Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
centric-office.co.uk
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 06:12:06 UTC · ↺ Refresh
MX Hostnames
- rfm-group-com.p30.mxthunder.net
- rfm-group-com.p10.mxthunder.com
- rfm-group-com.p40.mxthunder.net
- rfm-group-com.p20.mxthunder.net
MX Priorities
- rfm-group-com.p30.mxthunder.net: 30
- rfm-group-com.p10.mxthunder.com: 10
- rfm-group-com.p40.mxthunder.net: 40
- rfm-group-com.p20.mxthunder.net: 20
A / AAAA Records
- 141.193.213.10 (no PTR)
- 141.193.213.11 (no PTR)
Mail Server IPs
- 216.172.106.27 ↩ bolt111a.mxthunder.net
- 209.41.68.145 ↩ bolt111b.mxthunder.net
SOA Record
Raw SOA
ns1.advancery.net hostmaster.advancery.net 1752680622 3600 600 604800 86400
Primary NS (mname)
ns1.advancery.net
Admin Email (rname)
hostmaster@advancery.net
Serial
1752680622
Refresh
3600s
Retry
600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns2.advancery.net
ns3.advancery.net
ns4.advancery.net
ns1.advancery.net
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:195.200.146.253 include:spf.protection.outlook.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- mandrill_verify.fj8JM01chG8qeJThw1ZRkg
- SPFv=spf1 ip4:195.200.146.253 include:spf.protection.outlook.com ~all
- MS=ms58378018
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