Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gapup.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-19 07:09:17 UTC · ↺ Refresh
MX Hostnames
- gapup-com.mail.protection.outlook.com
MX Priorities
- gapup-com.mail.protection.outlook.com: 0
A / AAAA Records
- 34.120.190.48 ↩ 48.190.120.34.bc.googleusercontent.com
- 34.149.120.3 ↩ 3.120.149.34.bc.googleusercontent.com
- 34.160.81.203
- 34.149.36.179
Mail Server IPs
- 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
- 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
- 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
- 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
- 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
- 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
- 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.siteground.net dnsadmin.us263.siteground.us 2020092614 86400 7200 3600000 86400
Primary NS (mname)
ns1.siteground.net
Admin Email (rname)
dnsadmin@us263.siteground.us
Serial
2020092614
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns1.siteground.net
ns2.siteground.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:gapup.com.spf.auto.dnssmarthost.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; rua=mailto:[email protected]; pct=100
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._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
5 records- SPFv=spf1 include:spf.protection.outlook.com include:gapup.com.spf.auto.dnssmarthost.net -all
- apple-domain-verification=yFoogcO2d-FZNwo9LuYJMOuKoBoB-tp0auKMQK8cE3Y
- google-site-verification=dVbf5Z4rmdlFUOW2iTvRFIxvsriS1C0C535TUNAWLGk
- v=verifydomain MS=9332223
- apple-domain-verification=wuchKS7AVp46LScndt6JWIt_ABHCnr3dTIKoz16Ax0U
Full email verification for gapup.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits