op-frankfurt.de

Valid Email Server
Domain Lookup › op-frankfurt.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
op-frankfurt.de
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 19:36:26 UTC · ↺ Refresh

MX Hostnames

  • aspmx.l.google.com
  • alt2.aspmx.l.google.com

MX Priorities

  • alt2.aspmx.l.google.com: 20
  • aspmx.l.google.com: 10

A / AAAA Records

  • 217.160.0.201 ↩ 217-160-0-201.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::245 ↩ 2001-08d8-100f-f000-0000-0000-0000-0245.elastic-ssl.ui-r.com

Mail Server IPs

  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
  • 142.250.31.27 ↩ bj-in-f27.1e100.net
  • 2607:f8b0:4004:c1b::1b ↩ wv-in-f27.1e100.net

SOA Record

Raw SOA ns.udag.de hostmaster.united-domains.de 2021050609 10800 3600 604800 3600
Primary NS (mname)
ns.udag.de
Admin Email (rname)
hostmaster@united-domains.de
Serial
2021050609
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns.udag.de
ns.udag.org
ns.udag.net

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

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

No TXT records found.

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