bluetail.aero

Valid Email Server
Domain Lookup › bluetail.aero

Domain Overview

DNS: ✓ 20d ago Checker: ✓ 20d ago
bluetail.aero
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-21 09:45:19 UTC · ↺ Refresh

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MX Hostnames

  • alt1.aspmx.l.google.com
  • aspmx.l.google.com

MX Priorities

  • aspmx.l.google.com: 1
  • alt1.aspmx.l.google.com: 5

A / AAAA Records

  • 141.193.213.11 (no PTR)
  • 141.193.213.10 (no PTR)

Mail Server IPs

  • 142.251.16.26 ↩ bl-in-f26.1e100.net
  • 2607:f8b0:4004:c23::1a ↩ yuiadrs-in-f26.1e100.net
  • 108.177.123.26 ↩ lcscld-in-f26.1e100.net
  • 2800:3f0:4003:c0f::1a (no PTR)

SOA Record

Raw SOA ns-1872.awsdns-42.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1872.awsdns-42.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1026.awsdns-00.org
ns-1872.awsdns-42.co.uk
ns-490.awsdns-61.com
ns-909.awsdns-49.net

SPF Record

✓ Soft Fail (~all)
v=spf1 include:23159917.spf05.hubspotemail.net include:_spf.google.com include:sendgrid.net ~all
📊 DNS lookups: 3/10
~ 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

✓ 3 found
google._domainkey
s1._domainkey
s2._domainkey
⚠ Public key (p=) missing in DKIM record for selector google.

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

All TXT Records

2 records
  • google-site-verification=WvXHcxwDvtnG6jjbkpFRxIawWbwSCaY7wBWPr_Y1fQg
  • SPFv=spf1 include:23159917.spf05.hubspotemail.net include:_spf.google.com include:sendgrid.net ~all
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