perform-online.com

Valid Email Server
Domain Lookup › perform-online.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
perform-online.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-29 07:56:41 UTC · ↺ Refresh

MX Hostnames

  • performonline-com01i.mail.protection.outlook.com

MX Priorities

  • performonline-com01i.mail.protection.outlook.com: 0

A / AAAA Records

  • 5.101.173.45 ↩ blackwell.dnshostnetwork.com

Mail Server IPs

  • 52.101.89.2 ↩ mail-lo3p265cu00302.inbound.protection.outlook.com
  • 52.101.99.2 ↩ mail-cwxp265cu00502.inbound.protection.outlook.com
  • 52.101.89.1 ↩ mail-lo0p265cu00201.inbound.protection.outlook.com
  • 52.101.99.0 ↩ mail-cwxp265cu00600.inbound.protection.outlook.com
  • 2a01:111:f403:ca0b::1 ↩ mail-lo3p265cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:ca0b::2 ↩ mail-lo0p265cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:ca0b:: ↩ mail-lo2p265cu02300.inbound.protection.outlook.com
  • 2a01:111:f403:ca1a::1 ↩ mail-cwxp265cu00601.inbound.protection.outlook.com

SOA Record

Raw SOA ns1072.ui-dns.org hostmaster.1und1.com 2017060164 28800 7200 604800 600
Primary NS (mname)
ns1072.ui-dns.org
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060164
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns1093.ui-dns.de
ns1072.ui-dns.org
ns1081.ui-dns.com
ns1061.ui-dns.biz

SPF Record

✓ Soft Fail (~all)
v=spf1 +mx +a +ip4:5.101.173.45 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default

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

All TXT Records

2 records
  • SPFv=spf1 +mx +a +ip4:5.101.173.45 ~all
  • NETORGFT4525028.onmicrosoft.com
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