Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
portofsubs.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 22:31:33 UTC · ↺ Refresh
MX Hostnames
- mx2-us1.ppe-hosted.com
- mx1-us1.ppe-hosted.com
MX Priorities
- mx1-us1.ppe-hosted.com: 10
- mx2-us1.ppe-hosted.com: 10
A / AAAA Records
- 172.67.71.156 (no PTR)
- 104.26.7.229 (no PTR)
- 104.26.6.229 (no PTR)
- 2606:4700:20::ac43:479c (no PTR)
- 2606:4700:20::681a:6e5 (no PTR)
- 2606:4700:20::681a:7e5 (no PTR)
Mail Server IPs
- 148.163.129.50 ↩ mx1-us1.ppe-hosted.com
- 67.231.154.162 ↩ mx1-us1.ppe-hosted.com
- 67.231.154.163 ↩ mx2-us1.ppe-hosted.com
- 148.163.129.51 ↩ mx2-us1.ppe-hosted.com
SOA Record
Raw SOA
ashley.ns.cloudflare.com dns.cloudflare.com 2399511928 10000 2400 604800 1800
Primary NS (mname)
ashley.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399511928
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
bill.ns.cloudflare.com
ashley.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:71.9.24.5 include:spf.protection.outlook.com include:spf.mandrillapp.com include:u5832059.wl060.sendgrid.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
9 records- MS=ms38483100
- _globalsign-domain-verification=GIIrrMb_cvsfmSTT8wBr2SaB4XgnNjhRqrCvlQ6Ae1
- apple-domain-verification=bqAP3AEe9M_fbX5tNGLyVh5ocmOZzo8L5wBH8IO6nlQ
- facebook-domain-verification=s17lvrxrpq0pnldl30dbduxaz2byjx
- google-site-verification=mVfUi-q_MiO_XKjGLYjJ4Ou6uaSrFQ14AGRWIvhwwq0
- google-site-verification=x71mkZhZOPsjquC0c1U4etn0Lz3hc5IiA_1e8jAMqKw
- slack-domain-verification=A7rxnaZ0XSbkW4n77BkshOpQ1IW0xyD065mTJOMb
- SPFv=spf1 ip4:71.9.24.5 include:spf.protection.outlook.com include:spf.mandrillapp.com include:u5832059.wl060.sendgrid.net -all
- CPZStrbSGTH8KKgCjehGYWuW3XnnBN/cBhTGLru5jnYMSPBhQjn/K/wQr0Vu8oF+4EaaKvn2Kthzc95wlP7sSQ==
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 portofsubs.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits