Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
longfor.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-14 04:27:02 UTC · ↺ Refresh
MX Hostnames
- mxcom.263xmail.com
- mxwcom.263xmail.com
MX Priorities
- mxwcom.263xmail.com: 5
- mxcom.263xmail.com: 10
A / AAAA Records
- 203.107.60.192 (no PTR)
Mail Server IPs
- 164.92.126.242 (no PTR)
- 143.110.227.31 (no PTR)
- 38.83.106.84 ↩ us-mx1.263.net
- 38.83.106.85 ↩ us-mx2.263.net
SOA Record
Raw SOA
vip3.alidns.com hostmaster.hichina.com 2026010716 3600 1200 86400 600
Primary NS (mname)
vip3.alidns.com
Admin Email (rname)
hostmaster@hichina.com
Serial
2026010716
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.263xmail.com include:spf.protection.partner.outlook.cn ip4:103.17.43.72 ip4:103.227.79.72 ip4:211.155.90.200 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
8 records- MS=0AA75A173BB28F60631D9E029C9B65CF0FC5AD12
- 764519366-32078596
- zoho-verification=zb00117104.zmverify.zoho.com.cn
- SPFv=spf1 include:spf.263xmail.com include:spf.protection.partner.outlook.cn ip4:103.17.43.72 ip4:103.227.79.72 ip4:211.155.90.200 -all
- apple-domain-verification=RPVfjXKQM1CwqWmh
- MS=ms50122889
- MS=ms18579127
- MS=19740068FB7FEA64139103830B880F1DF816A81E
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