Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
lisd.org
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-27 22:40:21 UTC · ↺ Refresh
MX Hostnames
- aspmx.l.google.com
- alt1.aspmx.l.google.com
- alt3.aspmx.l.google.com
- alt2.aspmx.l.google.com
- alt4.aspmx.l.google.com
MX Priorities
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
- alt4.aspmx.l.google.com: 10
- alt3.aspmx.l.google.com: 10
- aspmx.l.google.com: 1
A / AAAA Records
- 34.226.231.199
Mail Server IPs
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 173.194.76.26 ↩ ws-in-f26.1e100.net
- 2a00:1450:400c:c00::1b ↩ ws-in-f27.1e100.net
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
- 172.253.62.26 ↩ bc-in-f26.1e100.net
- 2607:f8b0:4004:c1d::1b ↩ ww-in-f27.1e100.net
SOA Record
Raw SOA
lisdns.lisd.org root.lisd.org 2025071401 28800 120 1209600 3600
Primary NS (mname)
lisdns.lisd.org
Admin Email (rname)
root@lisd.org
Serial
2025071401
Refresh
28800s
Retry
120s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
lisdns.lisd.org
lisdns1.lisd.org
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:24.204.63.0/24 include:spf.gaggle.net include:_spf.google.com include:customerspf.schoolmessenger.com include:sendgrid.net ip4:66.195.143.26 ip4:8.12.72.20 -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;sp=reject;adkim=r;aspf=r;fo=1;rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 4 found
google._domainkey
default._domainkey
s1._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
9 records- im4sicdvr143r1qjrk7hdp3rel
- pue2m223pk8sn21a858havq1r1
- google-site-verification=_jw4w66UWocP7UhHFyH2PH28OTcwIiYcSwYrtt_JYGI
- SPFv=spf1 mx ip4:24.204.63.0/24 include:spf.gaggle.net include:_spf.google.com include:customerspf.schoolmessenger.com include:sendgrid.net ip4:66.195.143.26 ip4:8.12.72.20 -all
- 3vbsmiiehi31d2k3k11ig8fc3
- MS=ms68392381
- google-site-verification=C-Ia6oTV-ihBxDxeM5RyCPxL94XcFu90MJE3PbdnwxA
- google-site-verification=mtB-YKh2FkaIKIaUq_R5pLvDGvOzQ_5kskQ1ICGHBFY
- apple-domain-verification=JVn2bUp5KyO0Tz2p
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