Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
bistum-osnabrueck.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 09:51:49 UTC · ↺ Refresh
MX Hostnames
- mx1.itebo.de
- mx2.itebo.de
MX Priorities
- mx2.itebo.de: 20
- mx1.itebo.de: 10
A / AAAA Records
- 185.175.196.65 (no PTR)
- 2a00:1c98:60:1090::1:4fa6:886d (no PTR)
Mail Server IPs
- 193.30.76.202 ↩ mx2.itebo.de
- 193.30.76.201 ↩ mx1.itebo.de
SOA Record
Raw SOA
hydrogen.ns.hetzner.com dns.hetzner.com 2026020505 86400 10800 3600000 3600
Primary NS (mname)
hydrogen.ns.hetzner.com
Admin Email (rname)
dns@hetzner.com
Serial
2026020505
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
helium.ns.hetzner.de
hydrogen.ns.hetzner.com
oxygen.ns.hetzner.com
SPF Record
✓ Strict (-all)
v=spf1 a include:spf.itebo.de -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
⚠ Public key (p=) missing in DKIM record for selector google.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 a include:spf.itebo.de -all
- MS=ms25963297
- apple-domain-verification=z9OoJ7akfIQGBlKA
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