Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sentryroofing.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 09:01:36 UTC · ↺ Refresh
MX Hostnames
- sentryroofing-com.mail.protection.outlook.com
MX Priorities
- sentryroofing-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.207.254.75 ↩ cloudhost-180693.us-midwest-1.nxcli.net
Mail Server IPs
- 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
- 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
- 52.101.9.17 (no PTR)
- 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
- 2a01:111:f403:f901::2 ↩ mail-bl2pr02cu00402.inbound.protection.outlook.com
- 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1063.ui-dns.biz hostmaster.1and1.com 2018050738 28800 7200 604800 300
Primary NS (mname)
ns1063.ui-dns.biz
Admin Email (rname)
hostmaster@1and1.com
Serial
2018050738
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1072.ui-dns.org
ns1029.ui-dns.de
ns1022.ui-dns.com
ns1063.ui-dns.biz
SPF Record
✓ Strict (-all)
v=spf1 include:mailgun.org include:spf.protection.outlook.com include:spfa.cpmails.com include:mailanyone.net include:emsd1.com ip4:104.207.254.75 ip4:44.211.178.112 ip4:3.101.216.144 ip4:3.214.204.18 -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; fo=1; pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],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
1 record- SPFv=spf1 include:mailgun.org include:spf.protection.outlook.com include:spfa.cpmails.com include:mailanyone.net include:emsd1.com ip4:104.207.254.75 ip4:44.211.178.112 ip4:3.101.216.144 ip4:3.214.204.18 -all
Full email verification for sentryroofing.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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