Domain Overview
DNS: ✓ 1d ago
Checker: ✓ 1d ago
tecde.co
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-07-01 16:19:16 UTC · ↺ Refresh
MX Hostnames
- SMTP.GOOGLE.com
MX Priorities
- smtp.google.com: 0
A / AAAA Records
- 68.66.200.208 ↩ mi3-sr2.supercp.com
Mail Server IPs
- 142.251.163.27 ↩ wv-in-f27.1e100.net
- 64.233.180.27 ↩ on-in-f27.1e100.net
- 64.233.180.26 ↩ pe-in-f26.1e100.net
- 192.178.218.26 ↩ yuiadtq-in-f26.1e100.net
- 173.194.45.27 ↩ yuiadum-in-f27.1e100.net
- 2607:f8b0:4004:c29::1b ↩ yuiadum-in-f27.1e100.net
- 2607:f8b0:4004:c21::1a ↩ pe-in-f26.1e100.net
- 2607:f8b0:4004:c21::1b ↩ pe-in-f27.1e100.net
- 2607:f8b0:4004:c25::1a ↩ yuiadtq-in-f26.1e100.net
SOA Record
Raw SOA
sr1.supercp.com chema\.penya.gmail.com 2026060400 3600 1800 1209600 86400
Primary NS (mname)
sr1.supercp.com
Admin Email (rname)
chema\@penya.gmail.com
Serial
2026060400
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns2.spectramg.com
ns1.spectramg.com
sr1.supercp.com
SPF Record
✓ Soft Fail (~all)
v=spf1 +mx +a +ip4:68.66.200.208 +include:servers.mail.net +include:_spf.google.com ~all
📊 DNS lookups: 4/10
~ 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
default._domainkey
✓ Public key: 237 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 +mx +a +ip4:68.66.200.208 +include:servers.mail.net +include:_spf.google.com ~all
- MS=BD93C6DB8E7BC693674F272A7F5F724AE468AC67
- google-site-verification=Nc9bNHWom4tLDN5Y6u5z1ZnRv1XQQjkGbLLCq_RPgOw
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 · Customize →
See demo & docs
Deep verification
Full email verification for tecde.co
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits