Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ic-gruppenreisen.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-06 14:27:54 UTC · ↺ Refresh
MX Hostnames
- mail.ic-gruppenreisen.de
- smtp-backup2.portunity.de
- smtp-backup1.portunity.de
MX Priorities
- smtp-backup1.portunity.de: 20
- smtp-backup2.portunity.de: 30
- mail.ic-gruppenreisen.de: 10
A / AAAA Records
- 81.209.171.73 (no PTR)
Mail Server IPs
- 217.144.128.54 ↩ smtp-backup1.portunity.de
- 2a02:a00::2:0:0:54 ↩ smtp-backup1.portunity.de
- 37.120.186.72 ↩ smtp-backup2-2.portunity.de
- 2a03:4000:f:5b9::25 ↩ smtp-backup2-2.portunity.de
- 87.191.236.93 ↩ mail.ic-gruppenreisen.de
SOA Record
Raw SOA
ns01.netgroup.de dns.netgroup.de 2024101000 28800 3600 604800 86400
Primary NS (mname)
ns01.netgroup.de
Admin Email (rname)
dns@netgroup.de
Serial
2024101000
Refresh
28800s
Retry
3600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns01.netgroup.de
ns02.netgroup.de
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:87.191.236.93 include:nl2go.com include:spf.nl2go.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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- google-site-verification=atG7qqAw1mq5cK2jg8vh7V59J_RrrzzOPnUIHQaqpo8
- SPFv=spf1 a mx ip4:87.191.236.93 include:nl2go.com include:spf.nl2go.com -all
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