Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
oneofonesandiego.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 08:02:00 UTC · ↺ Refresh
MX Hostnames
- alt1.aspmx.l.google.com
- alt4.aspmx.l.google.com
- alt2.aspmx.l.google.com
- aspmx.l.google.com
- alt3.aspmx.l.google.com
MX Priorities
- alt3.aspmx.l.google.com: 10
- alt2.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
- alt1.aspmx.l.google.com: 5
- alt4.aspmx.l.google.com: 10
A / AAAA Records
- 35.227.194.51
- 34.160.81.203
- 34.160.17.71
- 34.149.120.3
Mail Server IPs
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.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
- 172.253.62.27 ↩ bc-in-f27.1e100.net
- 2607:f8b0:4004:c25::1a ↩ yuiadtq-in-f26.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 173.194.76.26 ↩ ws-in-f26.1e100.net
- 2a00:1450:400c:c00::1b ↩ ws-in-x1b.1e100.net
SOA Record
Raw SOA
ns1.siteground.net admins.siteground.com 150 10800 3600 1209600 3600
Primary NS (mname)
ns1.siteground.net
Admin Email (rname)
admins@siteground.com
Serial
150
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns1.siteground.net
ns2.siteground.net
SPF Record
✓ Soft Fail (~all)
v=spf1 +a +mx include:oneofonesandiego.com.spf.auto.dnssmarthost.net ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; aspf=r; adkim=r;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- facebook-domain-verification=y1pd1r2r6pwz4tsiwerpwt451nb35v
- google-site-verification=y_LASm3eiVVQt42Up3IzSWjA0gNLdZwb3TJJkXkoudI
- google-site-verification=lopLznKQg6hOVlEU0Yf9unNLHffzmqZylN6OeruaRwk
- SPFv=spf1 +a +mx include:oneofonesandiego.com.spf.auto.dnssmarthost.net ~all
- google-site-verification=aKGAgNe6m2enYBU4_5xoPPdwsNs9gUnirdeDZM2xXn4
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 oneofonesandiego.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits