Domain Overview
DNS: โ 2mo ago
Checker: โ 2mo ago
superior-maintenance.com
Yes
โ Yes
Barracuda
No
No
โ Yes
No
No
Checked via [email protected]
ยท 2026-03-25 07:52:27 UTC ยท โบ Refresh
MX Hostnames
- d276275a.ess.barracudanetworks.com
- d276275b.ess.barracudanetworks.com
MX Priorities
- d276275a.ess.barracudanetworks.com: 0
- d276275b.ess.barracudanetworks.com: 1
A / AAAA Records
- 162.159.140.166 (no PTR)
Mail Server IPs
- 209.222.82.253 โฉ mail.ess.barracuda.com
- 209.222.82.252 โฉ mail.ess.barracuda.com
- 209.222.82.255 โฉ mail.ess.barracuda.com
SOA Record
Raw SOA
ns25.domaincontrol.com dns.jomax.net 2026030301 28800 7200 604800 600
Primary NS (mname)
ns25.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026030301
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns25.domaincontrol.com
ns26.domaincontrol.com
SPF Record
โ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com -all
๐ DNS lookups: 2/10
โ Hard fail (-all) โ strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=25; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine โ good protection (failing mail goes to spam)
๐ SPF alignment: Relaxed
ยท DKIM alignment: Relaxed
๐ง Reports โ mailto:[email protected]
โ Policy applies to 25% of failing messages only
DKIM Selectors
โ 2 found
selector1._domainkey
selector2._domainkey
โ Public key: 216 chars (valid)
โ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
7 records- MS=ms37220739
- include:sent-via.netsuite.com
- SPFv=spf1 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com -all
- ZdPQbq5ybOG4COCQR59sxZ
- twilio-domain-verification=c38c4aa6fd580a48688c3b240cd65329
- include:mailsenders.netsuite.com
- apple-domain-verification=TEugOv7B2VgMEEXQ
Free ยท No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts โ unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code ยท Works on any site
See demo & docs
Deep verification
Full email verification for superior-maintenance.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits