advancedinsulationsystemsd.com

Valid Email Server
Domain Lookup › advancedinsulationsystemsd.com

Domain Overview

DNS: ✓ 19d ago Checker: ✓ 19d ago
advancedinsulationsystemsd.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-08-13 16:17:10 UTC · ↺ Refresh

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MX Hostnames

  • smtp.google.com

MX Priorities

  • smtp.google.com: 1

A / AAAA Records

  • 151.101.130.159 (no PTR)

Mail Server IPs

  • 142.250.31.26 ↩ bj-in-f26.1e100.net
  • 172.253.115.27 ↩ bg-in-f27.1e100.net
  • 172.253.115.26 ↩ bg-in-f26.1e100.net
  • 172.253.63.27 ↩ bi-in-f27.1e100.net
  • 172.253.63.26 ↩ bi-in-f26.1e100.net
  • 2607:f8b0:4004:c08::1a ↩ bi-in-f26.1e100.net
  • 2607:f8b0:4004:c06::1a ↩ bg-in-f26.1e100.net
  • 2607:f8b0:4004:c06::1b ↩ bg-in-f27.1e100.net
  • 2607:f8b0:4004:c08::1b ↩ bi-in-f27.1e100.net

SOA Record

Raw SOA dns2052a.trouble-free.net not-monitored-email.interserver.net 2026081303 3600 1800 1209600 86400
Primary NS (mname)
dns2052a.trouble-free.net
Admin Email (rname)
not-monitored-email@interserver.net
Serial
2026081303
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

dns2052a.trouble-free.net
dns2052b.trouble-free.net

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:68.168.211.130 include:relay.mailbaby.net +a +mx include:_spf.google.com include:23191233.spf01.hubspotemail.net ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 2 found
google._domainkey
default._domainkey
✓ Public key: 237 chars (valid)
✓ DKIM properly configured for selector: google

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

All TXT Records

4 records
  • SPFv=spf1 ip4:68.168.211.130 include:relay.mailbaby.net +a +mx include:_spf.google.com include:23191233.spf01.hubspotemail.net ~all
  • google-site-verification=X-Iagwv8iBv0UfQy3YgjAgQtkMVOO283RKy-05fr8ow
  • google-site-verification=YWW1WiMyRl_k7YVykAn2TnoqebG7R9N8OzDRhm60VJE
  • 75291860-e83f-4232-b2d0-33f2e1c215f6
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