Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mcc-hvac.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 06:11:37 UTC · ↺ Refresh
MX Hostnames
- mcchvac-com0i.mail.protection.outlook.com
MX Priorities
- mcchvac-com0i.mail.protection.outlook.com: 0
A / AAAA Records
- 199.60.103.28 (no PTR)
- 199.60.103.128 (no PTR)
Mail Server IPs
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
- 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
- 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
- 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
- 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.dnshost.net zonemaster\@dnshost.net 1762771326 43200 3600 604800 3600
Primary NS (mname)
ns1.dnshost.net
Admin Email (rname)
zonemaster\@dnshost@net
Serial
1762771326
Refresh
43200s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns1.dnshost.net
ns2.dnshost.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:146.66.121.215 ip4:77.104.166.134 ip4:194.218.17.112/29 ip4:50.223.28.224/29 ip4:199.219.227.8/29 ip4:216.138.204.174 ip4:207.112.13.22 ip4:80.50.133.158 ip4:68.232.128.0/19 ip4:62.20.61.71 ip4:185.32.147.224/29 include:spf.vbggroup.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
k1._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
6 records- teamviewer-sso-verification=eb7c217f06be4643abe68a21c4f050f1
- MS=ms74463447
- ms-domain-verification=443eb5fe-288c-419b-8955-9feed930c09e
- DomainVerification=UGGNN0TR2TMBI8GBW9EVWM3FHVL3GQ2SIVJS1MO8U9JNEOXCN0RJ4QZIAO9XKT5Z
- SPFv=spf1 include:spf.protection.outlook.com ip4:146.66.121.215 ip4:77.104.166.134 ip4:194.218.17.112/29 ip4:50.223.28.224/29 ip4:199.219.227.8/29 ip4:216.138.204.174 ip4:207.112.13.22 ip4:80.50.133.158 ip4:68.232.128.0/19 ip4:62.20.61.71 ip4:185.32.147.224/29 include:spf.vbggroup.com -all
- 1password-site-verification=YZHEWSUKM5AHJNZOV34L6OSNYE
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