Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
lambertschool.net
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 10:30:48 UTC · ↺ Refresh
MX Hostnames
- alt1.aspmx.l.google.com
- aspmx3.googlemail.com
- alt2.aspmx.l.google.com
- aspmx2.googlemail.com
- aspmx.l.google.com
MX Priorities
- alt1.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
- aspmx3.googlemail.com: 10
- aspmx2.googlemail.com: 10
- alt2.aspmx.l.google.com: 5
A / AAAA Records
- 104.17.71.73 (no PTR)
Mail Server IPs
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 172.253.122.27 ↩ bh-in-f27.1e100.net
- 2607:f8b0:4004:c23::1b ↩ yuiadrs-in-f27.1e100.net
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 172.253.116.27 ↩ dj-in-f27.1e100.net
SOA Record
Raw SOA
ns19.worldnic.com namehost.worldnic.com 125071220 10800 3600 604800 3600
Primary NS (mname)
ns19.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125071220
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns20.worldnic.com
ns19.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:mg.infinitecampus.org include:_spf.google.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; pct=100; adkim=s; aspf=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
google._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
5 records- apple-domain-verification=3P75VPXKm1cmbQJT
- MS=14059E112633AC2FF1105612AB1B9A9506FEDB91
- google-site-verification=RdzqRqM61rH3-xe1VhIcmUpbT_ZDnFTq047t89tE4CE
- google-site-verification=JCf90kZWo3i32LROh3L1q6XW3iEYHtKEiaax-vQfBqw
- SPFv=spf1 include:mg.infinitecampus.org include:_spf.google.com ~all
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