Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
syglacol.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-04 20:38:57 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
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
- alt4.aspmx.l.google.com: 10
- aspmx.l.google.com: 1
- alt3.aspmx.l.google.com: 10
A / AAAA Records
- 51.222.41.225
Mail Server IPs
- 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
- 173.194.76.26 ↩ ws-in-f26.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-f26.1e100.net
- 142.251.179.27 ↩ pd-in-f27.1e100.net
- 2607:f8b0:4004:c17::1b ↩ bl-in-f27.1e100.net
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
- 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
SOA Record
Raw SOA
ns1.colsat.net mcorreos.gmail.com 2026040406 3600 1800 1209600 86400
Primary NS (mname)
ns1.colsat.net
Admin Email (rname)
mcorreos@gmail.com
Serial
2026040406
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns2.colsat.net
ns1.colsat.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:51.222.41.225 +a +mx +include:_spf.google.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;sp=reject;adkim=r;aspf=r;pct=100;fo=1;rf=afrf;ri=86400;rua=mailto:[email protected];ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 2 found
google._domainkey
default._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
3 records- google-site-verification=WPIOrhruBzZAUwqyFDCRrYrY-MQZNvI1PSDyz10Tvy8
- google-site-verification=XQYT_notta1CkjdlfnfO0EHqBB41QXyupwYYwEp_4hw
- SPFv=spf1 ip4:51.222.41.225 +a +mx +include:_spf.google.com -all
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for syglacol.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits