Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ccsd21.org
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 03:02:34 UTC · ↺ Refresh
MX Hostnames
- aspmx3.googlemail.com
- aspmx.l.google.com
- alt2.aspmx.l.google.com
- alt1.aspmx.l.google.com
- aspmx2.googlemail.com
MX Priorities
- aspmx3.googlemail.com: 10
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
- aspmx2.googlemail.com: 10
A / AAAA Records
- 172.67.221.103 (no PTR)
- 104.21.51.48 (no PTR)
- 2606:4700:3030::ac43:dd67
- 2606:4700:3037::6815:3330
Mail Server IPs
- 172.253.116.27 ↩ dj-in-f27.1e100.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)
- 142.251.16.26 ↩ bl-in-f26.1e100.net
- 2607:f8b0:4004:c09::1a ↩ bh-in-f26.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
SOA Record
Raw SOA
beth.ns.cloudflare.com dns.cloudflare.com 2398808585 10000 2400 604800 1800
Primary NS (mname)
beth.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398808585
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
beth.ns.cloudflare.com
greg.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:67.90.101.64/27 include:_spf.google.com include:_spf.psm.knowbe4.com ip4:168.245.28.86 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; aspf=s; adkim=s; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
google._domainkey
k1._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
4 records- google-site-verification=nZrRxqLwqUHdEr2IPM14SFLKr32FHgz6cInUhzBLyM8
- SPFv=spf1 mx ip4:67.90.101.64/27 include:_spf.google.com include:_spf.psm.knowbe4.com ip4:168.245.28.86 -all
- adobe-idp-site-verification=59bd5c3f22387908224950419df92e3e01c253f80424a70cf805ec031c4bcce3
- apple-domain-verification=eyRFPlLyhJxQpska
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