Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
taco-hvac.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 05:04:15 UTC · ↺ Refresh
MX Hostnames
- tacohvac-com01b.mail.protection.outlook.com
MX Priorities
- tacohvac-com01b.mail.protection.outlook.com: 1
A / AAAA Records
- 205.174.25.64 (no PTR)
Mail Server IPs
- 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
- 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f910:: ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-08.azure-dns.com hostmaster.sprintout.net 2021110802 3600 900 2400000 300
Primary NS (mname)
ns1-08.azure-dns.com
Admin Email (rname)
hostmaster@sprintout.net
Serial
2021110802
Refresh
3600s
Retry
900s
Expire
2400000s
Minimum TTL
300s
Nameservers (NS)
ns1-08.azure-dns.com
ns2-08.azure-dns.net
ns3-08.azure-dns.org
ns4-08.azure-dns.info
SPF Record
✓ Strict (-all)
v=spf1 ip4:96.238.1.80/28 ip4:144.121.80.160 ip4:144.121.80.146/30 ip4:104.130.141.42 ip4:205.174.25.64 ip6:2001:4800:7818:103:be76:4eff:fe04:a96c include:spf.protection.outlook.com include:spf.emailsignatures365.com include:mailgun.org -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict 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
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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
2 records- MS=ms67993795
- SPFv=spf1 ip4:96.238.1.80/28 ip4:144.121.80.160 ip4:144.121.80.146/30 ip4:104.130.141.42 ip4:205.174.25.64 ip6:2001:4800:7818:103:be76:4eff:fe04:a96c include:spf.protection.outlook.com include:spf.emailsignatures365.com include:mailgun.org -all
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