Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nucleussoftware.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 06:09:55 UTC · ↺ Refresh
MX Hostnames
- nucleussoftware-com.mail.protection.outlook.com
MX Priorities
- nucleussoftware-com.mail.protection.outlook.com: 10
A / AAAA Records
- 162.214.101.189 ↩ 7113952.autotecpro.com
Mail Server IPs
- 52.101.144.3 ↩ mail-ma0pr01cu01103.inbound.protection.outlook.com
- 52.101.145.0 ↩ mail-pnzpr01cu00200.inbound.protection.outlook.com
- 52.101.145.2 ↩ mail-pnypr01cu00202.inbound.protection.outlook.com
- 52.101.144.0 ↩ mail-ma0pr01cu01000.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-261.awsdns-32.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-261.awsdns-32.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-762.awsdns-31.net
ns-1197.awsdns-21.org
ns-1665.awsdns-16.co.uk
ns-261.awsdns-32.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:transmail.net.in include:22618738.spf06.hubspotemail.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
k1._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
8 records- google-site-verification=PaONOlooj7LgS9Rl3dgcQ24bHd1k1d4jmcE7IxUzegA
- SPFv=spf1 include:spf.protection.outlook.com include:transmail.net.in include:22618738.spf06.hubspotemail.net -all
- webexdomainverification.3REU8=52cdaa72-dac1-4f4d-8575-bc455fa13deb
- DfjPtRybOqcyJ8K1qMVLVkwfPNC3Jv72/m/BDVXnySKZ9m+S6yu6rnbxJStY8Xg903E+LdJdTdoItN2WsYd6FQ==
- MS=ms32178545
- _ivo3bmukyi5am3bdwa0mdbei5yq15uy
- apple-domain-verification=uReRceFQTa9zlT3q
- cisco-ci-domain-verification=77401f87e9a767b3eecd9e508cf4424b1fd5a76a5675e39c962357347bb773d9
Full email verification for nucleussoftware.com
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