Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
htw-berlin.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 07:57:58 UTC · ↺ Refresh
MX Hostnames
- mail1.rz.htw-berlin.de
MX Priorities
- mail1.rz.htw-berlin.de: 50
A / AAAA Records
- 141.45.192.100 ↩ webseiten.rz.htw-berlin.de
Mail Server IPs
- 141.45.10.101 ↩ mail1.rz.htw-berlin.de
SOA Record
Raw SOA
infoblox1.htw-berlin.de net-rz.htw-berlin.de 2009142983 10800 3600 2419200 900
Primary NS (mname)
infoblox1.htw-berlin.de
Admin Email (rname)
net-rz@htw-berlin.de
Serial
2009142983
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
900s
Nameservers (NS)
dns-2.dfn.de
infobloxv.htw-berlin.de
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:141.45.10.64/26 ip4:141.45.70.64/26 include:spf.sendinblue.com include:spf.brevo.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate 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
✓ 1 found
mail._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
12 records- brevo-code:b735d9aba0e7145eb0690225e1effc78
- MS=6F940E27276C86AED7AB8E29EECDFB053046686C
- adobe-idp-site-verification=8bc27e662b8b9785bd19ef37de848fbb359e71b84b95a30e7c8319973da13257
- ZOOM_verify_stchLGrGQgO-9ACdBPKPRw
- Sendinblue-code:5f1ae6a3b2f397bc59078f7a61c79156
- SPFv=spf1 ip4:141.45.10.64/26 ip4:141.45.70.64/26 include:spf.sendinblue.com include:spf.brevo.com ~all
- brevo-code:751b453576494a7f3a80d6498a69a5eb
- brevo-code:116af18eb48f4048ba3703d3e2e3927f
- cisco-ci-domain-verification=293e07e20d4986262ab36619b1980c3234638639f3f794317d4d1be5ef2cab32
- brevo-code:fa17e9c72547545edfefe5bd02c035d5
- brevo-code:277ee3fbd9e481b833d619b1d4b28b26
- zone-ownership-verification-cfb3599cf22ed805fbf6067b124e330e5cf32049abca84dc6d6a04ae8d611fb2
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