Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
starbuildings.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 20:17:02 UTC · ↺ Refresh
MX Hostnames
- starbuildings-com.mail.protection.outlook.com
MX Priorities
- starbuildings-com.mail.protection.outlook.com: 0
A / AAAA Records
- 141.193.213.20 (no PTR)
- 141.193.213.21 (no PTR)
Mail Server IPs
- 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
- 52.101.9.17 (no PTR)
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
- 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
ns39.worldnic.com namehost.worldnic.com 125090821 10800 3600 604800 3600
Primary NS (mname)
ns39.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125090821
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns40.worldnic.com
ns39.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:205.167.42.14/32 ip4:64.128.23.133/32 ip4:205.167.43.192/32 ip4:64.128.23.192/32 include:ncigroup.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- 769ejlqrd99rm1cvkm888fnhlk
- rtrmd5i899lh1omngau4gc0jep
- MS=ms99084886
- R/jvxZ+MVS7RPfYe8ZaNw+sQ5xmqyH6NbbcZAoWm32hEtYbTPaj/xduoDRMMASkTV2VZessfCfREPXaRYKYsMg==
- SPFv=spf1 ip4:205.167.42.14/32 ip4:64.128.23.133/32 ip4:205.167.43.192/32 ip4:64.128.23.192/32 include:ncigroup.com include:spf.protection.outlook.com ~all
- MS=ms83296936
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