firstinservice.co.uk

Valid Email Server
Domain Lookup › firstinservice.co.uk

Domain Overview

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

Checked via [email protected] · 2026-03-23 09:26:35 UTC · ↺ Refresh

MX Hostnames

  • firstinservice-co-uk.mail.protection.outlook.com

MX Priorities

  • firstinservice-co-uk.mail.protection.outlook.com: 10

A / AAAA Records

  • 217.196.1.142 (no PTR)

Mail Server IPs

  • 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
  • 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
  • 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
  • 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com

SOA Record

Raw SOA ns1059.ui-dns.biz hostmaster.1and1.com 2017050218 28800 7200 604800 300
Primary NS (mname)
ns1059.ui-dns.biz
Admin Email (rname)
hostmaster@1and1.com
Serial
2017050218
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1059.ui-dns.biz
ns1026.ui-dns.org
ns1020.ui-dns.com
ns1023.ui-dns.de

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

3 records
  • google-site-verification=8o3b_V3NzERE-1RpNOQA-Eb9HOmtoPjjUMZtym9dq90
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • MS=ms59204024
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