Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
wcusd.org
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 22:55:09 UTC · ↺ Refresh
MX Hostnames
- aspmx.l.google.com
- alt4.aspmx.l.google.com
- alt3.aspmx.l.google.com
- alt1.aspmx.l.google.com
- alt2.aspmx.l.google.com
MX Priorities
- alt1.aspmx.l.google.com: 5
- alt4.aspmx.l.google.com: 10
- alt3.aspmx.l.google.com: 10
- alt2.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
A / AAAA Records
- 104.17.71.73
Mail Server IPs
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 173.194.76.26 ↩ ws-in-f26.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-x1a.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::1a ↩ dj-in-f26.1e100.net
- 172.253.62.27 ↩ bc-in-f27.1e100.net
- 2607:f8b0:4004:c17::1b ↩ bl-in-f27.1e100.net
SOA Record
Raw SOA
ns91.worldnic.com namehost.worldnic.com 126012212 10800 3600 604800 3600
Primary NS (mname)
ns91.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126012212
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns91.worldnic.com
ns92.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:20.118.176.15 ip4:20.118.176.58 include:_spf.google.com include:customerspf.schoolmessenger.com include:servers.mcsv.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; pct=50; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
⚠ Policy applies to 50% of failing messages only
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
16 records- MS=ms44130783
- kaolqk1rotsa331nhe5hcemb0e
- i3ibdnvf6tnabl3ndisfm0ata0
- 9LOoTGOBZNouh1dnjuiCc8TpthnGLluvxQeBWRzL8DwEh+BNb8hPK/ma6L6OmwYpLIZn1j+2pVhTQh4DrfTJ4A==
- apple-domain-verification=16hjK5OJdDJhdLnY
- SPFv=spf1 ip4:20.118.176.15 ip4:20.118.176.58 include:_spf.google.com include:customerspf.schoolmessenger.com include:servers.mcsv.net -all
- 5c3915cff40f2792df7657ba737a8686
- cu0coqrrrg6rjiqa5506h2e5jn
- ofr6uv5jdt7tnqpv3n5h6t6fjg
- BPL=6558011
- google-site-verification=Gvg6vpU1T9rGNJBj7Jxg8stgpVRK6-EBLgg_JBdTElg
- cisco-ci-domain-verification=4693ecb51df3044044e2b246ab124f03b795f6ca94516da67a37968eef15bdde
- bq8d0blu6s0sbsfj7snvbs0bd2
- duo_sso_verification=epVdOz5r88SxUeisggVWH0cG2AgB7zP9oGeY8JQLLxEMy6k5pb2a2Ytr52KHuzEx
- ddptk4sfhuskr7m54555qh9ao7
- openai-domain-verification=dv-4Px2tuqbUKeqWppxkIwuIaUJ
Full email verification for wcusd.org
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