Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
summumcorp.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 00:10:50 UTC · ↺ Refresh
MX Hostnames
- summumcorp-com.mail.protection.outlook.com
MX Priorities
- summumcorp-com.mail.protection.outlook.com: 0
A / AAAA Records
- 160.153.0.188 ↩ 188.0.153.160.host.secureserver.net
Mail Server IPs
- 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
- 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
- 52.101.10.2 ↩ mail-bn8pr03cu00202.inbound.protection.outlook.com
- 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
- 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f908::2 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
SOA Record
Raw SOA
ns47.worldnic.com namehost.worldnic.com 126031817 10800 3600 604800 3600
Primary NS (mname)
ns47.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126031817
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns47.worldnic.com
ns48.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:199.244.75.188 ip4:186.28.227.106 ip4:186.28.227.109 ip4:181.143.40.139 ip4:181.205.184.75 ip4:181.129.59.67 ip4:77.32.170.5 include:servers.mcsv.net include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 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
9 records- mm7293hl6dgi1lgtcu75h36tq9
- tdr9vdajg8qnbjn6s12n90b0lq
- 1n8gb47q573l8oigom5f6id40i
- q6561vmbha622mv878c0v849kb
- MS=ms24098466
- hv9l38aqp1pcfudqpcm77fr62m
- SPFv=spf1 ip4:199.244.75.188 ip4:186.28.227.106 ip4:186.28.227.109 ip4:181.143.40.139 ip4:181.205.184.75 ip4:181.129.59.67 ip4:77.32.170.5 include:servers.mcsv.net include:spf.protection.outlook.com -all
- p9hteunnarg74s4r5ghp3h3civ
- kf8fb661vemok9et9bs36e5vmr
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