Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
retemex.mx
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-01 04:37:48 UTC · ↺ Refresh
MX Hostnames
- smtp.google.com
MX Priorities
- smtp.google.com: 1
A / AAAA Records
- 34.192.139.13 ↩ ec2-34-192-139-13.compute-1.amazonaws.com
- 44.220.113.52
- 100.31.174.98
- 54.208.238.66
- 35.153.83.191
- 100.27.129.213
Mail Server IPs
- 64.233.180.27 ↩ pe-in-f27.1e100.net
- 142.251.16.27 ↩ bl-in-f27.1e100.net
- 142.251.111.27 ↩ bk-in-f27.1e100.net
- 142.251.16.26 ↩ bl-in-f26.1e100.net
- 64.233.180.26 ↩ on-in-f26.1e100.net
- 2607:f8b0:4004:c21::1b ↩ pe-in-f27.1e100.net
- 2607:f8b0:4004:c17::1a ↩ bl-in-f26.1e100.net
- 2607:f8b0:4004:c21::1a ↩ pe-in-f26.1e100.net
- 2607:f8b0:4004:c19::1a ↩ bk-in-f26.1e100.net
SOA Record
Raw SOA
ns-550.awsdns-04.net awsdns-hostmaster.amazon.com 2025060901 7200 900 1209600 86400
Primary NS (mname)
ns-550.awsdns-04.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
2025060901
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-247.awsdns-30.com
ns-550.awsdns-04.net
ns-1435.awsdns-51.org
ns-1677.awsdns-17.co.uk
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:sendgrid.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected],mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 3 found
google._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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
1 record- SPFv=spf1 include:_spf.google.com include:sendgrid.com ~all
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