Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
caltex.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 00:27:53 UTC · ↺ Refresh
MX Hostnames
- mx2.hc2860-13.iphmx.com
- smtp.google.com
- mx1.hc2860-13.iphmx.com
MX Priorities
- mx1.hc2860-13.iphmx.com: 10
- mx2.hc2860-13.iphmx.com: 10
- smtp.google.com: 10
A / AAAA Records
- 146.23.28.130
Mail Server IPs
- 216.71.143.108 ↩ esa.hc2860-13.iphmx.com
- 216.71.140.128 ↩ esa.hc2860-13.iphmx.com
- 172.253.62.27 ↩ bc-in-f27.1e100.net
- 172.253.115.26 ↩ bg-in-f26.1e100.net
- 142.251.167.26 ↩ ww-in-f26.1e100.net
- 172.253.115.27 ↩ bg-in-f27.1e100.net
- 142.251.167.27 ↩ ww-in-f27.1e100.net
- 2607:f8b0:4004:c06::1b ↩ bg-in-f27.1e100.net
- 2607:f8b0:4004:c1d::1a ↩ ww-in-f26.1e100.net
- 2607:f8b0:4004:c07::1a ↩ bc-in-f26.1e100.net
- 2607:f8b0:4004:c1d::1b
SOA Record
Raw SOA
udns1.cscdns.net hostmaster.chevron.com 2022021700 28800 7200 604800 86400
Primary NS (mname)
udns1.cscdns.net
Admin Email (rname)
hostmaster@chevron.com
Serial
2022021700
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
udns2.cscdns.uk
udns1.cscdns.net
SPF Record
✓ Strict (-all)
v=spf1 mx include:chevron.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; fo=1; ri=3600; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
18 records- facebook-domain-verification=o6vy1uocvn2go20wmoa03g7ps50noo
- globalsign-domain-verification=8804da815cb0494ff14c9be162d0336f
- google-site-verification=IABDouK1cfwOmnFBhdpSMQlsJVLheUM3nD1HXDw6iMw
- google-site-verification=RrS9xixNxHt8ehqhDmtDRgZHCROrjI2u5ckhXtU_nxY
- google-site-verification=rmd995TKESnE8Ohjq7bbHGuo36h0Rw4ujSaIOawaIzY
- _globalsign-domain-verification=ziTj8EVYVXdk5tW_1ATqTWEVil8ft1dyWxew970BE1
- MS=ms34899003
- 2w71h71t15jg2s8z6p9cw7tt8jrvxxw7
- 3wrgjxtlxjn693s25dq5631ktmddxw2f
- 6cbbfbpfgnlmw363kw5d2szt19vgf8l0
- 6yp0k57ym2ww6qq3snz505qdm5776rj9
- 7gp425nq08jrw9mpd8mjxr3t14p4cwp2
- 7hwn48rvgxfkz7jl3ryqml8dg5ky6443
- _bgyhhxg9fg2a2t9c5baclgsq908lk69
- _defj8h4rzzkd3jfpa11qb35guk2hjt7
- _e4c7fdeuctbgggwzoerlln4ndlw9lpc
- _gg8lftd508ua6l4h7klwjotpbu6dm7u
- SPFv=spf1 mx include:chevron.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 caltex.com
SMTP handshake, catch-all detection, SPF/DKIM/DMARC analysis, and Yahoo/Outlook verification.
Get 1,000 Free Credits