Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
apsbulldogs.org
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 07:27:46 UTC · ↺ Refresh
MX Hostnames
- alt2.aspmx.l.google.com
- alt3.aspmx.l.google.com
- 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
- alt2.aspmx.l.google.com: 5
- alt3.aspmx.l.google.com: 10
- alt1.aspmx.l.google.com: 5
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1b ↩ ws-in-f27.1e100.net
- 142.251.167.26 ↩ ww-in-f26.1e100.net
- 2607:f8b0:4004:c06::1a ↩ bg-in-f26.1e100.net
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
SOA Record
Raw SOA
ns01.esu4.org postmaster.esu4.org 2018080259 43200 3600 1209600 180
Primary NS (mname)
ns01.esu4.org
Admin Email (rname)
postmaster@esu4.org
Serial
2018080259
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns05.esu4.org
ns02.esu4.org
ns01.esu4.org
ns04.esu4.org
ns03.esu4.org
ns06.esu4.org
SPF Record
✓ Strict (-all)
v=spf1 ip4:162.127.6.0/24 ip4:204.234.245.253 ip4:216.118.105.4 ip4:216.118.105.5 ip4:67.23.62.36 ip4:70.36.20.116 ip4:208.64.181.100 ip4:198.17.44.130 ip4:67.23.61.36 ip4:198.17.44.29 ip4:198.17.44.28 ip4:198.17.44.253 ip4:205.145.130.165 ip4:216.234.123.86 ip4:64.26.181.228 include:customerspf.schoolmessenger.com include:sendgrid.net include:_spf.google.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; sp=reject; rua=mailto:[email protected],mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 3 found
google._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 258 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
5 records- ZOOM_verify_GXUxPJ6wqz55oR63eF3iuc
- SPFv=spf1 ip4:162.127.6.0/24 ip4:204.234.245.253 ip4:216.118.105.4 ip4:216.118.105.5 ip4:67.23.62.36 ip4:70.36.20.116 ip4:208.64.181.100 ip4:198.17.44.130 ip4:67.23.61.36 ip4:198.17.44.29 ip4:198.17.44.28 ip4:198.17.44.253 ip4:205.145.130.165 ip4:216.234.123.86 ip4:64.26.181.228 include:customerspf.schoolmessenger.com include:sendgrid.net include:_spf.google.com -all
- MS=ms87729137
- ZOOM_verify_0PVlek5DRWa3_EOHndbp1Q
- adobe-idp-site-verification=32335d45252f724593faf23e28c480f87c8d6468aa554c0e919428a203b7d01f
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