Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
roentgeninstitut.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 04:23:39 UTC · ↺ Refresh
MX Hostnames
- mail2.roentgeninstitut.de
- mailbox.roentgeninstitut.de
MX Priorities
- mail2.roentgeninstitut.de: 30
- mailbox.roentgeninstitut.de: 20
A / AAAA Records
- 92.205.192.33 ↩ sh22944.ispgateway.de
- 2a00:116a:10e:f5e0:: ↩ sh22944.ispgateway.de
Mail Server IPs
- 212.110.109.194 ↩ mail2.roentgeninstitut.de
- 212.110.109.216 ↩ mailbox.roentgeninstitut.de
SOA Record
Raw SOA
ns81.domaincontrol.com dns.jomax.net 2026021801 28800 7200 604800 600
Primary NS (mname)
ns81.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026021801
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns81.domaincontrol.com
ns82.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:212.110.109.216 ip4:212.110.109.194 mx -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict 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
✓ 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
6 records- google-site-verification=5ylcx0zwK2CQFMy6zcyWXpnjNHYqCYb9FkO3fnJOVd8
- apple-domain-verification=iHqySE8LfMQApTek
- SPFv=spf1 ip4:212.110.109.216 ip4:212.110.109.194 mx -all
- MS=C4C438C3F0BBF004035B132539C8909957D3089D
- d2b6h4qcptivm2hkfaar8mcf8m
- swisssign-check=7XCaO2DaBY1OtkLIsbMnT99IhejnDtv6nJ3ragL2Bz
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