Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
aps.edu
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-29 18:53:43 UTC · ↺ Refresh
MX Hostnames
- alt3.aspmx.l.google.com
- aspmx.l.google.com
- alt2.aspmx.l.google.com
- alt4.aspmx.l.google.com
- alt1.aspmx.l.google.com
MX Priorities
- alt4.aspmx.l.google.com: 10
- aspmx.l.google.com: 1
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
- alt3.aspmx.l.google.com: 10
A / AAAA Records
- 172.66.158.150
- 104.20.28.165
Mail Server IPs
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1b ↩ ws-in-x1b.1e100.net
- 142.251.179.27 ↩ pd-in-f27.1e100.net
- 2607:f8b0:4004:c17::1b ↩ bl-in-f27.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 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::1a ↩ yulhrs-in-f26.1e100.net
SOA Record
Raw SOA
ns3.aps.edu administrator.aps.edu 2008074197 3600 900 1209600 3600
Primary NS (mname)
ns3.aps.edu
Admin Email (rname)
administrator@aps.edu
Serial
2008074197
Refresh
3600s
Retry
900s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
authns1.mpls.qwest.net
ns3.aps.edu
ns4.aps.edu
authns3.sttl.qwest.net
authns2.dnvr.qwest.net
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.google.com include:_spf.psm.knowbe4.com ip4:23.21.109.197 ip4:23.21.109.212 ip4:147.160.167.0/26 include:customerspf.schoolmessenger.com include:e2ma.net ip4:216.151.85.0/24 include:k12-lets-talk.com include:K12insightllc.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;pct=100;rua=mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected],mailto:[email protected];ri=86400;fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 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: 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
18 records- jamf-site-verification=HIYSsOKrC25_e6mdS6a5eg
- e2ma-verification=bppfb
- zapier-domain-verification-challenge=8a0d8f3e-1d3c-4201-aee0-f2c7cf14fb62
- e2ma-verification=q2wfb
- e2ma-verification=erfgb
- e2ma-verification=p2wfb
- e2ma-verification=ky5bb
- e2ma-verification=r2ffb
- e2ma-verification=qy5bb
- SPFv=spf1 include:_spf.google.com include:_spf.psm.knowbe4.com ip4:23.21.109.197 ip4:23.21.109.212 ip4:147.160.167.0/26 include:customerspf.schoolmessenger.com include:e2ma.net ip4:216.151.85.0/24 include:k12-lets-talk.com include:K12insightllc.com -all
- adobe-idp-site-verification=4c182628c13e66eb2b34c7ddb12be5559480262515fd7fedf0c6d2580be9cacc
- airtable-verification=641d1348f6c3d11856a0f8e528262c9d
- apple-domain-verification=uvd2s6OtjX1SQN9C
- e2ma-verification=9rlcb
- e2ma-0verification=uqdcb
- e2ma-verification=ntofb
- e2ma-verification=0nhgb
- _1stjwxi72docn156suymv0ywe00eb8y
Full email verification for aps.edu
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