Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sinai.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-27 07:33:43 UTC · ↺ Refresh
MX Hostnames
- smtp.google.com
MX Priorities
- smtp.google.com: 1
A / AAAA Records
- 198.202.211.1 (no PTR)
Mail Server IPs
- 192.178.155.26 ↩ yuiadrs-in-f26.1e100.net
- 192.178.155.27 ↩ yuiadrs-in-f27.1e100.net
- 172.253.139.26 ↩ yuiadsk-in-f26.1e100.net
- 142.251.167.27 ↩ ww-in-f27.1e100.net
- 142.251.167.26 ↩ ww-in-f26.1e100.net
- 2607:f8b0:4004:c1d::1a ↩ ww-in-f26.1e100.net
- 2607:f8b0:4004:c1d::1b ↩ ww-in-f27.1e100.net
- 2607:f8b0:4004:c23::1b ↩ yuiadrs-in-f27.1e100.net
- 2607:f8b0:4004:c23::1a ↩ yuiadrs-in-f26.1e100.net
SOA Record
Raw SOA
ns-136.awsdns-17.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-136.awsdns-17.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-136.awsdns-17.com
ns-2020.awsdns-60.co.uk
ns-634.awsdns-15.net
ns-1295.awsdns-33.org
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:6099117.spf08.hubspotemail.net include:sendgrid.net ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 3 found
google._domainkey
s1._domainkey
s2._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
3 records- SPFv=spf1 include:_spf.google.com include:6099117.spf08.hubspotemail.net include:sendgrid.net ~all
- slack-domain-verification=wyFUbsq6uIZUI29huk3B4MhxeODg7AryqznxNFCD
- google-site-verification=SFuLSoFVP0jIqNvtBp2eKn1_Bkz39OuPVx6uHMOaJWs
Full email verification for sinai.com
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