Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
smrt.com.sg
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 05:23:11 UTC · ↺ Refresh
MX Hostnames
- smrt-com-sg.mail.protection.outlook.com
MX Priorities
- smrt-com-sg.mail.protection.outlook.com: 0
A / AAAA Records
- 23.44.203.80 ↩ a23-44-203-80.deploy.static.akamaitechnologies.com
- 23.44.203.68 ↩ a23-44-203-68.deploy.static.akamaitechnologies.com
Mail Server IPs
- 52.101.157.80 ↩ mail-os8pr02cu00100.inbound.protection.outlook.com
- 52.101.124.117 ↩ mail-tydpr03cu00105.inbound.protection.outlook.com
- 52.101.137.0 ↩ 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
- 2a01:111:f403:cc09:: ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
SOA Record
Raw SOA
hqmr1 admin.smrtcorp.com.sg 2005033129 300 300 604800 300
Primary NS (mname)
hqmr1
Admin Email (rname)
admin@smrtcorp.com.sg
Serial
2005033129
Refresh
300s
Retry
300s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
a16-64.akam.net
a7-66.akam.net
a18-65.akam.net
a1-250.akam.net
a10-67.akam.net
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:111.221.20.128/25 ip4:203.127.229.238 ip4:18.235.76.96 ip4:203.127.229.226 include:spf.protection.outlook.com include:amazonses.com include:spf-au.wfs.cloud include:_spf-dc10.sapsf.com include:sendgrid.net -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; 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: 392 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
10 records- successfactors-site-verification=MTllOTU4ZmM0NjAxY2Q4NTVmZjMyMDEyOGQyOTU5OTE3MDYzZjRiZDdiNThjMTA1YzA1ZWI1YTVjOGJlY2YxNg==
- ms-domain-verification=0b834db2-3cb5-48ff-912c-37b33b2c11cf
- _e9p0mxad9a7pk5pg4ytkc34102dp3ao
- SPFv=spf1 mx ip4:111.221.20.128/25 ip4:203.127.229.238 ip4:18.235.76.96 ip4:203.127.229.226 include:spf.protection.outlook.com include:amazonses.com include:spf-au.wfs.cloud include:_spf-dc10.sapsf.com include:sendgrid.net -all
- nintex.6216fb0ea0f0a7006805720b
- RhdlCxAyloFCVWb9uy953nAN8oRWzOw/OSLHj9GXQQVriNL+WOQLWpvr24Qv/adqTknYp85Ecn3vTQl/fMrKng==
- nintex.6217022427008600699ccf4c
- successfactors-site-verification=MTlhZDE5OGQ2Mzk1OWNlMDIwMjliYTQwNDdmY2YyZWY1YzhlNjlhMjM2ZmIwYjAwMDBmYWU2NWY4MWU0Y2M1Mg==
- google-site-verification=MpJlGgeZ8-sV2piMxhHl-Gv8g0gChfTjl7hvsV6uhjc
- EBB1-02EA-01C3-888E-EA64-A8D9-8657-E026
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