u-s-c.de

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-28 09:01:37 UTC · ↺ Refresh

MX Hostnames

  • usc-de0k.mail.protection.outlook.com

MX Priorities

  • usc-de0k.mail.protection.outlook.com: 20

A / AAAA Records

  • 89.200.171.98 ↩ mx1.ovm.de

Mail Server IPs

  • 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
  • 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
  • 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
  • 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
  • 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.antagus.de root.ns1.antagus.de 1763027657 10800 3600 604800 3600
Primary NS (mname)
ns1.antagus.de
Admin Email (rname)
root@ns1.antagus.de
Serial
1763027657
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns2.antagus.de
ns1.antagus.de

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf-de.emailsignatures365.com include:spf.protection.outlook.com ip4:109.235.63.68 ip4:151.252.56.138 ip4:151.252.48.153 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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
  • MS=B9D7EA944F5FBA7CA4B01B86F6810E1BB26E1FBB
  • google-site-verification=ky9ObigPW9YPGSwh71iW3nvR8tLms5cO9uRK3rj2_Ag
  • google-site-verification=QOmGloBl4dCF3ghFXoUDrZOQEevwc0RSoFL5mw63A3w
  • linkedin-site-verification=1d5d9e24-ff67-4230-8154-d599219a7e33
  • SPFv=spf1 include:spf-de.emailsignatures365.com include:spf.protection.outlook.com ip4:109.235.63.68 ip4:151.252.56.138 ip4:151.252.48.153 ~all
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 u-s-c.de

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

No credit card required
Get 1,000 Free Credits