Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
umarista.edu.mx
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 15:51:59 UTC · ↺ Refresh
MX Hostnames
- aspmx4.googlemail.com
- aspmx.l.google.com
- aspmx5.googlemail.com
- alt1.aspmx.l.google.com
- aspmx3.googlemail.com
- alt2.aspmx.l.google.com
- aspmx2.googlemail.com
MX Priorities
- alt2.aspmx.l.google.com: 20
- aspmx2.googlemail.com: 30
- aspmx3.googlemail.com: 30
- aspmx4.googlemail.com: 30
- aspmx5.googlemail.com: 30
- aspmx.l.google.com: 10
- alt1.aspmx.l.google.com: 20
A / AAAA Records
- 54.205.83.154 ↩ ec2-54-205-83-154.compute-1.amazonaws.com
Mail Server IPs
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-f26.1e100.net
SOA Record
Raw SOA
ns-849.awsdns-42.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-849.awsdns-42.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-317.awsdns-39.com
ns-849.awsdns-42.net
ns-1394.awsdns-46.org
ns-2007.awsdns-58.co.uk
SPF Record
✗ MissingNo SPF record — domain is unprotected against spoofing.
⚠ No SPF record found. Email servers cannot verify authorized senders.
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- MS=F9FC554336A8EAFB897B7642830E677B37E939A6
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