Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
skyheating.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 22:40:33 UTC · ↺ Refresh
MX Hostnames
- skyheating-com.mail.protection.outlook.com
MX Priorities
- skyheating-com.mail.protection.outlook.com: 10
A / AAAA Records
- 72.167.39.6 ↩ 6.39.167.72.host.secureserver.net
Mail Server IPs
- 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
- 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
- 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
- 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f901::2 ↩ mail-bl2pr02cu00402.inbound.protection.outlook.com
- 2a01:111:f403:f903:: (no PTR)
- 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
ns31.worldnic.com namehost.worldnic.com 125121214 10800 3600 604800 3600
Primary NS (mname)
ns31.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125121214
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns31.worldnic.com
ns32.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:192.248.230.74 ip4:50.198.171.77 ip4:76.138.211.174 include:spf.protection.outlook.com include:emsd1.com include:sendgrid.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- google-site-verification=cgzmm51wHa0RDoJMRGwTr1HxSWC2SAXIpOKAGS65gPU
- SPFv=spf1 ip4:192.248.230.74 ip4:50.198.171.77 ip4:76.138.211.174 include:spf.protection.outlook.com include:emsd1.com include:sendgrid.com -all
- google-site-verification=MKp5CHPIxSrUZ9jZe7lh1eRko-to4DG-pIugO7nuJHY
- ca3-67ee33f90c9c441cbb81bd9e5411151f
- MS=ms20274269
Full email verification for skyheating.com
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