btsdesigninc.com

Valid Email Server
Domain Lookup › btsdesigninc.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
btsdesigninc.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-19 09:49:04 UTC · ↺ Refresh

MX Hostnames

  • mx01.ionos.com
  • mx00.ionos.com

MX Priorities

  • mx00.ionos.com: 10
  • mx01.ionos.com: 10

A / AAAA Records

  • 198.49.23.145 (no PTR)
  • 198.185.159.145 (no PTR)
  • 198.185.159.144 (no PTR)
  • 198.49.23.144 (no PTR)

Mail Server IPs

  • 74.208.5.3 ↩ mx00.perfora.net
  • 74.208.5.21 ↩ mx01.perfora.net

SOA Record

Raw SOA ns1091.ui-dns.org hostmaster.1und1.com 2017060108 28800 7200 604800 600
Primary NS (mname)
ns1091.ui-dns.org
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060108
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns1091.ui-dns.org
ns1045.ui-dns.com
ns1040.ui-dns.biz
ns1045.ui-dns.de

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.mailjet.com include:_spf.perfora.net include:_spf-us.ionos.com include:_spf.kundenserver.de include:spf.protection.outlook.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1;p=reject
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

1 record
  • SPFv=spf1 include:spf.mailjet.com include:_spf.perfora.net include:_spf-us.ionos.com include:_spf.kundenserver.de include:spf.protection.outlook.com ~all
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