Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
smart.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 06:20:29 UTC · ↺ Refresh
MX Hostnames
- smart-com.mail.protection.outlook.com
MX Priorities
- smart-com.mail.protection.outlook.com: 0
A / AAAA Records
- 75.2.76.32 ↩ a79b7f26cf35a2624.awsglobalaccelerator.com
- 76.223.76.163 ↩ a79b7f26cf35a2624.awsglobalaccelerator.com
- 2600:9000:a513:8417:9565:e36d:a30e:7054 ↩ a79b7f26cf35a2624.dualstack.awsglobalaccelerator.com
- 2600:9000:a41a:660:be3:30de:565c:9fce ↩ a79b7f26cf35a2624.dualstack.awsglobalaccelerator.com
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:cc09:: ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
- 2a01:111:f403:cc1a::8 ↩ mail-tydpr03cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
vip3.alidns.com hostmaster.hichina.com 2025121107 3600 1200 86400 600
Primary NS (mname)
vip3.alidns.com
Admin Email (rname)
hostmaster@hichina.com
Serial
2025121107
Refresh
3600s
Retry
1200s
Expire
86400s
Minimum TTL
600s
Nameservers (NS)
vip3.alidns.com
vip4.alidns.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:185.84.1.202 -all
📊 DNS lookups: 1/10
✓ 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
9 records- y1I8kj88=91c9e6b0b765b789825dff1082203fb8
- SPFv=spf1 include:spf.protection.outlook.com ip4:185.84.1.202 -all
- google-site-verification=HzduG-936cvS9toKTDDIdrJD5kT5HgAxXCr_0JaE4Ms
- facebook-domain-verification=gxi02tkypvgl4k9wgyj1v59ghle56x
- docusign=75a18609-e661-4674-a457-7fc70cdf9bef
- browserstack-domain-verification=b0ff70f7-8345-4dd2-9e22-44e516e2ea6a
- atlassian-domain-verification=/dpaZTWreqN5RyC7pWVusTCfV8JQbDO99ZIb4VVHM7UM8CCaCUd/9Ui0OzzmTaCk
- apple-domain-verification=38D7NDAI1mvjDBKK
- MS=ms91408618
Full email verification for smart.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits