uestra.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
uestra.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-31 10:21:52 UTC · ↺ Refresh

MX Hostnames

  • uestra-de.mail.protection.outlook.com

MX Priorities

  • uestra-de.mail.protection.outlook.com: 0

A / AAAA Records

  • 185.85.1.141 ↩ ip-185-85-1-141.ax5z.com
  • 2a02:cb40:200::67 (no PTR)

Mail Server IPs

  • 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com

SOA Record

Raw SOA ns.htp-tel.de domainmaster.htp.net 2026033101 43200 7200 1209600 600
Primary NS (mname)
ns.htp-tel.de
Admin Email (rname)
domainmaster@htp.net
Serial
2026033101
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
600s

Nameservers (NS)

ns2.htp-tel.de
ns1.htp-tel.de
ns.htp-tel.de

SPF Record

✓ Strict (-all)
v=spf1 ip4:212.59.34.18 ip4:81.14.173.254 include:spf.protection.outlook.com include:spfhard.crsend.com include:spf-de.emailsignatures365.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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

10 records
  • MS=ms64015299
  • uestralabweb.azurewebsites.net
  • adobe-idp-site-verification=2b2460cfd2e87b602b5b01ee46af6a0cf992fe58d7c09d82b2b344119d6d7260
  • apple-domain-verification=YSg2NzE0EWenYf26
  • ms-domain-verification=627d835a-6fc7-4aa2-880e-c62095c7bc42
  • MS=15337C91920B51CAD0AF6541CD92B7C49D53A002
  • google-site-verification=p8AGb2zfg6r4NE0XmbUyR1hRbVLUbPCMtQbG8JDzSEs
  • atlassian-domain-verification=uklsB6TbbFNpVirzoMnhtWa5/pCoH5nX30eHyTqPDEbFJzk7WJuV4jf3fPsPvtD9
  • SPFv=spf1 ip4:212.59.34.18 ip4:81.14.173.254 include:spf.protection.outlook.com include:spfhard.crsend.com include:spf-de.emailsignatures365.com -all
  • swisssign-check=df_mscajB1LZkNahbMYScLuwjSY
Full email verification for uestra.de

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits