Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
denic.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-24 07:02:38 UTC · ↺ Refresh
MX Hostnames
- mxext1.mailbox.org
- mxext2.mailbox.org
- mxext3.mailbox.org
MX Priorities
- mxext2.mailbox.org: 10
- mxext3.mailbox.org: 20
- mxext1.mailbox.org: 10
A / AAAA Records
- 81.91.170.12 ↩ www.denic.de
Mail Server IPs
- 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
- 80.241.60.212 ↩ mx1.mailbox.org
- 2001:67c:2050:104::1:25:1 ↩ mx1.mailbox.org
SOA Record
Raw SOA
ns1.denic.de dns-operations.denic.de 1774275693 10800 1800 3600000 1800
Primary NS (mname)
ns1.denic.de
Admin Email (rname)
dns-operations@denic.de
Serial
1774275693
Refresh
10800s
Retry
1800s
Expire
3600000s
Minimum TTL
1800s
Nameservers (NS)
ns2.denic.de
ns3.denic.de
ns4.denic.net
ns1.denic.de
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ip4:81.91.161.53 ip4:81.91.161.54 ip6:2a02:568:102:211::1:16 ip6:2a02:568:102:211::1:17 include:mailbox.org ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; rf=afrf; sp=none; fo=0; ri=86400; adkim=r; aspf=r; pct=100
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- miro-verification=bdea18ce07c1ee63c109bb12411e1bc252cbd2c8
- SPFv=spf1 a mx ip4:81.91.161.53 ip4:81.91.161.54 ip6:2a02:568:102:211::1:16 ip6:2a02:568:102:211::1:17 include:mailbox.org ~all
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