Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
aircongroup.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 12:24:39 UTC · ↺ Refresh
MX Hostnames
- aircongroup-com.mail.protection.outlook.com
- mx1.ycserv.com
- mx3.ycserv.com
- mx2.ycserv.com
MX Priorities
- aircongroup-com.mail.protection.outlook.com: 50
- mx2.ycserv.com: 20
- mx1.ycserv.com: 10
- mx3.ycserv.com: 30
A / AAAA Records
- 82.197.85.39
Mail Server IPs
- 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
- 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
- 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
- 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
- 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
- 157.231.93.82 ↩ ltsrt3.lucidgrp.co.uk
- 89.145.196.178 ↩ ltsrt2.lucidgrp.co.uk
SOA Record
Raw SOA
ns0.ukfast.net paul.yarmcomputers.co.uk 2025081101 7200 3600 604800 86400
Primary NS (mname)
ns0.ukfast.net
Admin Email (rname)
paul@yarmcomputers.co.uk
Serial
2025081101
Refresh
7200s
Retry
3600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns0.ukfast.net
ns1.ukfast.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:157.231.93.82/32 include:spf.protection.outlook.com a:delivery.mailspamprotection.com include:c65824.sgvps.net include:_spf.elasticemail.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo 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
1 record- SPFv=spf1 ip4:157.231.93.82/32 include:spf.protection.outlook.com a:delivery.mailspamprotection.com include:c65824.sgvps.net include:_spf.elasticemail.com -all
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