mcdermottlight.com

Valid Email Server
Domain Lookup › mcdermottlight.com

Domain Overview

DNS: ✓ 1d ago Checker: ✓ 1d ago
mcdermottlight.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-07-18 03:50:33 UTC · ↺ Refresh

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MX Hostnames

  • aspmx2.googlemail.com
  • aspmx3.googlemail.com
  • alt2.aspmx.l.google.com
  • alt1.aspmx.l.google.com
  • aspmx.l.google.com

MX Priorities

  • aspmx2.googlemail.com: 10
  • aspmx3.googlemail.com: 10
  • alt1.aspmx.l.google.com: 5
  • alt2.aspmx.l.google.com: 5
  • aspmx.l.google.com: 1

A / AAAA Records

  • 67.217.185.180 (no PTR)

Mail Server IPs

  • 108.177.123.27 ↩ lcscld-in-f27.1e100.net
  • 2800:3f0:4003:c0f::1a (no PTR)
  • 172.253.116.26 ↩ dj-in-f26.1e100.net
  • 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
  • 2800:3f0:4003:c0f::1b (no PTR)
  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 172.253.122.26 ↩ bh-in-f26.1e100.net
  • 2607:f8b0:4004:c23::1b ↩ yuiadrs-in-f27.1e100.net

SOA Record

Raw SOA r8.2tcp.net hostmaster.2tcp.net 32 900 600 86400 3600
Primary NS (mname)
r8.2tcp.net
Admin Email (rname)
hostmaster@2tcp.net
Serial
32
Refresh
900s
Retry
600s
Expire
86400s
Minimum TTL
3600s

Nameservers (NS)

r8.2tcp.net
8c.2tcp.net

SPF Record

✓ Soft Fail (~all)
v=spf1 mx a ip4:67.217.185.1/24 ip4:71.127.157.56/29 a:smtp.2tcp.net a:smtp4.2tcp.net a:smtp6.2tcp.net a:smtp7.2tcp.net a:smtp8.2tcp.net a:smtp9.2tcp.net ~all
📊 DNS lookups: 8/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

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

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
  • google-site-verification=DT4_dXZ_01Q3zgXA2mO-dSF2Wd9_sdy3shEGhpwXukI
  • SPFv=spf1 mx a ip4:67.217.185.1/24 ip4:71.127.157.56/29 a:smtp.2tcp.net a:smtp4.2tcp.net a:smtp6.2tcp.net a:smtp7.2tcp.net a:smtp8.2tcp.net a:smtp9.2tcp.net ~all
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