Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
bnu.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-04 21:39:56 UTC · ↺ Refresh
MX Hostnames
- mail.bnu.de
MX Priorities
- mail.bnu.de: 10
A / AAAA Records
- 31.47.250.100 ↩ srv737623.dogado-shops.de
Mail Server IPs
- 5.175.1.113 ↩ mail.bnu.de
SOA Record
Raw SOA
ns1.ns-serve.net root.ns1.ns-serve.net 1769089893 10800 3600 604800 3600
Primary NS (mname)
ns1.ns-serve.net
Admin Email (rname)
root@ns1.ns-serve.net
Serial
1769089893
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns2.ns-serve.net
ns1.ns-serve.net
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ip4:91.250.81.211/32 ip4:185.158.212.69/32 ip4:178.250.15.141/32 ip4:91.250.80.230/32 ip4:185.158.212.57/32 ip4:77.75.250.79 ip4:185.9.30.194/32 ip6:2a01:488:67:1000:5bfa:51d3:0:1 include:servers.mcsv.net include:spf.mailjet.com include:secureserver.net include:_spf-e.cegedim.fr include:_spf-i.cegedim.fr ~all
📊 DNS lookups: 7/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; pct=50
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 50% of failing messages only
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- atlassian-domain-verification=0z5ffCswndlGI1fdHzjyrbChdsrMe6cT49gBUkaqsXs5RVQn/DYDNkOMWZxQPOFQ
- google-site-verification=jngx0EiTYZrATYgG199kQEV0ewxUmp7jN3EqRQGyqmE
- SPFv=spf1 a mx ip4:91.250.81.211/32 ip4:185.158.212.69/32 ip4:178.250.15.141/32 ip4:91.250.80.230/32 ip4:185.158.212.57/32 ip4:77.75.250.79 ip4:185.9.30.194/32 ip6:2a01:488:67:1000:5bfa:51d3:0:1 include:servers.mcsv.net include:spf.mailjet.com include:secureserver.net include:_spf-e.cegedim.fr include:_spf-i.cegedim.fr ~all
Full email verification for bnu.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits