Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
onu.edu
Yes
✓ Yes
Google
No
Yes
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-04 23:12:20 UTC · ↺ Refresh
MX Hostnames
- ALT3.ASPMX.L.GOOGLE.COM
- ALT4.ASPMX.L.GOOGLE.COM
- ALT1.ASPMX.L.GOOGLE.COM
- ALT2.ASPMX.L.GOOGLE.COM
- ASPMX.L.GOOGLE.COM
MX Priorities
- aspmx.l.google.com: 1
- alt1.aspmx.l.google.com: 5
- alt4.aspmx.l.google.com: 10
- alt2.aspmx.l.google.com: 5
- alt3.aspmx.l.google.com: 10
A / AAAA Records
- 23.185.0.2
- 2620:12a:8000::2
- 2620:12a:8001::2
Mail Server IPs
- 192.178.218.27 ↩ yuiadtq-in-f27.1e100.net
- 2607:f8b0:4004:c1b::1b ↩ wv-in-f27.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-f26.1e100.net
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
SOA Record
Raw SOA
ns1.onu.edu dns.onu.edu 2014117243 3600 900 3600000 3600
Primary NS (mname)
ns1.onu.edu
Admin Email (rname)
dns@onu.edu
Serial
2014117243
Refresh
3600s
Retry
900s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
ns1.onu.edu
ns4.oar.net
ns5.oar.net
ns2.onu.edu
ns6.oar.net
ns7.oar.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf0.onu.edu -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=75; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=0:1:d:s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 75% of failing messages only
DKIM Selectors
✓ 4 found
google._domainkey
k1._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
13 records- google-site-verification=Keia9RJ7S1x16yfWTtW8dho7gr3VOQ_yRcZWnVLODd4
- ZOOM_verify_gsdSqy0zS8Sr735uiBfUXQ
- TT0F2VD1LAXWGI69PQ9VBEUOJR9R7RPZ2DBNVL44G
- SPFv=spf1 include:spf0.onu.edu -all
- adobe-idp-site-verification=f6f89fa203b5769846fa90fa1748fd4b1813b1a3e2ac3ec758bceba68e67d612
- cisco-ci-domain-verification=7af4a8a8979f40ce289826adc158f97809541070d827868993e82ccb51a6cbba
- autodesk-domain-verification=QNCNVe8UfIqF3YGpwKT3
- duo_sso_verification=fZlEKLRbt21KPva46rOGsplU25AQp5qsS7khjCcDytAhxok7bDYIs1KS1THVjhn5
- google-site-verification=X5Zisi0zcvQ7ziJxdGlxaPEcEFOWJ8lq0YBatVCxQvg
- d365mktkey=6gpkjdw152n5at9xtomv3wbjz
- apple-domain-verification=ZiMqqe0qUWUARDRl
- d365mktkey=7anmukne6vubui16bybs1dmem
- MS=D787F928F9EEDBF6388DAC35F20FAF88068C918C
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