Domain Overview
DNS: ✓ 15h ago
Checker: ✓ 15h ago
sdpcr.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-20 08:09:35 UTC · ↺ Refresh
MX Hostnames
- aspmx.l.google.com
- alt1.aspmx.l.google.com
- alt2.aspmx.l.google.com
- aspmx2.googlemail.com
MX Priorities
- alt1.aspmx.l.google.com: 5
- aspmx2.googlemail.com: 10
- alt2.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
A / AAAA Records
- 74.208.236.51 ↩ 74-208-236-51.elastic-ssl.ui-r.com
- 2607:f1c0:100f:f000::258 ↩ 2607-f1c0-100f-f000-0000-0000-0000-0258.elastic-ssl.ui-r.com
Mail Server IPs
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 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
- 64.233.180.26 ↩ on-in-f26.1e100.net
- 2607:f8b0:4004:c1d::1b ↩ ww-in-f27.1e100.net
SOA Record
Raw SOA
ns1070.ui-dns.org hostmaster.1und1.com 2017060146 28800 7200 604800 600
Primary NS (mname)
ns1070.ui-dns.org
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060146
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1070.ui-dns.org
ns1123.ui-dns.com
ns1058.ui-dns.biz
ns1105.ui-dns.de
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.google.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected],mailto:[email protected]; fo=1; adkim=s; aspf=s;
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 1 found
google._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- SPFv=spf1 include:_spf.google.com -all
- openai-domain-verification=dv-O6TsL1hNNX1mhrnCIUkuvJvF
Full email verification for sdpcr.com
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