Domain Overview
DNS: ✓ 20d ago
Checker: ✓ 20d ago
heatingandacsystems.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 06:55:44 UTC · ↺ Refresh
MX Hostnames
- alt1.aspmx.l.google.com
- aspmx5.googlemail.com
- aspmx4.googlemail.com
- aspmx2.googlemail.com
- alt2.aspmx.l.google.com
- aspmx.l.google.com
- aspmx3.googlemail.com
MX Priorities
- alt1.aspmx.l.google.com: 20
- aspmx.l.google.com: 10
- aspmx2.googlemail.com: 30
- aspmx5.googlemail.com: 30
- aspmx4.googlemail.com: 30
- aspmx3.googlemail.com: 30
- alt2.aspmx.l.google.com: 20
A / AAAA Records
- 185.146.167.197 (no PTR)
Mail Server IPs
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 172.253.115.26 ↩ bg-in-f26.1e100.net
- 2607:f8b0:4004:c1f::1b ↩ pd-in-f27.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 173.194.76.26 ↩ ws-in-f26.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-f26.1e100.net
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
SOA Record
Raw SOA
dns159.a.register.com root.register.com 2016022416 28800 7200 604800 3600
Primary NS (mname)
dns159.a.register.com
Admin Email (rname)
root@register.com
Serial
2016022416
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
dns082.d.register.com
dns159.a.register.com
dns060.b.register.com
dns242.c.register.com
SPF Record
✗ MissingNo SPF record — domain is unprotected against spoofing.
⚠ No SPF record found. Email servers cannot verify authorized senders.
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo 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
2 records- google-site-verification=uBl8txS9S8cLj7oPJ922Dx86c5o82sEYTks1qBMOxiE
- globalsign-domain-verification=19AA6180A58EFE1F45FE461C7AC4010C
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