Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
csisecurity.net
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 17:45:18 UTC · ↺ Refresh
MX Hostnames
- alt3.aspmx.l.google.com
- alt2.aspmx.l.google.com
- aspmx.l.google.com
- alt1.aspmx.l.google.com
- alt4.aspmx.l.google.com
MX Priorities
- alt2.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
- alt3.aspmx.l.google.com: 10
- alt4.aspmx.l.google.com: 10
- alt1.aspmx.l.google.com: 5
A / AAAA Records
- 104.21.53.120
- 172.67.212.163
- 2606:4700:3034::ac43:d4a3
- 2606:4700:3030::6815:3578
Mail Server IPs
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 64.233.180.27 ↩ on-in-f27.1e100.net
- 2607:f8b0:4004:c23::1b ↩ yuiadrs-in-f27.1e100.net
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1b ↩ ws-in-f27.1e100.net
- 192.178.218.26 ↩ yuiadtq-in-f26.1e100.net
- 2607:f8b0:4020:c07::1b ↩ lcyulk-in-f27.1e100.net
SOA Record
Raw SOA
donald.ns.cloudflare.com dns.cloudflare.com 2398834277 10000 2400 604800 1800
Primary NS (mname)
donald.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398834277
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
donald.ns.cloudflare.com
lisa.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:servers.mcsv.net include:fw-mail.com include:spf.sendinblue.com mx ~all
📊 DNS lookups: 5/10
~ 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
✓ 2 found
google._domainkey
mail._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
5 records- google-site-verification=3Tg1mIIQpSzTePXQ_Lnoww_0r1GzvT9_Va4F4RBF31Y
- google-site-verification=RaTvsBdDi3fhWAnrXtsjbvbAjh4_bOmDlZD9gqA2NEY
- SPFv=spf1 include:_spf.google.com include:servers.mcsv.net include:fw-mail.com include:spf.sendinblue.com mx ~all
- Sendinblue-code:ecb9b3d3a3af7e7130bda054320ab558
- apple-domain-verification=Xr8-6mli8O6-xH3RtswfHFCGDIFSDYtr2CNt-QHyorA
Full email verification for csisecurity.net
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits