Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nationalroofing.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 22:55:19 UTC · ↺ Refresh
MX Hostnames
- nationalroofing-com.inbound.emailservice.cc
- nationalroofing-com.inbound.emailservice.io
- nationalroofing-com.inbound.emailservice.co
MX Priorities
- nationalroofing-com.inbound.emailservice.co: 30
- nationalroofing-com.inbound.emailservice.io: 10
- nationalroofing-com.inbound.emailservice.cc: 20
A / AAAA Records
- 143.198.63.38 ↩ nationalroofing.com
Mail Server IPs
- 107.21.241.201 ↩ ec2-107-21-241-201.compute-1.amazonaws.com
- 52.44.33.109 ↩ ec2-52-44-33-109.compute-1.amazonaws.com
- 54.211.15.143 ↩ ec2-54-211-15-143.compute-1.amazonaws.com
SOA Record
Raw SOA
ns1-37.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-37.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns3-37.azure-dns.org
ns4-37.azure-dns.info
ns1-37.azure-dns.com
ns2-37.azure-dns.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.us.emailservice.io -all
📊 DNS lookups: 2/10
✓ 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
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
3 records- SPFv=spf1 include:spf.protection.outlook.com include:spf.us.emailservice.io -all
- sending_domain1051242=c84d105d338e29d3385a5a27744803c9e34f4fbda1cdcdc61a76c6bc8d319bdb
- pardot1051242=0f9b4eb20e0dbdad1cb62447d5f67077a24e051ec12c5dd572d10685699f6ea1
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