theduncanduo.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
theduncanduo.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-30 20:00:55 UTC · ↺ Refresh

MX Hostnames

  • aspmx.l.google.com
  • alt1.aspmx.l.google.com
  • alt4.aspmx.l.google.com
  • alt2.aspmx.l.google.com
  • alt3.aspmx.l.google.com

MX Priorities

  • alt3.aspmx.l.google.com: 10
  • alt4.aspmx.l.google.com: 10
  • alt1.aspmx.l.google.com: 5
  • alt2.aspmx.l.google.com: 5
  • aspmx.l.google.com: 1

A / AAAA Records

  • 198.185.159.144
  • 198.49.23.145
  • 198.49.23.144
  • 198.185.159.145

Mail Server IPs

  • 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
  • 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
  • 173.194.76.26 ↩ ws-in-f26.1e100.net
  • 2a00:1450:400c:c00::1a ↩ ws-in-f26.1e100.net
  • 108.177.123.26 ↩ lcscld-in-f26.1e100.net
  • 2800:3f0:4003:c0f::1b (no PTR)
  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
  • 142.251.167.26 ↩ ww-in-f26.1e100.net
  • 2607:f8b0:4004:c08::1b ↩ bi-in-f27.1e100.net

SOA Record

Raw SOA ns-1198.awsdns-21.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1198.awsdns-21.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-974.awsdns-57.net
ns-1198.awsdns-21.org
ns-130.awsdns-16.com
ns-1747.awsdns-26.co.uk

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

6 records
  • apple-domain-verification=9KYWdo2pcJhUKEuXxLBhe1RxYMd_E8ENaa4exT_X_MY
  • e2ma-verification=jxbgb
  • hK9hIc6pfsa65zkQahtdMkVPqhTH59173KBZgbxLs2o
  • L6B6dT3YWN717hRWiqfpXaaCoVDNweYBMX8q87bITA0
  • QHOlEp8NC4j4rh_qVA8ndSMjBsimmZmZzDtM_zH1tyA
  • aGG-f5qICEWVmEOGhKKDf-zMkB2tDBkbGNEB9yqX90Y
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