gudeng.com

Valid Email Server
Domain Lookup › gudeng.com

Domain Overview

DNS: ✓ 7h ago Checker: ✓ 7h ago
gudeng.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-07-02 11:32:19 UTC · ↺ Refresh

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MX Hostnames

  • smtp.google.com
  • spam.gudeng.com

MX Priorities

  • smtp.google.com: 90
  • spam.gudeng.com: 10

A / AAAA Records

  • 59.124.59.67 ↩ spam.gudeng.com.tw

Mail Server IPs

  • 172.253.63.26 ↩ bi-in-f26.1e100.net
  • 172.253.63.27 ↩ bi-in-f27.1e100.net
  • 142.250.31.26 ↩ bj-in-f26.1e100.net
  • 142.250.31.27 ↩ bj-in-f27.1e100.net
  • 142.251.16.26 ↩ bl-in-f26.1e100.net
  • 2607:f8b0:4004:c0b::1a ↩ bj-in-f26.1e100.net
  • 2607:f8b0:4004:c0b::1b ↩ bj-in-f27.1e100.net
  • 2607:f8b0:4004:c08::1b ↩ bi-in-f27.1e100.net
  • 2607:f8b0:4004:c08::1a ↩ bi-in-f26.1e100.net
  • 59.124.59.67 ↩ spam.gudeng.com.tw

SOA Record

Raw SOA dns.bizcn.com abuse.bizcn.com 157 28800 14400 14400 600
Primary NS (mname)
dns.bizcn.com
Admin Email (rname)
abuse@bizcn.com
Serial
157
Refresh
28800s
Retry
14400s
Expire
14400s
Minimum TTL
600s

Nameservers (NS)

ns8.cnmsn.net
ns7.cnmsn.net

SPF Record

✓ Strict (-all)
v=spf1 a mx ip4:59.124.59.64/27 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 1 found
dkim._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: dkim

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

3 records
  • google-site-verification=-NenK0RsjqLsrGgOMLDSsUzbp_Xh2f5JczPIXzjOusc
  • google-gws-recovery-domain-verification=71213365
  • SPFv=spf1 a mx ip4:59.124.59.64/27 -all
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