o2.co.uk

No Valid Email Server
Domain Lookup › o2.co.uk

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
o2.co.uk
No
None
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-23 05:20:33 UTC · ↺ Refresh

MX Hostnames

No MX records found.

MX Priorities

No priority data.

A / AAAA Records

  • 20.162.150.90 (no PTR)

Mail Server IPs

No IPs resolved.

SOA Record

Raw SOA n1.02.net hostmaster.02.net 2026021205 10800 3600 604800 3600
Primary NS (mname)
n1.02.net
Admin Email (rname)
hostmaster@02.net
Serial
2026021205
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

n2.02.net
n1.02.net
n4.02.net
n3.02.net

SPF Record

✓ Strict (-all)
v=spf1 include:_spf1.o2.co.uk include:_spf2.o2.co.uk include:_spf3.o2.co.uk -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict 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

9 records
  • google-site-verification=QZ3HZExIcHhQpmEjDwsXtSMX0qItafj-sSEFZfT_Ar8
  • google-site-verification=QvyDi6kfYWaUmulYfDTYb1lDlIc66qOklmVQ7JDJbLY
  • google-site-verification=sCrOGIN0yr_6JiSVWiO5Se7xofcC8VcyBorTVYf9DyQ
  • google-site-verification=uLRSlpqZ3ekN_7lEU4u3BmUdIKt9-Chww5Jhrxr7GCA
  • gxzwn0nkqjvzy7b8nc4lxmr06lfp0s8n
  • facebook-domain-verification=sqfe6398bvqz75607xlm1km3mikai2
  • SPFv=spf1 include:_spf1.o2.co.uk include:_spf2.o2.co.uk include:_spf3.o2.co.uk -all
  • 893c9feb3817462f9cc6d58943c29a8b
  • google-site-verification=P5gKk7-yjJR4XiGv5u1U0kDDf9uPP9IKFiBUM5B3dxE
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