Domain Overview
DNS: ✓ 22d ago
Checker: ✓ 22d ago
arbtech.co.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-07-07 11:49:10 UTC · ↺ Refresh
MX Hostnames
- arbtech-co-uk.mail.protection.outlook.com
MX Priorities
- arbtech-co-uk.mail.protection.outlook.com: 0
A / AAAA Records
- 172.67.221.188 (no PTR)
- 104.21.86.160 (no PTR)
- 2606:4700:3033::6815:56a0
- 2606:4700:3031::ac43:ddbc
Mail Server IPs
- 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
- 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
- 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
- 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
- 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
SOA Record
Raw SOA
curt.ns.cloudflare.com dns.cloudflare.com 2406406495 10000 2400 604800 1800
Primary NS (mname)
curt.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2406406495
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
mary.ns.cloudflare.com
curt.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.firebasemail.com include:spf.protection.outlook.com include:mailgun.org ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- MS=ms25737949
- brevo-code:7ddfeca11a362fc06b27f9302ae8f458
- firebase=arbtech-platform-prod
- firebase=arbtech-platform-staging
- linkedin-site-verification=980f45ba-04ef-4a1b-b624-a30ccdbceeae
- SPFv=spf1 include:_spf.firebasemail.com include:spf.protection.outlook.com include:mailgun.org ~all
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