Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rocketwebdesigner.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 20:31:10 UTC · ↺ Refresh
MX Hostnames
- alt4.aspmx.l.google.com
- alt3.aspmx.l.google.com
- alt1.aspmx.l.google.com
- alt2.aspmx.l.google.com
- aspmx.l.google.com
MX Priorities
- aspmx.l.google.com: 1
- alt3.aspmx.l.google.com: 10
- alt2.aspmx.l.google.com: 5
- alt1.aspmx.l.google.com: 5
- alt4.aspmx.l.google.com: 10
A / AAAA Records
- 74.208.55.252
Mail Server IPs
- 172.253.63.27 ↩ bi-in-f27.1e100.net
- 2607:f8b0:4004:c21::1a ↩ pe-in-f26.1e100.net
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 173.194.76.26 ↩ ws-in-f26.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-x1a.1e100.net
SOA Record
Raw SOA
ns1032.ui-dns.com hostmaster.1und1.com 2017060183 28800 7200 604800 600
Primary NS (mname)
ns1032.ui-dns.com
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060183
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1100.ui-dns.biz
ns1039.ui-dns.org
ns1050.ui-dns.de
ns1032.ui-dns.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx ip4:74.208.4.197 include:_spf.google.com include:spf.sendinblue.com include:transmail.net include:one.zoho.com include:_spf.perfora.net ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; sp=none; rua=mailto:[email protected]!10m; ruf=mailto:[email protected]!10m; rf=afrf; pct=100; ri=86400
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]!10m
↳ Subdomain policy: none
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
6 records- SPFv=spf1 mx ip4:74.208.4.197 include:_spf.google.com include:spf.sendinblue.com include:transmail.net include:one.zoho.com include:_spf.perfora.net ~all
- Sendinblue-code:91faa1f4b5892d0116d2f8b6072489df
- google-site-verification=AYwQ_MnQUFkDcgeYLGxqPHJYHkDCXeqqxN89QCfLMYY
- google-site-verification=QY9gPTOzbZT3Et3CqHSAx0DXj-S_46N4iPbWAKtMCck
- stripe-verification=e8fffe215878c8f1ecb6c308059e1fd2d6dd055477380ac73b45cfaa9f6e240e
- google-site-verification=motHXietW0ImS3G6IQ3khzhqbnST6RfcyL31bgZmyjo
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 rocketwebdesigner.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits