Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tischlernord.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 21:29:43 UTC · ↺ Refresh
MX Hostnames
- mx-02-eu-central-1.prod.hydra.sophos.com
- mx-01-eu-central-1.prod.hydra.sophos.com
MX Priorities
- mx-02-eu-central-1.prod.hydra.sophos.com: 20
- mx-01-eu-central-1.prod.hydra.sophos.com: 10
A / AAAA Records
- 62.26.12.136 (no PTR)
Mail Server IPs
- 18.159.80.41 ↩ ec2-18-159-80-41.eu-central-1.compute.amazonaws.com
- 52.57.183.85 ↩ ec2-52-57-183-85.eu-central-1.compute.amazonaws.com
SOA Record
Raw SOA
docks03.rzone.de hostmaster.strato-rz.de 2020050767 86400 7200 604800 300
Primary NS (mname)
docks03.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020050767
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
shades19.rzone.de
docks03.rzone.de
SPF Record
✓ Strict (-all)
v=spf1 mx a:mail.bauverbaende-nds.de ip4:217.91.62.192 include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
3 records- MS=ms46746403
- SPFv=spf1 mx a:mail.bauverbaende-nds.de ip4:217.91.62.192 include:spf.protection.outlook.com -all
- sophos-domain-verification=b51517b28d7b626388b5cbcffa9f086342f7fbab
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