Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
esc16.net
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 09:12:54 UTC · ↺ Refresh
MX Hostnames
- ALT1.ASPMX.L.GOOGLE.COM
- ALT4.ASPMX.L.GOOGLE.COM
- ALT3.ASPMX.L.GOOGLE.COM
- ALT2.ASPMX.L.GOOGLE.COM
- ASPMX.L.GOOGLE.COM
MX Priorities
- alt2.aspmx.l.google.com: 5
- alt4.aspmx.l.google.com: 10
- alt3.aspmx.l.google.com: 10
- alt1.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
A / AAAA Records
- 104.16.159.133
- 104.18.190.233
- 104.18.189.233
- 104.16.158.133
Mail Server IPs
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1b ↩ ws-in-f27.1e100.net
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 172.253.122.26 ↩ bh-in-f26.1e100.net
- 2607:f8b0:4004:c1d::1b ↩ ww-in-f27.1e100.net
SOA Record
Raw SOA
dns1.region16.net postmaster.esc16.net 2021102192 1800 1800 259200 86400
Primary NS (mname)
dns1.region16.net
Admin Email (rname)
postmaster@esc16.net
Serial
2021102192
Refresh
1800s
Retry
1800s
Expire
259200s
Minimum TTL
86400s
Nameservers (NS)
dns2.region16.net
dns1.region16.net
SPF Record
✓ Strict (-all)
v=spf1 mx a:mta01.region16.net ip4:69.62.1.20 ip4:69.62.1.51 ip4:69.62.8.36 ip4:168.245.2.212 ip4:69.62.8.35 ip4:69.62.8.199 ip4:69.62.8.197 include:spf.protection.outlook.com include:servers.mcsv.net include:_spf.google.com include:send.edlio.com include:sendgrid.avolio.tech -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected],mailto:[email protected]; sp=quarantine; adkim=r; aspf=r; fo=1; ri=86400
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 6 found
google._domainkey
selector1._domainkey
selector2._domainkey
k1._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
2 records- duo_sso_verification=xEDxXVGcLe09ti1Iccs9qjuDxVWdgWHP8ro4ylMiTdnU2hFC93lQP3QNb7lNzkWm
- SPFv=spf1 mx a:mta01.region16.net ip4:69.62.1.20 ip4:69.62.1.51 ip4:69.62.8.36 ip4:168.245.2.212 ip4:69.62.8.35 ip4:69.62.8.199 ip4:69.62.8.197 include:spf.protection.outlook.com include:servers.mcsv.net include:_spf.google.com include:send.edlio.com include:sendgrid.avolio.tech -all
Full email verification for esc16.net
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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