Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
bonn.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-30 10:34:22 UTC · ↺ Refresh
MX Hostnames
- mailgw02.regioit.de
- mailgw01.regioit.de
MX Priorities
- mailgw02.regioit.de: 10
- mailgw01.regioit.de: 10
A / AAAA Records
- 185.155.109.38 (no PTR)
Mail Server IPs
- 91.102.136.202 ↩ mailgw02.regioit.de
- 2a02:16f0::1:f ↩ mailgw02.regioit.de
- 91.102.136.195 ↩ mailgw01.regioit.de
- 2a02:16f0::1:e ↩ mailgw01.regioit.de
SOA Record
Raw SOA
dns-1.bonn.de postmaster.bonn.de 201402464 86400 3600 604800 300
Primary NS (mname)
dns-1.bonn.de
Admin Email (rname)
postmaster@bonn.de
Serial
201402464
Refresh
86400s
Retry
3600s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
dns-1.bonn.de
ns2.tops.net
SPF Record
✓ Strict (-all)
v=spf1 a a:bonn.de include:mail.kdvz-frechen.de ip4:91.213.177.151 ip4:91.213.177.152 ip4:91.213.177.153 ip4:91.213.177.154 ip4:91.213.177.180 ip4:194.45.37.22 ip4:195.38.20.30 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=1; rua=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 1% of failing messages only
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
10 records- google-gws-recovery-domain-verification=56930885
- google-site-verification=QckA71ZQiVO4MsizdvSn8m5nK17PXjR8ljNLMpVCIvw
- MS=ms88630659
- MS=ms20701962
- google-site-verification=eUR0YAGZJGUo6wk6uwgwHvMP6c_KUr8QkATWY4ejgUo
- MS=ms92714000
- SPFv=spf1 a a:bonn.de include:mail.kdvz-frechen.de ip4:91.213.177.151 ip4:91.213.177.152 ip4:91.213.177.153 ip4:91.213.177.154 ip4:91.213.177.180 ip4:194.45.37.22 ip4:195.38.20.30 -all
- MS=ms60047536
- apple-domain-verification=wVfIRXj3sVOz2t57
- MS=ms77386515
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