Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
esu1.org
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 17:56:34 UTC · ↺ Refresh
MX Hostnames
- fortimail-east.esucc.org
- alt3.aspmx.l.google.com
- alt1.aspmx.l.google.com
- fortimail-west.esucc.org
- aspmx.l.google.com
- alt4.aspmx.l.google.com
- alt2.aspmx.l.google.com
MX Priorities
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
- aspmx.l.google.com: 5
- fortimail-east.esucc.org: 1
- fortimail-west.esucc.org: 1
- alt3.aspmx.l.google.com: 10
- alt4.aspmx.l.google.com: 10
A / AAAA Records
- 52.5.5.85 ↩ ec2-52-5-5-85.compute-1.amazonaws.com
Mail Server IPs
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 142.251.163.26 ↩ wv-in-f26.1e100.net
- 2607:f8b0:4004:c08::1b ↩ bi-in-f27.1e100.net
- 162.127.3.2 ↩ fortimail-east.esucc.org
- 162.127.3.10 ↩ fortimail-west.esucc.org
SOA Record
Raw SOA
harmony.ns.cloudflare.com dns.cloudflare.com 2399769363 10000 2400 604800 1800
Primary NS (mname)
harmony.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399769363
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
wilson.ns.cloudflare.com
harmony.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:customerspf.schoolmessenger.com include:_spf.firespring.com include:sendgrid.net include:_spf.e2ma.net ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; fo=1; aspf=r;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
google._domainkey
✓ Public key: 186 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
10 records- SPFv=spf1 include:_spf.google.com include:customerspf.schoolmessenger.com include:_spf.firespring.com include:sendgrid.net include:_spf.e2ma.net ~all
- 2bgjt1bmc68r8qivjd88l7vs6c
- MS=B193984C3695FD1731D03A73693AB58FE510FD8E
- adobe-idp-site-verification=32335d45252f724593faf23e28c480f87c8d6468aa554c0e919428a203b7d01f
- e2ma-verification=iurgb
- google-site-verification=ReNUrEqlntrcG5sFK-nIGNp7LkLXu1VcQTJ_COxEkjo
- jamf-site-verification=mADG0CE_1gJow--UyZ63KA
- jg1bqhr9sq1dtuof5io08ocfg
- mandrill_verify.8nTkQLK0RC6LhicWjuUK9A
- openai-domain-verification=dv-oLiWxM77KlFVSKZRVb738Kfd
Full email verification for esu1.org
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