Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dr-flex.de
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 18:53:57 UTC · ↺ Refresh
MX Hostnames
- aspmx.l.google.com
- alt3.aspmx.l.google.com
MX Priorities
- aspmx.l.google.com: 1
- alt3.aspmx.l.google.com: 10
A / AAAA Records
- 46.16.74.99 ↩ ip46-16-74-99.pbiaas.com
- 46.16.74.86 ↩ ip46-16-74-86.pbiaas.com
- 78.137.103.97 ↩ app.gini.net
- 78.137.98.79 ↩ ip78-137-98-79.pbiaas.com
Mail Server IPs
- 172.253.62.26 ↩ bc-in-f26.1e100.net
- 2607:f8b0:4004:c09::1b ↩ bh-in-f27.1e100.net
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
SOA Record
Raw SOA
ns.udag.de hostmaster.united-domains.de 2024121252 10800 3600 604800 3600
Primary NS (mname)
ns.udag.de
Admin Email (rname)
hostmaster@united-domains.de
Serial
2024121252
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns.udag.net
ns.udag.de
ns.udag.org
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:spf.sendinblue.com mx ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
google._domainkey
mail._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- SPFv=spf1 include:_spf.google.com include:spf.sendinblue.com mx ~all
- google-site-verification=lV12fpv35ccPFQbxxgsUsC6OJTmRX-KUWKIIBIFrmRs
- sendinblue-code:78ac3ea1bad943edb639eaa920069f5e
- atlassian-domain-verification=uALebo1HYq0TabArzFZaX3AEcxqp3ECAZjaOQurwVR8xhpzDyQbqPqUQvlIGeMyN
- google-site-verification=zrKj7TQrnIjvPHsJ6kdrWvVGQGxcyJDL5F-SHsxuk48
Full email verification for dr-flex.de
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