Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tsv-reinbek.de
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-06 14:29:05 UTC · ↺ Refresh
MX Hostnames
- tsvreinbek-de0i.mail.protection.outlook.com
- d340056.a.ess.de.barracudanetworks.com
- d340056.b.ess.de.barracudanetworks.com
MX Priorities
- d340056.b.ess.de.barracudanetworks.com: 20
- tsvreinbek-de0i.mail.protection.outlook.com: 90
- d340056.a.ess.de.barracudanetworks.com: 10
A / AAAA Records
- 62.113.220.111
Mail Server IPs
- 18.185.115.251 ↩ mail.ess.de.barracuda.com
- 18.185.115.252 ↩ mail.ess.de.barracuda.com
- 18.185.115.250 ↩ mail.ess.de.barracuda.com
- 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
- 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
- 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c
SOA Record
Raw SOA
ns1073.ui-dns.com hostmaster.1und1.de 2017040305 28800 7200 604800 300
Primary NS (mname)
ns1073.ui-dns.com
Admin Email (rname)
hostmaster@1und1.de
Serial
2017040305
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1073.ui-dns.com
ns1073.ui-dns.de
ns1073.ui-dns.org
ns1073.ui-dns.biz
SPF Record
✓ Strict (-all)
v=spf1 ip4:87.128.21.251 ip4:35.157.190.225 ip4:85.13.135.229 include:spf.protection.outlook.com include:servers.mcsv.net include:_spf.perfora.net include:_spf.kundenserver.de a:w019325e.kasserver.com include:_spf.amphimail.com include:spf.ess.de.barracudanetworks.com -all
📊 DNS lookups: 7/10
✓ 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
✓ 2 found
mail._domainkey
k1._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
3 records- MS=ms63684349
- brevo-code:24dd2836ac34e8ca6443c053c35cba46
- SPFv=spf1 ip4:87.128.21.251 ip4:35.157.190.225 ip4:85.13.135.229 include:spf.protection.outlook.com include:servers.mcsv.net include:_spf.perfora.net include:_spf.kundenserver.de a:w019325e.kasserver.com include:_spf.amphimail.com include:spf.ess.de.barracudanetworks.com -all
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