Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
c21nm.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 17:28:29 UTC · ↺ Refresh
MX Hostnames
- c21nm-com.mail.protection.outlook.com
MX Priorities
- c21nm-com.mail.protection.outlook.com: 10
A / AAAA Records
- 170.249.211.110 (no PTR)
Mail Server IPs
- 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
- 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns31.domainmonger.com support.cloudns.net 2026030601 7200 1800 1209600 3600
Primary NS (mname)
ns31.domainmonger.com
Admin Email (rname)
support@cloudns.net
Serial
2026030601
Refresh
7200s
Retry
1800s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns31.domainmonger.com
ns32.domainmonger.com
ns33.domainmonger.com
ns34.domainmonger.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:34.197.115.101 include:sendgrid.net include:spf.protection.outlook.com include:amazonses.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;rua=mailto:[email protected];ruf=mailto:[email protected];fo=1;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
k1._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- google-site-verification=4X-COQOR9RgHS3B0yF1mf-LgoSrM0w3kuEAXeNlLNaU
- SPFv=spf1 ip4:34.197.115.101 include:sendgrid.net include:spf.protection.outlook.com include:amazonses.com ~all
- apple-domain-verification=PyO0uiRr2cdiaUG08WlIFKUf5VnsmKykfjqisLgCMFM
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