long-horn.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
long-horn.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-24 04:35:59 UTC · ↺ Refresh

MX Hostnames

  • mdn.corpemail.net
  • long-horn-com.corpsmtp.net
  • long-horn-com.corpsmtp.cn
  • mdn.corp-email.cn

MX Priorities

  • long-horn-com.corpsmtp.net: 5
  • mdn.corp-email.cn: 20
  • mdn.corpemail.net: 15
  • long-horn-com.corpsmtp.cn: 10

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 47.74.38.124 ↩ sal702.corpsmtp.net
  • 47.74.38.91 ↩ sal701.corpsmtp.net
  • 47.74.223.162 ↩ sal605.corpsmtp.net
  • 47.74.155.178 ↩ sal606.corpsmtp.net
  • 206.189.96.192 ↩ inbound-protection-607.corpsmtp.net
  • 206.189.7.78 ↩ inbound-protection-606.corpsmtp.net
  • 46.101.220.252 ↩ inbound-protection-604.corpsmtp.net
  • 192.241.207.6 ↩ inbound-protection-608.corpsmtp.net
  • 138.68.75.175 ↩ inbound-protection-605.corpsmtp.net
  • 192.241.217.149 ↩ inbound-protection-609.corpsmtp.net
  • 47.74.183.245
  • 95.85.28.238
  • 178.62.221.58
  • 188.166.82.68
  • 159.100.25.64
  • 159.100.25.163
  • 159.100.25.212
  • 188.166.26.239
  • 23.91.98.8
  • 47.88.156.124
  • 47.88.170.90
  • 95.85.54.247

SOA Record

Raw SOA vip1.alidns.com hostmaster.hichina.com 2025121011 3600 1200 86400 600
Primary NS (mname)
vip1.alidns.com
Admin Email (rname)
hostmaster@hichina.com
Serial
2025121011
Refresh
3600s
Retry
1200s
Expire
86400s
Minimum TTL
600s

Nameservers (NS)

vip1.alidns.com
vip2.alidns.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.corp-email.com include:spfb.corp-email.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No 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

1 record
  • SPFv=spf1 include:spf.corp-email.com include:spfb.corp-email.com -all
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