Domain Overview
DNS: ✓ 3d ago
Checker: ✓ 3d ago
hvacredu.net
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-19 08:39:16 UTC · ↺ Refresh
MX Hostnames
- hvacredu-net.mail.protection.outlook.com
MX Priorities
- hvacredu-net.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.23.145 (no PTR)
- 172.67.211.167 (no PTR)
- 2606:4700:3037::6815:1791
- 2606:4700:3030::ac43:d3a7
Mail Server IPs
- 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
- 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
- 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
- 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
- 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
SOA Record
Raw SOA
coleman.ns.cloudflare.com dns.cloudflare.com 2404228859 10000 2400 604800 1800
Primary NS (mname)
coleman.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2404228859
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
coleman.ns.cloudflare.com
norah.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:secureserver.net include:_spf.mailersend.net ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;sp=quarantine;adkim=r;aspf=r;pct=100;fo=1;rf=afrf;ri=86400;rua=mailto:[email protected],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],mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._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- MS=ms11094322
- google-site-verification=GUTtUm7v8ls8EmeiP5FUmloTt3HTJE9pnvDyrGIg9TQ
- m3kp98m9bf4g8x2kl7v3lvwnctng5bj7
- q1sk54nkeearnbjdpn6fg92l6i
- SPFv=spf1 include:spf.protection.outlook.com include:secureserver.net include:_spf.mailersend.net ~all
- 1fu3b1vp7prd2f9nh79ci1eh05
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