Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
unineststudents.de
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 16:18:49 UTC · ↺ Refresh
MX Hostnames
- d246544.a.ess.uk.barracudanetworks.com
- d246544.b.ess.uk.barracudanetworks.com
MX Priorities
- d246544.a.ess.uk.barracudanetworks.com: 20
- d246544.b.ess.uk.barracudanetworks.com: 30
A / AAAA Records
- 51.140.14.102 (no PTR)
Mail Server IPs
- 18.133.136.188 ↩ mail.ess.uk.barracuda.com
- 18.133.136.186 ↩ mail.ess.uk.barracuda.com
- 18.133.136.187 ↩ mail.ess.uk.barracuda.com
SOA Record
Raw SOA
jeff.ns.cloudflare.com dns.cloudflare.com 2399499168 10000 2400 604800 1800
Primary NS (mname)
jeff.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399499168
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
jeff.ns.cloudflare.com
sara.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:mailgun.org include:spf.protection.outlook.com include:servers.mcsv.net include:spf.mandrillapp.com include:spf.exclaimer.net include:spf.ess.uk.barracudanetworks.com ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;pct=100;rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=quarantine; ri=86400
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
k1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- SPFv=spf1 include:mailgun.org include:spf.protection.outlook.com include:servers.mcsv.net include:spf.mandrillapp.com include:spf.exclaimer.net include:spf.ess.uk.barracudanetworks.com ~all
- MS=ms57473436
- dropbox-domain-verification=uc6g7gv14jor
- facebook-domain-verification=8sbksu9del2qz68o820p3kxkjrxz3g
- google-site-verification=pAwbWfT8Yhe0pCV0fxGBt60_bf5PoVNHFhgY-E1bIWw
- google-site-verification=wtczYd2yS2Z4sWuwr_rSzqqH79fFypMsxhQaJidnsOc
Full email verification for unineststudents.de
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