendgrid.net include:spf-us.emailsignatures365.com include:amazonses.com include:_spf.mlsend.com -all
- LUJi/8ZRrQWgvY5yy+so09Nw9OmVrM09R6zG/p+hqK19jtcie6cg8ykeD0yut+ER3j+i7xms01diEdvRaTN8cA==
- MS=ms68929690
Full email verification for demco.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits