Domain Overview
DNS: ✓ 1mo ago
Checker: ✓ 1mo ago
billiontoone.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-06 16:18:38 UTC · ↺ Refresh
MX Hostnames
- aspmx.l.google.com
- alt1.aspmx.l.google.com
- alt2.aspmx.l.google.com
- alt4.aspmx.l.google.com
- alt3.aspmx.l.google.com
MX Priorities
- alt2.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
- alt3.aspmx.l.google.com: 10
- alt4.aspmx.l.google.com: 10
- alt1.aspmx.l.google.com: 5
A / AAAA Records
- 198.202.211.1
Mail Server IPs
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 142.251.111.27 ↩ bk-in-f27.1e100.net
- 2607:f8b0:4004:c08::1a ↩ bi-in-f26.1e100.net
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.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-x1a.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
SOA Record
Raw SOA
tessa.ns.cloudflare.com dns.cloudflare.com 2400946049 10000 2400 604800 1800
Primary NS (mname)
tessa.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400946049
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
tessa.ns.cloudflare.com
toby.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 redirect=billiontoone.com.hosted.spf-report.com
📊 DNS lookups: 1/10
DMARC Record
✓ Reject
v=DMARC1;p=reject;pct=10;fo=1;rua=mailto:[email protected];ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 10% of failing messages only
DKIM Selectors
✓ 3 found
google._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
24 records- asv=5bb27e6f49fafd222fd932f46c518d43
- stripe-verification=C146681D7B6695B78570D876E82D6ED5EEF93F45A3124E20E820962C76F9C821
- apple-domain-verification=UyMU5KkygnOfISaF
- google-site-verification=ntIKvA5f1o8ryqMcIUyb36Hu1SJwtW1xxqKbn3IWP5s
- anthropic-domain-verification-0y12ah=afEqtJbJOhoUmJgpP9H3OxWU2
- atlassian-domain-verification=RyvQ4Kvywam1tikqHFYSYVStYAyBNiABN4jV9IxFtYYb0sSRZim703Ln77C8YNKn
- atlassian-sending-domain-verification=ff6b2c0f-4a88-486b-9dd7-7476a6bc530c
- notion-domain-verification=16lwduxIK25HFOgNp0NkiT5rlp61sC9c1CzQN9FuxIy
- smartsheet-site-validation=videYy9hoYz15p_TtPDKMiODLfR8N4Uv
- launchdarkly-domain-verification=cd849f77-6e43-4fc8-9bc7-2a05a5fdfc00
- stripe-verification=6650D325989A88A8AA0C4AFA5DC165A8E9346154B6B156700A6A7E0A106E990E
- hostedscan-2ceeadbf60e33168
- cursor-domain-verification-e14h1w=fC27bpUCikoTN3tYPkddPrhPG
- google-site-verification=Lx0lkUC4MhGGCURYrS8B5sJKDkq9RHWrEa1nUIz9do4
- google-site-verification=99tiTRM3oejUHSw9IjuVGG_DJ9wVig31jeFscUBPDLQ
- asv=fc1528e957d0132faf433201aa67babe
- airtable-verification=914ba17cbd74199adc82fa322d74e0d9
- openai-domain-verification=dv-pB39b6acnmZx9tptfBu2EVxf
- MS=ms19572158
- 1password-site-verification=O6Z3FY6N4JEIRO2RRGICFGDVC4
- stripe-verification=dd6f60b290836dadf17d61be383236ef862798cbd1a8b1bfc31fb33aa1b2598b
- SPFv=spf1 redirect=billiontoone.com.hosted.spf-report.com
- adobe-idp-site-verification=7bde7e5dcfffa04485fd15e86ada9799a8c39a422519aed9fa4829b2cc6707eb
- notion-domain-verification=m7hCbL3mz4GOZxqGaH5lzRD54KgUPwWiF05qON9BzTU
Full email verification for billiontoone.com
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