Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
superudisplay.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-15 05:31:34 UTC · ↺ Refresh
MX Hostnames
- mx.263.net
- mxw.263.net
MX Priorities
- mxw.263.net: 5
- mx.263.net: 10
A / AAAA Records
- 172.67.73.208 (no PTR)
- 104.26.9.112 (no PTR)
- 104.26.8.112 (no PTR)
- 2606:4700:20::ac43:49d0 (no PTR)
- 2606:4700:20::681a:970 (no PTR)
- 2606:4700:20::681a:870 (no PTR)
Mail Server IPs
- 143.110.227.31 (no PTR)
- 164.92.126.242 (no PTR)
- 38.83.106.84 ↩ us-mx1.263.net
- 38.83.106.85 ↩ us-mx2.263.net
SOA Record
Raw SOA
amit.ns.cloudflare.com dns.cloudflare.com 2398658572 10000 2400 604800 1800
Primary NS (mname)
amit.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398658572
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
amit.ns.cloudflare.com
sima.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.263.net -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; fo=1;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
⚠ Public key (p=) missing in DKIM record for selector google.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 include:spf.263.net -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 superudisplay.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits