Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
jsums.edu
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 22:05:41 UTC · ↺ Refresh
MX Hostnames
- ASPMX2.GOOGLEMAIL.COM
- ALT1.ASPMX.L.GOOGLE.COM
- ASPMX.L.GOOGLE.COM
- ASPMX3.GOOGLEMAIL.COM
- ASPMX4.GOOGLEMAIL.COM
- ALT2.ASPMX.L.GOOGLE.COM
- ASPMX5.GOOGLEMAIL.COM
MX Priorities
- aspmx4.googlemail.com: 30
- aspmx.l.google.com: 10
- aspmx5.googlemail.com: 30
- alt1.aspmx.l.google.com: 20
- aspmx3.googlemail.com: 30
- alt2.aspmx.l.google.com: 20
- aspmx2.googlemail.com: 30
A / AAAA Records
- 23.185.0.4
- 2620:12a:8000::4
- 2620:12a:8001::4
Mail Server IPs
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
- 172.253.115.26 ↩ bg-in-f26.1e100.net
- 2607:f8b0:4004:c08::1b ↩ bi-in-f27.1e100.net
- 173.194.76.26 ↩ ws-in-f26.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-f26.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.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
SOA Record
Raw SOA
sunjsu1.jsums.edu netmanager.jsums.edu 2026031701 43200 7200 2419200 86400
Primary NS (mname)
sunjsu1.jsums.edu
Admin Email (rname)
netmanager@jsums.edu
Serial
2026031701
Refresh
43200s
Retry
7200s
Expire
2419200s
Minimum TTL
86400s
Nameservers (NS)
sunjsu1.jsums.edu
sunjsu3.jsums.edu
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.google.com include:spf.apparmor.com include:_spf.messagegears.net include:amazonses.com include:spf.constantcontact.com ip4:38.106.32.22/32 ip4:38.106.32.46/32 ip4:143.132.8.108 ip4:52.45.50.190 ip4:104.130.122.12 ip4:216.17.113.138 include:spf.elluciancloud.com ip4:143.132.54.19 ip4:216.235.195.0/24 ip4:156.70.47.247 ip4:199.15.225.199 ip4:208.117.49.214/32 include:spf.watermarkinsights.com -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; fo=1; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
google._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
17 records- virtru-site-verify=qWEnpL9c8N9gxerA5xt6UwKypsRSiDBNWXOrbnm3
- adobe-idp-site-verification=7a43e349b437a5d7b5a3eede141c7f9b5b74dbf048dd9777388b6661d66d370a
- _acme-challenge.jsums.edu.=JwID3xRZj-fD59z1Vx2toZgTTkywSx44KUvGgLkcitE
- adobe-idp-site-verification=7c89b2cc94f38d384f2ca53aa746a7200ddfec8f5c2e883393202ab5a79b360b
- amazonses:w+h7Bfhevwa+j12aHfbtzNKIg9Zj06CU0hbJFZdkAvw=
- SPFv=spf1 include:_spf.google.com include:spf.apparmor.com include:_spf.messagegears.net include:amazonses.com include:spf.constantcontact.com ip4:38.106.32.22/32 ip4:38.106.32.46/32 ip4:143.132.8.108 ip4:52.45.50.190 ip4:104.130.122.12 ip4:216.17.113.138 include:spf.elluciancloud.com ip4:143.132.54.19 ip4:216.235.195.0/24 ip4:156.70.47.247 ip4:199.15.225.199 ip4:208.117.49.214/32 include:spf.watermarkinsights.com -all
- duo_sso_verification=zG5iEvQsUcbHRNklIcYVFiwXZLp6n8IgTorQWrk5JCNwaVt8D4AMIUsS7fu6cm6Z
- virtru-site-verify=A6w19eJFjBIMpG7Vc3dfrDoaXWmHEtRNS8yQZC2T
- e2ma-verification=ljzeb
- _acme-challenge.www.jsums.edu.=pbyGaWZK_TrOVO8-M47HKawE-7YtJZwnyNmaqe1gqhc
- google-site-verification=eWFkAoTfQij1uXIYhsXXWuEuM44SuOAjjjiUt3Y6zkk
- amazonses:DVdT/F4edN5LXhZLtO0DsJnXkbNQrYH6oXizXCIEKdw=
- _acme-challenge.test.jsums.edu.=2mQrImnwyi0MjoTPO9PkppmbMnYhTH-YAmGFOQxuwGY
- e2ma-verification=wfweb
- e2ma-verification=xfweb
- MS=ms48281232
- _acme-challenge.dev.jsums.edu.=alsQBq2rwJJuXAu4hdLp3j8rSaWMsXA0NhRikwbp02s
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