Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
hsl.com.sg
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-02 02:12:08 UTC · ↺ Refresh
MX Hostnames
- hsl-com-sg.mail.protection.outlook.com
MX Priorities
- hsl-com-sg.mail.protection.outlook.com: 0
A / AAAA Records
- 101.100.210.150 ↩ web115.webhostsg.com
Mail Server IPs
- 52.101.137.0 ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
- 52.101.124.117 ↩ mail-tydpr03cu00105.inbound.protection.outlook.com
- 52.101.157.80 ↩ mail-os8pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:cc09:: ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
- 2a01:111:f403:cc1a::8 ↩ mail-tydpr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:cc1f::4 ↩ mail-os8pr02cu00104.inbound.protection.outlook.com
SOA Record
Raw SOA
dnssec1.singnet.com.sg hostmaster.singnet.com.sg 2508011146 10800 3600 604800 1800
Primary NS (mname)
dnssec1.singnet.com.sg
Admin Email (rname)
hostmaster@singnet.com.sg
Serial
2508011146
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
dnssec3.singnet.com.sg
dnssec2.singnet.com.sg
dnssec1.singnet.com.sg
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 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
2 records- 3r6e1dsj2hgn77nli7br184kkl
- SPFv=spf1 include:spf.protection.outlook.com -all
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