Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
kaplan.co.uk
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-04 13:13:35 UTC · ↺ Refresh
MX Hostnames
- alt3.aspmx.l.google.com
- aspmx.l.google.com
- alt2.aspmx.l.google.com
- alt4.aspmx.l.google.com
- alt1.aspmx.l.google.com
MX Priorities
- aspmx.l.google.com: 1
- alt3.aspmx.l.google.com: 10
- alt4.aspmx.l.google.com: 10
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
A / AAAA Records
- 107.154.79.52
- 45.60.100.52
Mail Server IPs
- 142.251.16.27 ↩ bl-in-f27.1e100.net
- 2607:f8b0:4004:c23::1b ↩ yuiadrs-in-f27.1e100.net
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
- 173.194.76.26 ↩ ws-in-f26.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-f26.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
SOA Record
Raw SOA
ns-1613.awsdns-09.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1613.awsdns-09.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-413.awsdns-51.com
ns-708.awsdns-24.net
ns-1047.awsdns-02.org
ns-1613.awsdns-09.co.uk
SPF Record
✓ Strict (-all)
v=spf1 include:_u.kaplan.co.uk._spf.smart.ondmarc.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=1; sp=reject; fo=1; ri=43200; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
⚠ Policy applies to 1% of failing messages only
DKIM Selectors
✓ 3 found
google._domainkey
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
13 records- globalsign-domain-verification=D4DD29CBD18C67617075C2F6F5EDFBC9
- google-site-verification=QGObeLtWikquqojIRjUtPIr7g2I0E7zyYiNHKZLx4YQ
- google-site-verification=SSi9SvmOWBx9TpPncJpNE8MQkP7R--l1lIilL4fwHHQ
- google-site-verification=zZz_PhqmgCHfO6NGnJLyY-T-LYE5YNr6Py1B30R0oEw
- onetrust-domain-verification=00b8d5c51d084bbf90c179196d9331ea
- smartsheet-site-validation=bCliKWbmHJzbmGsXz5kc0e9bLhz_q73s
- SPFv=spf1 include:_u.kaplan.co.uk._spf.smart.ondmarc.com -all
- virtru-site-verify=PzYuxqOb9TMwU6E1z0H9ClH9lF5toTOsRX4HcFc4
- webexdomainverification.=8df5c35c-066c-4c29-b9e4-3b2e4b8f123d
- Domain verification key=969e7dc3cbce64635433b6d5391c84688b1e4ffa
- MS=ms55789076
- MS=ms80696008
- globalsign-domain-verification=93247F1FF31EBD7F0946020C95C2CF36
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