tcasonline.com

Valid Email Server
Domain Lookup › tcasonline.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
tcasonline.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-31 05:38:45 UTC · ↺ Refresh

MX Hostnames

  • aspmx2.googlemail.com
  • alt1.aspmx.l.google.com
  • aspmx.l.google.com
  • aspmx3.googlemail.com
  • alt2.aspmx.l.google.com

MX Priorities

  • aspmx3.googlemail.com: 10
  • aspmx.l.google.com: 1
  • alt2.aspmx.l.google.com: 5
  • aspmx2.googlemail.com: 10
  • alt1.aspmx.l.google.com: 5

A / AAAA Records

  • 178.18.125.99 ↩ 178.18.125.99.static.hosted.by.combell.com

Mail Server IPs

  • 172.253.116.26 ↩ dj-in-f26.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
  • 142.251.163.27 ↩ wv-in-f27.1e100.net
  • 2607:f8b0:4004:c17::1a ↩ bl-in-f26.1e100.net
  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 108.177.123.26 ↩ lcscld-in-f26.1e100.net
  • 2800:3f0:4003:c0f::1b (no PTR)
  • 108.177.123.27 ↩ lcscld-in-f27.1e100.net

SOA Record

Raw SOA ns0.reg365.net support.reg365.net 2026011301 28800 3600 604800 86400
Primary NS (mname)
ns0.reg365.net
Admin Email (rname)
support@reg365.net
Serial
2026011301
Refresh
28800s
Retry
3600s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

ns0.reg365.net
ns1.reg365.net
ns2.reg365.net

SPF Record

✓ Soft Fail (~all)
v=spf1 mx a:smtp.reg365.net a:outgoing-smtp.reg365.net a:smtp.hosts.co.uk a:athena.hosts.co.uk a:hermes.hosts.co.uk a:outgoing-smtp.namesco.net include:spf.mandrillapp.com include:sparkpostmail.com ~all
📊 DNS lookups: 9/10
~ Soft fail (~all) — moderate 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

6 records
  • UYCJN38IZ3V6SF21JT3XX9XEBWSBSTBTBZ05KUTZ
  • SPFv=spf1 mx a:smtp.reg365.net a:outgoing-smtp.reg365.net a:smtp.hosts.co.uk a:athena.hosts.co.uk a:hermes.hosts.co.uk a:outgoing-smtp.namesco.net include:spf.mandrillapp.com include:sparkpostmail.com ~all
  • google-site-verification=LRQw_aCuX02U5km6KeVTtGSsxbjVKsVQxtrYK0in_oM
  • google-site-verification=nx8xEx_EATvxAObiZ_HMaUBvgknpzkpiLD0Dg8DXbQY
  • MS=ms48849233
  • SPFv=spf1 include:zcsend.net ~all
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