dual-link.com

Valid Email Server
Domain Lookup › dual-link.com

Domain Overview

DNS: ✓ 2h ago Checker: ✓ 2h ago
dual-link.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-23 09:04:37 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

  • alt1.aspmx.l.google.com: 5
  • alt2.aspmx.l.google.com: 5
  • aspmx.l.google.com: 1
  • alt3.aspmx.l.google.com: 19

A / AAAA Records

  • 13.226.94.83 ↩ server-13-226-94-83.jfk52.r.cloudfront.net
  • 13.226.94.48 ↩ server-13-226-94-48.jfk52.r.cloudfront.net
  • 13.226.94.49
  • 13.226.94.73
  • 2600:9000:21f9:ea00:d:ea4b:da80:93a1
  • 2600:9000:21f9:3400:d:ea4b:da80:93a1
  • 2600:9000:21f9:4e00:d:ea4b:da80:93a1
  • 2600:9000:21f9:8800:d:ea4b:da80:93a1
  • 2600:9000:21f9:c00:d:ea4b:da80:93a1
  • 2600:9000:21f9:e000:d:ea4b:da80:93a1
  • 2600:9000:21f9:3600:d:ea4b:da80:93a1
  • 2600:9000:21f9:aa00:d:ea4b:da80:93a1

Mail Server IPs

  • 192.178.234.26 ↩ ncsclj-in-f26.1e100.net
  • 2800:3f0:4003:c14::1b (no PTR)
  • 172.253.116.26 ↩ dj-in-f26.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
  • 142.251.16.26 ↩ bl-in-f26.1e100.net
  • 2607:f8b0:4004:c1f::1b ↩ pd-in-f27.1e100.net
  • 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
  • 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net

SOA Record

Raw SOA duke.ns.cloudflare.com dns.cloudflare.com 2415554776 10000 2400 604800 1800
Primary NS (mname)
duke.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2415554776
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

grace.ns.cloudflare.com
duke.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:_spf.mailersend.net a mx ip4:95.128.42.0/20 include:spf.aquaray.com include:eu.transmail.net include:_spf.google.com include:145617618.spf04.hubspotemail.net -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement

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

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

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

All TXT Records

6 records
  • google-site-verification=eBg9EOqbIc7Gy9-mg5oVujEQlujqY4tii8JR54tgRtI
  • mandrill_verify.lhQziWCmZCaaCOf4k-Y7eA
  • postman-domain-verification=36aeb8615d7a62a8a2592355e8ffccc5b922870a6d0ee929ceac0cbd4044568cc5d615748fd4a4ca3a6c0927d4156d1db26999746282012b8d67bc9bdbd83727
  • SPFv=spf1 include:_spf.mailersend.net a mx ip4:95.128.42.0/20 include:spf.aquaray.com include:eu.transmail.net include:_spf.google.com include:145617618.spf04.hubspotemail.net -all
  • anthropic-domain-verification-mqcqxt=JytKs7mX898u1sVpB5NUGUutT
  • apple-domain-verification=j7VSZNKLzZO1WKEN
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