Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
robocore.net
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 11:51:19 UTC · ↺ Refresh
MX Hostnames
- alt3.aspmx.l.google.com
- alt4.aspmx.l.google.com
- alt1.aspmx.l.google.com
- aspmx.l.google.com
- alt2.aspmx.l.google.com
MX Priorities
- aspmx.l.google.com: 1
- alt3.aspmx.l.google.com: 10
- alt4.aspmx.l.google.com: 10
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
A / AAAA Records
- 54.94.183.77
Mail Server IPs
- 172.253.63.26 ↩ bi-in-f26.1e100.net
- 2607:f8b0:4004:c25::1a ↩ yuiadtq-in-f26.1e100.net
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-f26.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
SOA Record
Raw SOA
ns-809.awsdns-37.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-809.awsdns-37.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1145.awsdns-15.org
ns-1727.awsdns-23.co.uk
ns-472.awsdns-59.com
ns-809.awsdns-37.net
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.google.com include:amazonses.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; adkim=s; aspf=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
google._domainkey
✓ Public key: 216 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
3 records- SPFv=spf1 include:_spf.google.com include:amazonses.com -all
- facebook-domain-verification=6zymnpdnt0idy1qr6586t2o3ugtxbx
- google-site-verification=0JOQ6IaY_QopQoKPhofvNpB6tX48iqRJEjZ5D1G2Cy8
Full email verification for robocore.net
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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