Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cstmr.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-17 18:11:22 UTC · ↺ Refresh
MX Hostnames
- alt1.aspmx.l.google.com
- alt2.aspmx.l.google.com
- aspmx.l.google.com
- alt2.aspmx.l.google.com
- aspmx.l.google.com
- alt4.aspmx.l.google.com
- alt1.aspmx.l.google.com
- alt3.aspmx.l.google.com
- aspmx3.googlemail.com
- aspmx2.googlemail.com
MX Priorities
- alt2.aspmx.l.google.com: 20
- aspmx.l.google.com: 10
- aspmx2.googlemail.com: 30
- aspmx3.googlemail.com: 30
- aspmx.l.google.com: 1
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
- alt3.aspmx.l.google.com: 10
- alt4.aspmx.l.google.com: 10
- alt1.aspmx.l.google.com: 20
A / AAAA Records
- 141.193.213.10 (no PTR)
- 141.193.213.11 (no PTR)
Mail Server IPs
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 192.178.155.27 ↩ yuiadrs-in-f27.1e100.net
- 2607:f8b0:4004:c0b::1a ↩ bj-in-f26.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
SOA Record
Raw SOA
ns71.domaincontrol.com dns.jomax.net 2025041000 28800 7200 604800 600
Primary NS (mname)
ns71.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025041000
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns72.domaincontrol.com
ns71.domaincontrol.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:relay.mailchannels.net include:mail1.wpengine.com include:bf07x.hubspotemail.net include:2256315.spf07.hubspotemail.net ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; sp=reject; adkim=s; aspf=s;
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 1 found
google._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
2 records- SPFv=spf1 include:_spf.google.com include:relay.mailchannels.net include:mail1.wpengine.com include:bf07x.hubspotemail.net include:2256315.spf07.hubspotemail.net ~all
- google-site-verification=fvPIYGLP_MRQ8RPdDdBnPjzezrk3MA17odlaQNJT1PI
Full email verification for cstmr.com
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