Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cpsd.us
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-01 14:15:49 UTC · ↺ Refresh
MX Hostnames
- alt1.aspmx.l.google.com
- alt3.aspmx.l.google.com
- aspmx.l.google.com
- alt2.aspmx.l.google.com
- alt4.aspmx.l.google.com
MX Priorities
- aspmx.l.google.com: 1
- alt3.aspmx.l.google.com: 10
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
- alt4.aspmx.l.google.com: 10
A / AAAA Records
- 162.159.135.49
- 162.159.136.49
Mail Server IPs
- 142.251.111.26 ↩ bk-in-f26.1e100.net
- 2607:f8b0:4004:c07::1a ↩ bc-in-f26.1e100.net
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-x1a.1e100.net
SOA Record
Raw SOA
longfellow2.cpsd.us hostmaster.cpsd.us 2017031695 3600 600 2419200 3600
Primary NS (mname)
longfellow2.cpsd.us
Admin Email (rname)
hostmaster@cpsd.us
Serial
2017031695
Refresh
3600s
Retry
600s
Expire
2419200s
Minimum TTL
3600s
Nameservers (NS)
dnsauth1.sys.gtei.net
4.2.49.1
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:204.167.95.3 ip4:12.171.92.2 ip4:50.223.178.203 ip4:50.223.178.208 ip4:50.223.178.201 ip4:204.167.92.25 include:customerspf.schoolmessenger.com a:smtp16.sharpschool.com include:_spf.google.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=none; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; fo=1; ri=86400
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 1 found
google._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
7 records- google-site-verification=pDfMk3ORkpR1xbFI0KUdCk5nlDht04xHxxKbx_6Edag
- google-site-verification=FTb4j5F8yEoa3bBRyQRcHdaYqdc3x0IYgMS_mmj4lqs
- have-i-been-pwned-verification=cf66ba97991375ecedba705ad2ae0c83
- bcvmyd1p69j13016z8lxhftskc2131tt
- apple-domain-verification=fAK1Bv9P76HqyE8l
- h31y7z7lp383ddcl48fsr004rnxkhv5q
- SPFv=spf1 ip4:204.167.95.3 ip4:12.171.92.2 ip4:50.223.178.203 ip4:50.223.178.208 ip4:50.223.178.201 ip4:204.167.92.25 include:customerspf.schoolmessenger.com a:smtp16.sharpschool.com include:_spf.google.com ~all
Full email verification for cpsd.us
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