Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
hlthrs.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 23:56:13 UTC · ↺ Refresh
MX Hostnames
- hlthrs-com.mail.protection.outlook.com
MX Priorities
- hlthrs-com.mail.protection.outlook.com: 0
A / AAAA Records
- 38.68.53.225 (no PTR)
Mail Server IPs
- 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
- 52.101.10.2 ↩ mail-bn8pr03cu00202.inbound.protection.outlook.com
- 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
- 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns10.digicertdns.com dns.digicertdns.com 2009010140 43200 3600 1209600 180
Primary NS (mname)
ns10.digicertdns.com
Admin Email (rname)
dns@digicertdns.com
Serial
2009010140
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns15.digicertdns.net
ns14.digicertdns.net
ns12.digicertdns.com
ns10.digicertdns.com
ns11.digicertdns.com
ns13.digicertdns.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:148.66.203.9 ip4:147.124.217.158 ip4:50.199.7.209 ip4:68.142.150.196 ip4:148.66.204.216/29 ip4:75.87.12.114 ip4:47.190.97.105 ip4:50.208.53.73 ip4:99.29.62.211 include:spf.protection.outlook.com include:_spf.prod.hydra.sophos.com include:_spf_uswest2.prod.hydra.sophos.com include:_spf_useast2.prod.hydra.sophos.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; adkim=r; aspf=r
✓ Reject — strongest protection
📋 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- include:autotask.net
- sophos-domain-verification=c73d069f6c985adc0fddd545242354da274318d9
- MS=ms59495393
- duo_sso_verification=iuJ6lN2jBQDZK9dnJm5Qrsx3KUZ6rxMHVMZizU1ikRw1fc58HTgobxRdVEejngj1
- SPFv=spf1 ip4:148.66.203.9 ip4:147.124.217.158 ip4:50.199.7.209 ip4:68.142.150.196 ip4:148.66.204.216/29 ip4:75.87.12.114 ip4:47.190.97.105 ip4:50.208.53.73 ip4:99.29.62.211 include:spf.protection.outlook.com include:_spf.prod.hydra.sophos.com include:_spf_uswest2.prod.hydra.sophos.com include:_spf_useast2.prod.hydra.sophos.com -all
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