ultech.de

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-20 04:52:32 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 34.49.73.66 ↩ 66.73.49.34.bc.googleusercontent.com

Mail Server IPs

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

SOA Record

Raw SOA ns1.onepage.io dnsmaster.onepage.io 2023052403 10800 3600 604800 1200
Primary NS (mname)
ns1.onepage.io
Admin Email (rname)
dnsmaster@onepage.io
Serial
2023052403
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
1200s

Nameservers (NS)

ns1.onepage.io
ns2.onepage.io

SPF Record

✓ Strict (-all)
v=spf1 ip4:3.120.0.4 ip4:217.31.89.81 ip4:3.122.21.86 ip4:52.58.12.247 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

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

All TXT Records

3 records
  • google-site-verification=j8eKNxlsnKdpgTPSs8iPuZhS6YYUuMEFn43v_eF6Phw
  • SPFv=spf1 ip4:3.120.0.4 ip4:217.31.89.81 ip4:3.122.21.86 ip4:52.58.12.247 include:spf.protection.outlook.com -all
  • v=verifydomain MS=9709332
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