gteng.org

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
gteng.org
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-14 03:58:10 UTC · ↺ Refresh

MX Hostnames

  • mx.ym.163.com

MX Priorities

  • mx.ym.163.com: 10

A / AAAA Records

  • 185.199.111.153 ↩ cdn-185-199-111-153.github.com
  • 185.199.109.153 ↩ cdn-185-199-109-153.github.com
  • 185.199.110.153 ↩ cdn-185-199-110-153.github.com
  • 185.199.108.153 ↩ cdn-185-199-108-153.github.com

Mail Server IPs

  • 111.124.200.35 (no PTR)

SOA Record

Raw SOA ns1.alidns.com hostmaster.hichina.com 2026011209 3600 1200 86400 600
Primary NS (mname)
ns1.alidns.com
Admin Email (rname)
hostmaster@hichina.com
Serial
2026011209
Refresh
3600s
Retry
1200s
Expire
86400s
Minimum TTL
600s

Nameservers (NS)

ns1.alidns.com
ns2.alidns.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.163.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate 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

2 records
  • openai-domain-verification=dv-XqoPjic52G2DElV4tWBNzM1k
  • SPFv=spf1 include:spf.163.com ~all
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