Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mercerislandschools.org
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-06 16:28:24 UTC · ↺ Refresh
MX Hostnames
- alt1.aspmx.l.google.com
- alt4.aspmx.l.google.com
- alt2.aspmx.l.google.com
- aspmx.l.google.com
- alt3.aspmx.l.google.com
MX Priorities
- aspmx.l.google.com: 1
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
- alt3.aspmx.l.google.com: 10
- alt4.aspmx.l.google.com: 10
A / AAAA Records
- 104.17.71.73
Mail Server IPs
- 172.253.63.27 ↩ bi-in-f27.1e100.net
- 2607:f8b0:4004:c21::1a ↩ pe-in-f26.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-f26.1e100.net
SOA Record
Raw SOA
ns65.domaincontrol.com dns.jomax.net 2026012600 28800 7200 604800 3600
Primary NS (mname)
ns65.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026012600
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns65.domaincontrol.com
ns66.domaincontrol.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:152.157.6.20 ip4:20.252.34.27 ip4:199.223.255.0/27 include:_spf.google.com include:mail.zendesk.com include:customerspf.schoolmessenger.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; aspf=r; adkim=r
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
7 records- ZOOM_verify_g3qG_RuBSMahdRC3WIoN9A
- google-site-verification=fNl6FEpZ9-Gn5vlUyhCY8gu7rsqGKmTd1P58lIq9kYM
- apple-domain-verification=vyROZVmmvrdc0AAH
- google-site-verification=CyiRUSgFcekFo1E47lvVgmEzoAcqfeTOaRp4J9l4lKw
- jamf-site-verification=q_enfjAQltYYatFcSw5Gzg
- adobe-idp-site-verification=6fda7fe8b99ebac6a5c6446eeccc53a61e0fc59b441073ce90cf38e7a58c07f3
- SPFv=spf1 ip4:152.157.6.20 ip4:20.252.34.27 ip4:199.223.255.0/27 include:_spf.google.com include:mail.zendesk.com include:customerspf.schoolmessenger.com ~all
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