Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cmsd.k12.pa.us
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 07:38:29 UTC · ↺ Refresh
MX Hostnames
- alt4.aspmx.l.google.com
- alt2.aspmx.l.google.com
- aspmx.l.google.com
- alt3.aspmx.l.google.com
- alt1.aspmx.l.google.com
MX Priorities
- aspmx.l.google.com: 1
- alt4.aspmx.l.google.com: 10
- alt3.aspmx.l.google.com: 10
- alt2.aspmx.l.google.com: 5
- alt1.aspmx.l.google.com: 5
A / AAAA Records
- 104.17.70.73
- 103.169.142.0
Mail Server IPs
- 142.251.16.27 ↩ bl-in-f27.1e100.net
- 2607:f8b0:4004:c1b::1b ↩ wv-in-f27.1e100.net
- 173.194.76.26 ↩ ws-in-f26.1e100.net
- 2a00:1450:400c:c00::1b ↩ ws-in-x1b.1e100.net
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
SOA Record
Raw SOA
ns.cmsd.k12.pa.us hostmaster 312 2700 600 1209600 3600
Primary NS (mname)
ns.cmsd.k12.pa.us
Admin Email (rname)
hostmaster
Serial
312
Refresh
2700s
Retry
600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns2.cmsd.k12.pa.us
ns.cmsd.k12.pa.us
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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- "v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyMsz4JgOtoAJReV9FVaoMNneCJp+Av+5rltGJCKRDQ9BTbrE7p0uOrMYx5K23f2/NZvNvwgOKHLkfPGVSS42hnD5XHg5m
- apple-domain-verification=50UTMyUi2rUBnSdw
- SPFv=spf1 include:_spf.google.com ~all
- SGLESD8PHTYRPFHS0LAH0QOMJLQ0LIZZY8HM8BVG
- sophos-domain-verification=4820dc8d5cf01d9e3385458ef25a0eed764a0e1df11b6b7631f41b9389daa99b
- autodesk-domain-verification=YZQkRwMGppfKAzeZbWuG
- canva-domain-verify=fd057629-23a7-4594-b00c-0ef63bc5c8c4
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