Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gulliverprep.org
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 08:10:33 UTC · ↺ Refresh
MX Hostnames
- alt3.aspmx.l.google.com
- alt2.aspmx.l.google.com
- alt1.aspmx.l.google.com
- alt4.aspmx.l.google.com
- aspmx.l.google.com
MX Priorities
- alt4.aspmx.l.google.com: 10
- aspmx.l.google.com: 1
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
- alt3.aspmx.l.google.com: 10
A / AAAA Records
- 141.193.213.21
- 141.193.213.20
Mail Server IPs
- 173.194.76.26 ↩ ws-in-f26.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-x1a.1e100.net
- 142.250.31.26 ↩ bj-in-f26.1e100.net
- 2607:f8b0:4004:c23::1a ↩ yuiadrs-in-f26.1e100.net
- 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
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
SOA Record
Raw SOA
ns-545.awsdns-04.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-545.awsdns-04.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-198.awsdns-24.com
ns-2015.awsdns-59.co.uk
ns-545.awsdns-04.net
ns-1317.awsdns-36.org
SPF Record
✓ Soft Fail (~all)
v=spf1 mx ip4:12.239.45.230/32 ip4:34.200.82.12 ip4:170.55.95.120/29 ip4:170.55.95.96/29 ip4:12.127.85.240/30 include:_spf.google.com include:spf.protection.outlook.com include:_spf.psm.knowbe4.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=quarantine; fo=1; ri=86400
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 3 found
google._domainkey
s1._domainkey
s2._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- adobe-idp-site-verification=dee6df6c7a6b31c041999d6256a97aad17792a2bb99e1613e477a919d132f770
- canva-domain-verify=e9b1edbd-9261-4169-8da9-0afe69ae1bd8
- google-site-verification=QKm2XbxVJtyc3DdLykDDCjEAaFHM5wetcgPiZU2aKxQ
- openai-domain-verification=dv-QSZDnbLZ8SVsn3a0O04Ohyu2
- r96r9vycktdkrhjfr0n5q9zgzx7v36hd
- SPFv=spf1 mx ip4:12.239.45.230/32 ip4:34.200.82.12 ip4:170.55.95.120/29 ip4:170.55.95.96/29 ip4:12.127.85.240/30 include:_spf.google.com include:spf.protection.outlook.com include:_spf.psm.knowbe4.com ~all
- MS=BB8E4A1A71960CFEE3291BC0E8D1F9E01A3570F4
- ZOOM_verify_F05Gs727RiWDP7B5Puf-Jw
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