Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ttc-guerzenich.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 08:34:17 UTC · ↺ Refresh
MX Hostnames
- mail.ttc-guerzenich.de
MX Priorities
- mail.ttc-guerzenich.de: 10
A / AAAA Records
- 176.9.41.172 ↩ taurus.feelia.de
- 2a01:4f8:161:3741::2 ↩ taurus.feelia.de
Mail Server IPs
- 176.9.41.172 ↩ taurus.feelia.de
- 2a01:4f8:161:3741::2 ↩ taurus.feelia.de
SOA Record
Raw SOA
ns1.ttc-guerzenich.de postmaster.ttc-guerzenich.de 2026040307 10800 3600 1209600 3600
Primary NS (mname)
ns1.ttc-guerzenich.de
Admin Email (rname)
postmaster@ttc-guerzenich.de
Serial
2026040307
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns3.ttc-guerzenich.de
ns4.ttc-guerzenich.de
ns1.ttc-guerzenich.de
ns2.ttc-guerzenich.de
SPF Record
✓ Strict (-all)
v=spf1 a mx -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; ruf=mailto:[email protected]; fo=0:d:s; aspf=s; adkim=r;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 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- SPFv=spf1 a mx -all
- google-site-verification=QqYMFst4YyAeMnWJoBMmLjeUwZkB-7ma1ezD5fdosvY
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