Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
chadwickschool.org
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 06:19:02 UTC · ↺ Refresh
MX Hostnames
- alt4.aspmx.l.google.com
- alt2.aspmx.l.google.com
- aspmx.l.google.com
- alt3.aspmx.l.google.com
- alt1.aspmx.l.google.com
MX Priorities
- aspmx.l.google.com: 1
- alt4.aspmx.l.google.com: 10
- alt1.aspmx.l.google.com: 5
- alt3.aspmx.l.google.com: 10
- alt2.aspmx.l.google.com: 5
A / AAAA Records
- 13.66.138.102
Mail Server IPs
- 172.253.115.26 ↩ bg-in-f26.1e100.net
- 2607:f8b0:4004:c1b::1b ↩ wv-in-f27.1e100.net
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-f26.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
SOA Record
Raw SOA
ns43.worldnic.com namehost.worldnic.com 125110619 10800 3600 604800 3600
Primary NS (mname)
ns43.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125110619
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns43.worldnic.com
ns44.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com ip4:70.168.255.130 ip4:74.217.84.128/25 ip4:64.195.215.138 ip4:74.125.244.0/22 include:mailgun.org ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 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
8 records- cisco-ci-domain-verification=cfb7c87be560162643c8e408af447dd7d18012927306058dae2cb3a0c2898e1
- apple-domain-verification=Can4cnUwF1333A3U
- adobe-idp-site-verification=c14c0cb676eb6de8e8cc1f1eee46876c7f14778b1b40ca7a4b3921a71a9dff3f
- google-site-verification=R7pwa8xtxENmA52uBBgnhInQDgiIfId-PiXrfhnJY5U
- have-i-been-pwned-verification=cf917eb2706ca87b15023074f9ed8fd4
- SPFv=spf1 include:_spf.google.com ip4:70.168.255.130 ip4:74.217.84.128/25 ip4:64.195.215.138 ip4:74.125.244.0/22 include:mailgun.org ~all
- ZOOM_verify_CuIZj4k1RIije2NAS4lBuw
- MS=F510AF371585A343FFE5A7E5011AC1B77003AE5E
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