Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
colchestersd.org
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 15:45:43 UTC · ↺ Refresh
MX Hostnames
- alt4.aspmx.l.google.com
- alt3.aspmx.l.google.com
- alt1.aspmx.l.google.com
- aspmx.l.google.com
- alt2.aspmx.l.google.com
MX Priorities
- aspmx.l.google.com: 1
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
- alt3.aspmx.l.google.com: 10
- alt4.aspmx.l.google.com: 10
A / AAAA Records
- 15.197.225.128
- 3.33.251.168
Mail Server IPs
- 172.253.122.26 ↩ bh-in-f26.1e100.net
- 2607:f8b0:4004:c23::1a ↩ yuiadrs-in-f26.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1b ↩ ws-in-f27.1e100.net
SOA Record
Raw SOA
ns07.domaincontrol.com dns.jomax.net 2026031200 28800 7200 604800 3600
Primary NS (mname)
ns07.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026031200
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns07.domaincontrol.com
ns08.domaincontrol.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:dc-77d78235e8._spfm.colchestersd.org ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100; adkim=r; aspf=r; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
google._domainkey
s2._domainkey
✓ Public key: 216 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
4 records- apple-domain-verification=RZLn0FFOfuS1vvO6
- google-site-verification=D30yy8gVWmhYEIdLQREqtelpjPUQ0nY__s3uAZO45hE
- SPFv=spf1 include:dc-77d78235e8._spfm.colchestersd.org ~all
- duo_sso_verification=mDPp47Zles7slAsJZ8BV8N28at50rWClSYQVDQzsve0vUKJgWFcxReo28ZEugiKo
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