Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ipbtel.com
Yes
✓ Yes
Mailgun
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-29 13:45:32 UTC · ↺ Refresh
MX Hostnames
- mxa.mailgun.org
- c3ntro-com.p10.spamhero.com
- aspmx.l.google.com
- mxb.mailgun.org
- c3ntro-com.p30.spamhero.net
- aspmx3.googlemail.com
- alt2.aspmx.l.google.com
- c3ntro-com.p20.spamhero.net
- ipbtel-com.mail.protection.outlook.com
- aspmx2.googlemail.com
- alt1.aspmx.l.google.com
- c3ntro-com.p40.spamhero.net
MX Priorities
- c3ntro-com.p20.spamhero.net: 1
- c3ntro-com.p30.spamhero.net: 2
- c3ntro-com.p40.spamhero.net: 3
- mxa.mailgun.org: 10
- mxb.mailgun.org: 10
- alt1.aspmx.l.google.com: 10
- alt2.aspmx.l.google.com: 15
- aspmx.l.google.com: 10
- aspmx2.googlemail.com: 15
- aspmx3.googlemail.com: 15
- ipbtel-com.mail.protection.outlook.com: 20
- c3ntro-com.p10.spamhero.com: 0
A / AAAA Records
- 104.152.200.24 ↩ 104-152-200-24.static.c3ntro.com
Mail Server IPs
- 216.172.106.53 ↩ bolt104a.mxthunder.net
- 209.41.68.167 ↩ bolt104b.mxthunder.net
- 34.160.63.108 ↩ 108.63.160.34.bc.googleusercontent.com
- 34.149.236.64 ↩ 64.236.149.34.bc.googleusercontent.com
SOA Record
Raw SOA
pdns07.domaincontrol.com dns.jomax.net 2026031305 28800 7200 604800 3600
Primary NS (mname)
pdns07.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026031305
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
pdns08.domaincontrol.com
pdns07.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.google.com include:spf.protection.outlook.com include:mailgun.org -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=10; fo=1; ri=86400; sp=none; adkim=r; aspf=r; rua=mailto:[email protected],mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected],mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: none
⚠ Policy applies to 10% of failing messages only
DKIM Selectors
✓ 3 found
google._domainkey
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- google-site-verification=fLFRFMR_rPpndf3ViB10m1nO4K8Wr2QHWwDBAn8m4Gs
- _8abrfzzu40sy4dmb4h2dvo5u38uq5t6
- SPFv=spf1 include:_spf.google.com include:spf.protection.outlook.com include:mailgun.org -all
- MS=ms70585034
Full email verification for ipbtel.com
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