Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
riester.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 15:22:26 UTC · ↺ Refresh
MX Hostnames
- alt2.aspmx.l.google.com
- aspmx2.googlemail.com
- aspmx3.googlemail.com
- aspmx.l.google.com
- alt1.aspmx.l.google.com
MX Priorities
- aspmx.l.google.com: 10
- alt1.aspmx.l.google.com: 20
- alt2.aspmx.l.google.com: 30
- aspmx2.googlemail.com: 40
- aspmx3.googlemail.com: 50
A / AAAA Records
- 141.193.213.20 (no PTR)
- 141.193.213.21
Mail Server IPs
- 172.253.63.27 ↩ bi-in-f27.1e100.net
- 2607:f8b0:4004:c1b::1a ↩ wv-in-f26.1e100.net
- 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
- 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
SOA Record
Raw SOA
derek.ns.cloudflare.com dns.cloudflare.com 2399405233 10000 2400 604800 1800
Primary NS (mname)
derek.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399405233
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
derek.ns.cloudflare.com
molly.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:20057034.spf01.hubspotemail.net ?include:relay.mailchannels.net ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
google._domainkey
mail._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
14 records- canva-site-verification=3buipzUIMdxoyMPxf24qaQ
- citrix-verification-code=b7c17ce0-f5f8-4190-8cd7-d0aa68d3622e
- extensis-domain-verification=5d315f03-0f33-4556-8d82-38ee4fe20a75
- google-site-verification=3jSHdM0O4kj4AKN7LBbU6iZD4fzhp2THAotsbPoEVJs
- google-site-verification=Bnw3qc8BCbTBSi8MWpE1_ElXghoBLxgt1j0AmkLUDoA
- openai-domain-verification=dv-wxAvWcLQj3bXb0P3eDjA7xbj
- SPFv=spf1 include:_spf.google.com include:20057034.spf01.hubspotemail.net ?include:relay.mailchannels.net ~all
- ? wpe-verification=riester
- MS=93AB335FB1CF045A52320A02FF2CD53F717621C1
- MS=ms89803602
- ZOOM_verify_B1Wce3mdC6AggyfFhzLpeV
- anthropic-domain-verification-c87jsh=nqymWh1V5qpLYub1O7uApO827
- apple-domain-verification=fv4RcFnMz8F3nk49
- atlassian-domain-verification=2ViYU88BnYuckOfnZadeaVTvTkjMj7Wyqa2rmYeyJAZwfvfnN8Caxf9Z9LsxaiPe
Full email verification for riester.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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