Domain Overview
DNS: โ 2mo ago
Checker: โ 2mo ago
ucr.ac.cr
Yes
โ Yes
Unknown
No
Yes
โ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
ยท 2026-03-27 03:52:01 UTC ยท โบ Refresh
MX Hostnames
- mx1.hc6010-39.iphmx.com
- mx2.hc6010-39.iphmx.com
MX Priorities
- mx1.hc6010-39.iphmx.com: 10
- mx2.hc6010-39.iphmx.com: 10
A / AAAA Records
- 163.178.83.117 (no PTR)
Mail Server IPs
- 216.71.148.196 โฉ esa.hc6010-39.iphmx.com
- 68.232.131.92 โฉ esa.hc6010-39.iphmx.com
SOA Record
Raw SOA
ns1.ucr.ac.cr hostmaster.ucr.ac.cr 2026032601 10800 3600 2419200 300
Primary NS (mname)
ns1.ucr.ac.cr
Admin Email (rname)
hostmaster@ucr.ac.cr
Serial
2026032601
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
secundario.nic.cr
ns2.ucr.ac.cr
ns1.ucr.ac.cr
SPF Record
โ Strict (-all)
v=spf1 mx a:smtp.ucr.ac.cr ip4:163.178.163.168 include:esa.hc6010-39.iphmx.com -all
๐ DNS lookups: 3/10
โ Hard fail (-all) โ strict enforcement
DMARC Record
โ p=none
v=DMARC1; p=none; pct=20; rua=mailto:[email protected]; ruf=mailto:[email protected];
โ p=none โ monitoring only, no enforcement
๐ SPF alignment: Relaxed
ยท DKIM alignment: Relaxed
๐ง Reports โ mailto:[email protected]
โ Policy applies to 20% of failing messages only
DKIM Selectors
โ None detectedNo DKIM records found for common selectors โ your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- cisco-ci-domain-verification=277d887c61cdd11a4e6d4458454aa1ee4a28062c549a73ee267d868ce52a708f
- MS=9501F0270FA4065EDBA2108FD8B2F546F98E6CDE
- uoms9vt0jevdsfvp6pnm1ikorb
- SPFv=spf1 mx a:smtp.ucr.ac.cr ip4:163.178.163.168 include:esa.hc6010-39.iphmx.com -all
- google-site-verification=gNAq0kPEtt0hvmmPr0GtmLEVZKsGUNWO2oe4E24XUpQ
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 ucr.ac.cr
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits