spu.com

Valid Email Server
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
spu.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-14 02:04:42 UTC · ↺ Refresh

MX Hostnames

  • mail.mailerhost.net

MX Priorities

  • mail.mailerhost.net: 1

A / AAAA Records

  • 66.175.209.179 ↩ 66-175-209-179.ip.linodeusercontent.com
  • 96.126.111.165 ↩ 96-126-111-165.ip.linodeusercontent.com
  • 45.33.83.100
  • 45.79.167.180
  • 2600:3c03::f03c:95ff:feed:cf2a
  • 2600:3c03::f03c:95ff:fe00:29ca
  • 2600:3c03::f03c:95ff:fe91:5d52 (no PTR)
  • 2600:3c03::f03c:95ff:feed:4d4f (no PTR)

Mail Server IPs

  • 161.35.84.83 ↩ mail.mailerhost.net
  • 5.161.133.13 ↩ mail.mailerhost.net

SOA Record

Raw SOA damao.ns.giantpanda.com admin.giantpanda.com 2013020401 10800 3600 604800 3600
Primary NS (mname)
damao.ns.giantpanda.com
Admin Email (rname)
admin@giantpanda.com
Serial
2013020401
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

damao.ns.giantpanda.com
yangguang.ns.giantpanda.com

SPF Record

✓ Strict (-all)
v=spf1 ip6:fd43:c0d1:c090::/48 -all
📊 DNS lookups: 0/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
⚠ Public key (p=) missing in DKIM record for selector google.

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

All TXT Records

1 record
  • SPFv=spf1 ip6:fd43:c0d1:c090::/48 -all
Full email verification for spu.com

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits