Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nuco2.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-22 23:21:36 UTC · ↺ Refresh
MX Hostnames
- nuco2-com.mail.protection.outlook.com
MX Priorities
- nuco2-com.mail.protection.outlook.com: 0
A / AAAA Records
- 23.49.248.13 ↩ a23-49-248-13.deploy.static.akamaitechnologies.com
- 23.49.248.21 ↩ a23-49-248-21.deploy.static.akamaitechnologies.com
Mail Server IPs
- 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
- 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
SOA Record
Raw SOA
udns1.cscdns.net hostmaster.cscdns.net 2020050902 86400 86400 86400 86400
Primary NS (mname)
udns1.cscdns.net
Admin Email (rname)
hostmaster@cscdns.net
Serial
2020050902
Refresh
86400s
Retry
86400s
Expire
86400s
Minimum TTL
86400s
Nameservers (NS)
udns1.cscdns.net
udns2.cscdns.uk
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.linde.com include:spf.praxair.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;pct=100;rua=mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected],mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],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
7 records- MS=ms28186274
- h33lo315047vvtj7fe4f8a63k9
- MS=347F0AEF1D629010193DFBCDB298BE7B5635C57B
- ms-domain-verification=0def4d76-7de4-4dd2-bcd2-e10fb396f9c2
- ms-domain-verification=cbd3cc5a-2e19-4f8c-a6b6-4433efe04853
- adobe-idp-site-verification=a31587b08277ade555cc3eba3ced3fdc5102a7ac6d7827770ac529288204f016
- SPFv=spf1 include:spf.protection.outlook.com include:_spf.linde.com include:spf.praxair.com -all
Full email verification for nuco2.com
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