Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
isotrol.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 11:22:11 UTC · ↺ Refresh
MX Hostnames
- aspmx2.googlemail.com
- alt2.aspmx.l.google.com
- aspmx.l.google.com
- alt1.aspmx.l.google.com
- aspmx3.googlemail.com
MX Priorities
- alt2.aspmx.l.google.com: 5
- aspmx2.googlemail.com: 10
- aspmx3.googlemail.com: 10
- aspmx.l.google.com: 1
- alt1.aspmx.l.google.com: 5
A / AAAA Records
- 198.202.211.1 (no PTR)
Mail Server IPs
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-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
- 172.253.139.26 ↩ yuiadsk-in-f26.1e100.net
- 2607:f8b0:4004:c07::1b ↩ bc-in-f27.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
SOA Record
Raw SOA
ns1-09.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-09.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns2-09.azure-dns.net
ns3-09.azure-dns.org
ns4-09.azure-dns.info
ns1-09.azure-dns.com
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.google.com include:spf.brevo.com include:123456.spf03.hubspotemail.net include:_spf.salesforce.com ip4:185.92.108.4 -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 2 found
google._domainkey
mail._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- atlassian-domain-verification=2ygqpFrHtFiUojcuHiOMEuD/Cv0BAYBtb/nai4q82kuqdqpDA00Iy9HkOIl8tHph
- d540g997lau2hrjgj327unj78o
- TAILSCALE-ZqVLTSKRvSDyRvTAW59o
- SPFv=spf1 include:_spf.google.com include:spf.brevo.com include:123456.spf03.hubspotemail.net include:_spf.salesforce.com ip4:185.92.108.4 -all
- google-site-verification=WrxqwRESxye_RbmmXVcQrRqS11TsQwjp7Mj8IGLxTJs
- evqp7ql3u4sj9ks42u3cg3pjqt
- brevo-code:5a4ae97a3839cd693eea264d81633657
- 0b22d408-5b8c-11ee-ae5d-005056bd5094
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