mdoffice.com

Valid Email Server
Domain Lookup › mdoffice.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
mdoffice.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-07-01 14:53:59 UTC · ↺ Refresh

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MX Hostnames

  • smtp.google.com

MX Priorities

  • smtp.google.com: 1

A / AAAA Records

  • 54.225.242.223 ↩ ec2-54-225-242-223.compute-1.amazonaws.com

Mail Server IPs

  • 172.253.63.26 ↩ bi-in-f26.1e100.net
  • 172.253.63.27 ↩ bi-in-f27.1e100.net
  • 172.253.115.26 ↩ bg-in-f26.1e100.net
  • 172.253.122.26 ↩ bh-in-f26.1e100.net
  • 172.253.122.27 ↩ bh-in-f27.1e100.net
  • 2607:f8b0:4004:c08::1b ↩ bi-in-f27.1e100.net
  • 2607:f8b0:4004:c06::1a ↩ bg-in-f26.1e100.net
  • 2607:f8b0:4004:c09::1a ↩ bh-in-f26.1e100.net
  • 2607:f8b0:4004:c09::1b ↩ bh-in-f27.1e100.net

SOA Record

Raw SOA ns-769.awsdns-32.net awsdns-hostmaster.amazon.com 2025105081 7200 900 1209600 86400
Primary NS (mname)
ns-769.awsdns-32.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
2025105081
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1389.awsdns-45.org
ns-1968.awsdns-54.co.uk
ns-363.awsdns-45.com
ns-769.awsdns-32.net

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:_spf.salesforce.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

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

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

All TXT Records

9 records
  • google-site-verification=N2PBBxWWlNyAIv1XK9X5pBtNNb3h0IghsKJv3FRR4w8
  • mqsmhcnjp61qdbko1e13o9udcp
  • n9tzlzzjlk8w1dn47yx1fxzfs3mqbn7v
  • SPFv=spf1 include:_spf.google.com include:_spf.salesforce.com ~all
  • MS=ms46254408
  • _acme-challenge=oBZgPVb7yFf32KjvNabihJqRizP4p5WwAGBJrntnQ_Q
  • atlne4k4alh3cmo37o7vdah4gr
  • citrix-verification-code=81a4b637-d50f-4536-80d1-d7daf14862c8
  • google-gws-recovery-domain-verification=52421852
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