Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
semar.edu.pl
Disposable
✓ Yes
Unknown
⚠ Yes
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-14 01:45:17 UTC · ↺ Refresh
MX Hostnames
- mail.semar.edu.pl
MX Priorities
- mail.semar.edu.pl: 10
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 54.37.254.198 ↩ ns3113021.ip-54-37-254.eu
SOA Record
Raw SOA
brynne.ns.cloudflare.com dns.cloudflare.com 2397947330 10000 2400 604800 1800
Primary NS (mname)
brynne.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397947330
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
randy.ns.cloudflare.com
brynne.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:54.37.254.198 a mx ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
dkim._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 ip4:54.37.254.198 a mx ~all
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