gross-bau.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
gross-bau.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-30 23:01:21 UTC · ↺ Refresh

MX Hostnames

  • grossbau-de01c.mail.protection.outlook.com

MX Priorities

  • grossbau-de01c.mail.protection.outlook.com: 0

A / AAAA Records

  • 34.89.130.203 ↩ 203.130.89.34.bc.googleusercontent.com

Mail Server IPs

  • 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
  • 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
  • 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com

SOA Record

Raw SOA ns1-09.azure-dns.com huppert.gross-bau.de 2017062752 10000 2400 604800 3600
Primary NS (mname)
ns1-09.azure-dns.com
Admin Email (rname)
huppert@gross-bau.de
Serial
2017062752
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns3-09.azure-dns.org
ns4-09.azure-dns.info
ns1-09.azure-dns.com
ns2-09.azure-dns.net

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:178.15.128.143 ip4:2.207.215.108 ip4:212.18.198.180 ip4:46.165.165.194 include:spf.protection.outlook.com include:spf.de.umantis.com include:spf.imc-hosting.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

5 records
  • 7gJDmY/Z+QvLei/5nP1GGbBlMnaAt8djwTeuhH4NZJwnKDlfgaQ3WUL2LmonaqnGdqW0/4KiAQTVpGCQhBAY1g==
  • apple-domain-verification=TWoy38lj4SY4eOom
  • google-site-verification=3u_cDH6jLAG7thl5fXfAJQyDhcgVkKRBLOe5ZSqwOHA
  • SPFv=spf1 ip4:178.15.128.143 ip4:2.207.215.108 ip4:212.18.198.180 ip4:46.165.165.194 include:spf.protection.outlook.com include:spf.de.umantis.com include:spf.imc-hosting.com ~all
  • 1488898612.bau._domainkey IN TXT "v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCny3bcNN6IY131JZ/f6kYaIacPd2NtAeCU3kAt3psCDI8e0sc/onnpbdCU9KDHZWP90hI3YjLBBq91oFmR/QDw8XAGQmBWeETu5F0HoLT9ZLcsSTqfhjjSTLxuvitU2kGxJL5tyc5apeqjOxavJAB/5s03siGKs15dK5wLuIsjiQIDAQAB"
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for gross-bau.de

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits