Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
schulerheating.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 11:57:14 UTC · ↺ Refresh
MX Hostnames
- mx001.netsol.xion.oxcs.net
- mx002.netsol.xion.oxcs.net
MX Priorities
- mx001.netsol.xion.oxcs.net: 10
- mx002.netsol.xion.oxcs.net: 10
A / AAAA Records
- 104.21.21.170 (no PTR)
- 172.67.199.164 (no PTR)
- 2606:4700:3036::ac43:c7a4 (no PTR)
- 2606:4700:3033::6815:15aa (no PTR)
Mail Server IPs
- 173.45.18.128 ↩ mx31.oxsus-vadesecure.net
- 173.45.18.129 ↩ mx32.oxsus-vadesecure.net
SOA Record
Raw SOA
jarred.ns.cloudflare.com dns.cloudflare.com 2398754496 10000 2400 604800 1800
Primary NS (mname)
jarred.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398754496
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
laura.ns.cloudflare.com
jarred.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 +ip4:69.16.238.229 +include:spf.registeredsite.com +include:spf.cloudus.oxcs.net ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 +ip4:69.16.238.229 +include:spf.registeredsite.com +include:spf.cloudus.oxcs.net ~all
- MS=ms28934637
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