Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rcm.ac.uk
Yes
✓ Yes
Symantec
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-01 12:53:18 UTC · ↺ Refresh
MX Hostnames
- cluster1a.eu.messagelabs.com
- cluster1.eu.messagelabs.com
MX Priorities
- cluster1.eu.messagelabs.com: 10
- cluster1a.eu.messagelabs.com: 20
A / AAAA Records
- 99.83.248.220 ↩ a98ffd42d178161d4.awsglobalaccelerator.com
Mail Server IPs
- 195.245.231.67 ↩ mail872.messagelabs.com
- 195.245.231.74 ↩ mail878.messagelabs.com
- 195.245.230.197 ↩ mail855.messagelabs.com
- 195.245.230.192 ↩ mail850.messagelabs.com
- 85.158.142.213 ↩ mail837.messagelabs.com
- 85.158.142.217 ↩ mail830.messagelabs.com
- 34.91.159.228 ↩ 228.159.91.34.bc.googleusercontent.com
SOA Record
Raw SOA
ns11.ja.net hostmaster.ns11.ja.net 2015042056 43200 3600 1814400 3600
Primary NS (mname)
ns11.ja.net
Admin Email (rname)
hostmaster@ns11.ja.net
Serial
2015042056
Refresh
43200s
Retry
3600s
Expire
1814400s
Minimum TTL
3600s
Nameservers (NS)
ns11.ja.net
ns12.ja.net
ns10.ja.net
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:54.229.2.165 ip4:52.30.130.201 ip4:80.6.91.150 ip4:34.198.56.55 ip4:194.81.216.120 ip4:34.110.180.34 ip4:18.245.143.37 ip4:18.245.143.64 ip4:18.245.143.90 ip4:18.245.143.75 ip4:104.18.37.249 ip4:172.64.150.7 ip4:3.8.217.160 ip6:2606:4700:4400::ac40:9607 ip6:2606:4700:4400::6812:25f9 ip6:2a05:d01c:497:732:b5f2:33ae:1c96:6e39 include:spf.protection.outlook.com include:spf.messagelabs.com include:mailrelay.t1cloud.com include:spf.email.cybsafe.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; fo=1
~ 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: 216 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
7 records- MS=ms77674757
- SPFv=spf1 ip4:54.229.2.165 ip4:52.30.130.201 ip4:80.6.91.150 ip4:34.198.56.55 ip4:194.81.216.120 ip4:34.110.180.34 ip4:18.245.143.37 ip4:18.245.143.64 ip4:18.245.143.90 ip4:18.245.143.75 ip4:104.18.37.249 ip4:172.64.150.7 ip4:3.8.217.160 ip6:2606:4700:4400::ac40:9607 ip6:2606:4700:4400::6812:25f9 ip6:2a05:d01c:497:732:b5f2:33ae:1c96:6e39 include:spf.protection.outlook.com include:spf.messagelabs.com include:mailrelay.t1cloud.com include:spf.email.cybsafe.com ~all
- Y17jLeYBWKjP15O7LbklhQcDGiZSM3WMS9fs4uVZ84vk+VANmdeAB+I7scAl0SSuTxqvPfOlikG71qH0NJchDg==
- 540CB464-E8E7-41F9-A0CB-3D0C35E98EF4
- QuoVadis=c21f4074-868c-40b3-bb3f-3146410720c4
- QuoVadis=d078a767-479b-44a0-b2a2-9e8414024df2
- apple-domain-verification=KGKByDTRrcm91sic
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