Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
spectrum.com.sg
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-22 21:38:23 UTC · ↺ Refresh
MX Hostnames
- spectrum-com-sg.mail.protection.outlook.com
- spectrum-com-sg.mail.eo.outlook.com
MX Priorities
- spectrum-com-sg.mail.protection.outlook.com: 0
- spectrum-com-sg.mail.eo.outlook.com: 1
A / AAAA Records
- 103.9.103.5 ↩ web145.vodien.com
Mail Server IPs
- 52.101.157.80 ↩ mail-os8pr02cu00100.inbound.protection.outlook.com
- 52.101.137.0 ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
- 52.101.124.117 ↩ mail-tydpr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:cc1a::8 ↩ mail-tydpr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:cc09:: ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
- 2a01:111:f403:cc1f::4 ↩ mail-os8pr02cu00104.inbound.protection.outlook.com
SOA Record
Raw SOA
ns10.zonecybersite.com tech.cybersite.com.sg 2026012600 3600 60 777600 3600
Primary NS (mname)
ns10.zonecybersite.com
Admin Email (rname)
tech@cybersite.com.sg
Serial
2026012600
Refresh
3600s
Retry
60s
Expire
777600s
Minimum TTL
3600s
Nameservers (NS)
ns11.zonecybersite.com
ns10.zonecybersite.com
ns77.cybersitezone.com
ns76.cybersitezone.com
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.mlsend.com include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; 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: 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- SPFv=spf1 include:_spf.mlsend.com include:spf.protection.outlook.com -all
- mailerlite-domain-verification=fa96d61ab2c437b25a62d63942f051dfad1627b7
- google-site-verification=2WABSFteKwM4MwUwngXBZD2ab0U7TLpk92d8G6KPClE
Full email verification for spectrum.com.sg
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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