Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
improprecision.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 01:43:50 UTC · ↺ Refresh
MX Hostnames
- improprecision-com.mail.protection.outlook.com
MX Priorities
- improprecision-com.mail.protection.outlook.com: 1
A / AAAA Records
- 18.163.252.191 ↩ ec2-18-163-252-191.ap-east-1.compute.amazonaws.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: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
dns9.hichina.com hostmaster.hichina.com 2026011209 3600 1200 86400 600
Primary NS (mname)
dns9.hichina.com
Admin Email (rname)
hostmaster@hichina.com
Serial
2026011209
Refresh
3600s
Retry
1200s
Expire
86400s
Minimum TTL
600s
Nameservers (NS)
dns9.hichina.com
dns10.hichina.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
5 records- google-site-verification=TCHtrXcdkPa9RQ9lHSDipRUNKwIb_F1XATvl7pXqjVU
- SPFv=spf1 include:spf.protection.outlook.com -all
- FT3AOID8VEFQ9AUEE7QVGHL96B
- MS=ms41936993
- MS=ms29501626
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