jb-electrical.co.uk

Valid Email Server
Domain Lookup › jb-electrical.co.uk

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
jb-electrical.co.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-18 01:02:43 UTC · ↺ Refresh

MX Hostnames

  • hermes.hosts.co.uk
  • athena.hosts.co.uk
  • jbelectrical-co-uk0e.mail.protection.outlook.com

MX Priorities

  • athena.hosts.co.uk: 30
  • hermes.hosts.co.uk: 30
  • jbelectrical-co-uk0e.mail.protection.outlook.com: 1

A / AAAA Records

  • 172.67.133.46
  • 104.21.5.77
  • 2606:4700:3035::6815:54d
  • 2606:4700:3034::ac43:852e

Mail Server IPs

  • 85.233.160.20 ↩ athena.hosts.co.uk
  • 85.233.160.21 ↩ hermes.hosts.co.uk
  • 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
  • 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
  • 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
  • 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA corey.ns.cloudflare.com dns.cloudflare.com 2399080416 10000 2400 604800 1800
Primary NS (mname)
corey.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399080416
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

corey.ns.cloudflare.com
princess.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ 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

2 records
  • google-site-verification=2YN-vgA2S09ywqbrcFOtGY7Br9CmzeADXP9mfuuuGK8
  • SPFv=spf1 include:spf.protection.outlook.com -all
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