Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
esu5.org
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 07:28:25 UTC · ↺ Refresh
MX Hostnames
- alt2.aspmx.l.google.com
- aspmx.l.google.com
- alt4.aspmx.l.google.com
- alt3.aspmx.l.google.com
- alt1.aspmx.l.google.com
MX Priorities
- alt4.aspmx.l.google.com: 10
- alt3.aspmx.l.google.com: 10
- alt2.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
- alt1.aspmx.l.google.com: 5
A / AAAA Records
- 23.185.0.2
Mail Server IPs
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1b ↩ ws-in-f27.1e100.net
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 142.251.167.26 ↩ ww-in-f26.1e100.net
- 2607:f8b0:4004:c06::1a ↩ bg-in-f26.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
SOA Record
Raw SOA
ns0.esu5.org rmcdowell.esu5.org 2009010176 43200 3600 1209600 180
Primary NS (mname)
ns0.esu5.org
Admin Email (rname)
rmcdowell@esu5.org
Serial
2009010176
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns0.esu5.org
ns1.esu5.org
ns2.esu5.org
ns3.esu5.org
ns4.esu5.org
ns5.esu5.org
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:97.65.91.0/24 ip4:207.250.170.0/26 ip4:207.250.245.64/26 ip4:162.127.23.244 a:hmail.jitbit.com include:_spf.psm.knowbe4.com include:_spf.google.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
5 records- SPFv=spf1 ip4:97.65.91.0/24 ip4:207.250.170.0/26 ip4:207.250.245.64/26 ip4:162.127.23.244 a:hmail.jitbit.com include:_spf.psm.knowbe4.com include:_spf.google.com ~all
- adobe-idp-site-verification=32335d45252f724593faf23e28c480f87c8d6468aa554c0e919428a203b7d01f
- apple-domain-verification=6WjcQ3OtvaW8eQj6
- mosyle-verification=57343628
- MS=6E4BE4F234A5E0B47F660BEDA87C1728421542D0
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