Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
a1sg.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 20:15:43 UTC · ↺ Refresh
MX Hostnames
- alt4.aspmx.l.google.com
- alt1.aspmx.l.google.com
- alt3.aspmx.l.google.com
- alt2.aspmx.l.google.com
- aspmx.l.google.com
MX Priorities
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
- alt3.aspmx.l.google.com: 10
- alt4.aspmx.l.google.com: 10
- aspmx.l.google.com: 1
A / AAAA Records
- 35.171.68.47
Mail Server IPs
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 173.194.76.26 ↩ ws-in-f26.1e100.net
- 2a00:1450:400c:c00::1b ↩ ws-in-f27.1e100.net
- 142.250.102.26 ↩ rb-in-f26.1e100.net
- 2a00:1450:4025:402::1b ↩ rb-in-f27.1e100.net
- 64.233.180.26 ↩ on-in-f26.1e100.net
- 2607:f8b0:4004:c21::1a ↩ pe-in-f26.1e100.net
SOA Record
Raw SOA
dns1.registrar-servers.com hostmaster.registrar-servers.com 1742825247 43200 3600 604800 3601
Primary NS (mname)
dns1.registrar-servers.com
Admin Email (rname)
hostmaster@registrar-servers.com
Serial
1742825247
Refresh
43200s
Retry
3600s
Expire
604800s
Minimum TTL
3601s
Nameservers (NS)
dns2.registrar-servers.com
dns1.registrar-servers.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- google-site-verification=vkWICcsUZDZJWQeiKXYF9jOXYPcFyHSqcy260wDgbfA
- SPFv=spf1 include:_spf.google.com ~all
- google-site-verification=Fdo-ltaXF2K5YGkveJeMKYDj9vFCELf6qitvT4SrmAk
Full email verification for a1sg.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits