Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mmc-nuernberg.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 23:24:41 UTC · ↺ Refresh
MX Hostnames
- mail12.mail-gw.de
- mail11.mail-gw.de
MX Priorities
- mail12.mail-gw.de: 20
- mail11.mail-gw.de: 10
A / AAAA Records
- 46.4.103.144 ↩ server13.onit4u.de
Mail Server IPs
- 95.130.17.251 ↩ mail12.mail-gw.de
- 95.130.17.250 ↩ mail11.mail-gw.de
SOA Record
Raw SOA
ns1.host4you.de info.onit-gmbh.de 2025111100 43200 7200 1209600 3600
Primary NS (mname)
ns1.host4you.de
Admin Email (rname)
info@onit-gmbh.de
Serial
2025111100
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns2.host4you.de
ns4.host4you.de
ns3.host4you.de
ns1.host4you.de
SPF Record
✓ Strict (-all)
v=spf1 a ip4:95.130.17.0/24 ip4:46.4.103.144 ip6:2a01:4f8:141:2::/64 ip4:46.4.245.176/29 ip6:2a01:4f8:121:13ec::/64 ip4:178.63.72.16 ip4:178.63.172.184/29 ip6:2a01:4f8:121:22ab::/64 ip4:46.4.103.144 ip6:2a01:4f8:141:2::/64 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];adkim=s;aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 a ip4:95.130.17.0/24 ip4:46.4.103.144 ip6:2a01:4f8:141:2::/64 ip4:46.4.245.176/29 ip6:2a01:4f8:121:13ec::/64 ip4:178.63.72.16 ip4:178.63.172.184/29 ip6:2a01:4f8:121:22ab::/64 ip4:46.4.103.144 ip6:2a01:4f8:141:2::/64 -all
- google-site-verification=2u4ubOp5CBuVSgOduoyBx43SFfLcgJe7KguOUSztdmQ
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