Domain Overview
DNS: ✓ 7d ago
Checker: ✓ 7d ago
xunilsa.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-06-15 18:41:18 UTC · ↺ Refresh
MX Hostnames
- mx.fibercorp.com.ar
MX Priorities
- mx.fibercorp.com.ar: 10
A / AAAA Records
- 201.251.126.5 ↩ 201-251-126-5.mrse.com.ar
Mail Server IPs
- 201.212.2.145 ↩ mx.fibercorp.com.ar
SOA Record
Raw SOA
dns1.cvtci.com.ar noc.fibertel.com.ar 33 20600 3600 604800 86400
Primary NS (mname)
dns1.cvtci.com.ar
Admin Email (rname)
noc@fibertel.com.ar
Serial
33
Refresh
20600s
Retry
3600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
dns2.cvtci.com.ar
dns1.cvtci.com.ar
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:201.212.2.128/27 ip4:181.30.31.8/29 ip4:181.30.31.32/27 ip4:24.232.0.0/24 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — 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
1 record- SPFv=spf1 mx ip4:201.212.2.128/27 ip4:181.30.31.8/29 ip4:181.30.31.32/27 ip4:24.232.0.0/24 -all
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