Domain Overview
DNS: ✓ 1mo ago
Checker: ✓ 1mo ago
castells.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-09 08:27:06 UTC · ↺ Refresh
MX Hostnames
- mxext1.mailbox.org
- mxext2.mailbox.org
- mxext3.mailbox.org
MX Priorities
- mxext1.mailbox.org: 0
- mxext2.mailbox.org: 10
- mxext3.mailbox.org: 20
A / AAAA Records
- 185.199.111.153 ↩ cdn-185-199-111-153.github.com
- 185.199.109.153 ↩ cdn-185-199-109-153.github.com
- 185.199.110.153 ↩ cdn-185-199-110-153.github.com
- 185.199.108.153 ↩ cdn-185-199-108-153.github.com
Mail Server IPs
- 80.241.60.212 ↩ mx1.mailbox.org
- 2001:67c:2050:104::1:25:1 ↩ mx1.mailbox.org
- 80.241.60.215 ↩ mx2.mailbox.org
- 2001:67c:2050:104::2:25:1 ↩ mx2.mailbox.org
- 80.241.60.216 ↩ mx3.mailbox.org
- 2001:67c:2050:104::3:25:1 ↩ mx3.mailbox.org
SOA Record
Raw SOA
ns.udag.de hostmaster.united-domains.de 2025110674 10800 3600 604800 3600
Primary NS (mname)
ns.udag.de
Admin Email (rname)
hostmaster@united-domains.de
Serial
2025110674
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns.udag.net
ns.udag.org
ns.udag.de
SPF Record
✓ Soft Fail (~all)
v=spf1 include:mailbox.org ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
2 records- google-site-verification=ll70UchL-Vwqy2rGAp-SWJuom877r0anwCNQVnJjq0o
- SPFv=spf1 include:mailbox.org ~all
Full email verification for castells.de
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