Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
superiorplumbingmi.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 20:36:00 UTC · ↺ Refresh
MX Hostnames
- superiorplumbingmi-com.mail.protection.outlook.com
MX Priorities
- superiorplumbingmi-com.mail.protection.outlook.com: 0
A / AAAA Records
- 155.130.134.33 ↩ cust-155.130.134.33.switch.com
Mail Server IPs
- 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
- 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
- 52.101.9.11 ↩ mail-bl2pr04cu00103.inbound.protection.outlook.com
- 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
- 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.specrumdns.com ispadmin.spectrumnetdesigns.com 2024062509 7200 540 604800 3600
Primary NS (mname)
ns1.specrumdns.com
Admin Email (rname)
ispadmin@spectrumnetdesigns.com
Serial
2024062509
Refresh
7200s
Retry
540s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns1.spectrumdns.com
ns2.spectrumdns.com
SPF Record
✓ Strict (-all)
v=spf1 mx a include:spf.spechost.net ip4:96.36.5.218 include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; adkim=s; aspf=s; fo=1; ri=3600;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Strict
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
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=ms16257601
- SPFv=spf1 mx a include:spf.spechost.net ip4:96.36.5.218 include:spf.protection.outlook.com -all
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