Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
acrm.com.sg
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 14:44:45 UTC · ↺ Refresh
MX Hostnames
- acrm-com-sg.mail.protection.outlook.com
MX Priorities
- acrm-com-sg.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.14.232 (no PTR)
- 172.67.160.192 (no PTR)
- 2606:4700:3037::ac43:a0c0 (no PTR)
- 2606:4700:3033::6815:ee8 (no PTR)
Mail Server IPs
- 52.101.124.117 ↩ mail-tydpr03cu00105.inbound.protection.outlook.com
- 52.101.137.0 ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
- 52.101.157.80 ↩ mail-os8pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:cc1f::4 ↩ mail-os8pr02cu00104.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
SOA Record
Raw SOA
mario.ns.cloudflare.com dns.cloudflare.com 2398971042 10000 2400 604800 1800
Primary NS (mname)
mario.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398971042
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
pam.ns.cloudflare.com
mario.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 +a +mx +a:ns1.c61448.sgvps.net include:_spf.mailspamprotection.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._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- google-site-verification=3UTjQfQMvvatkP5zhB5uSCiM0SF2qw7ePl_Y6gE3Dp8
- google-site-verification=lzymFws5nVRWsOr1v7lLUNq-n2lSxeTXq_4AXznOrhc
- SPFv=spf1 +a +mx +a:ns1.c61448.sgvps.net include:_spf.mailspamprotection.com ~all
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