Domain Overview
DNS: ✓ 3d ago
Checker: ✓ 3d ago
towerheatingandair.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-18 12:10:28 UTC · ↺ Refresh
MX Hostnames
- mx003.netsol.xion.oxcs.net
- mx004.netsol.xion.oxcs.net
- mx002.netsol.xion.oxcs.net
- mx001.netsol.xion.oxcs.net
MX Priorities
- mx002.netsol.xion.oxcs.net: 10
- mx004.netsol.xion.oxcs.net: 10
- mx001.netsol.xion.oxcs.net: 10
- mx003.netsol.xion.oxcs.net: 10
A / AAAA Records
- 199.16.172.144 (no PTR)
- 199.16.173.203 (no PTR)
Mail Server IPs
- 173.45.18.129 ↩ mx32.oxsus-vadesecure.net
- 51.81.206.109 ↩ mx34.oxsus-vadesecure.net
- 173.45.18.128 ↩ mx31.oxsus-vadesecure.net
- 51.81.206.108 ↩ mx33.oxsus-vadesecure.net
SOA Record
Raw SOA
ns10.digicertdns.com dns.digicertdns.com 2009010121 43200 3600 1209600 180
Primary NS (mname)
ns10.digicertdns.com
Admin Email (rname)
dns@digicertdns.com
Serial
2009010121
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns5.openhostingservice.com
ns1.openhostingservice.com
ns4.openhostingservice.com
ns2.openhostingservice.com
ns3.openhostingservice.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.cloudus.oxcs.net ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
s1._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- SPFv=spf1 include:spf.cloudus.oxcs.net ~all
- facebook-domain-verification=2w7knfs3gsm0zayg6gm274ddb8loqz
- atomic-domain-ea65c72fb13ea3d5bd81796bd9f1b9950ad27dfc73526297cee1b59cb89d5792
- MS=ms15073870
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