duck.com

Disposable Domain
Domain Lookup › duck.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
duck.com
Disposable
✓ Yes
Unknown
⚠ Yes
Yes
⚠ Yes
⚠ Yes
No

Checked via [email protected] · 2026-03-22 19:41:19 UTC · ↺ Refresh

MX Hostnames

  • smtp-inbound1.duck.com

MX Priorities

  • smtp-inbound1.duck.com: 5

A / AAAA Records

  • 40.89.244.232 (no PTR)

Mail Server IPs

  • 52.146.152.212 ↩ smtp-inbound1.duck.com

SOA Record

Raw SOA dns1.p03.nsone.net hostmaster.nsone.net 1654974460 7200 7200 1209600 14400
Primary NS (mname)
dns1.p03.nsone.net
Admin Email (rname)
hostmaster@nsone.net
Serial
1654974460
Refresh
7200s
Retry
7200s
Expire
1209600s
Minimum TTL
14400s

Nameservers (NS)

dns3.p03.nsone.net
dns4.p03.nsone.net
ns01.quack-dns.com
ns02.quack-dns.com
ns03.quack-dns.com
ns04.quack-dns.com
dns1.p03.nsone.net
dns2.p03.nsone.net

SPF Record

✓ Strict (-all)
v=spf1 ip4:20.13.235.192/26 ip4:20.67.221.0/24 ip4:20.67.222.0/24 ip4:20.67.223.0/24 ip4:50.85.11.0/24 ip4:50.85.12.0/24 ip4:50.85.10.0/24 -all
📊 DNS lookups: 0/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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
  • SPFv=spf1 ip4:20.13.235.192/26 ip4:20.67.221.0/24 ip4:20.67.222.0/24 ip4:20.67.223.0/24 ip4:50.85.11.0/24 ip4:50.85.12.0/24 ip4:50.85.10.0/24 -all
  • google-site-verification=xWLxaaNt2iGObwJ_jeX1E3Wn-xro--W75DBKWs5uufc
Full email verification for duck.com

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

SPF / DKIM / DMARC Get 1,000 Free Credits