Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dualbootpartners.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 07:02:51 UTC · ↺ Refresh
MX Hostnames
- aspmx2.googlemail.com
- aspmx3.googlemail.com
- alt2.aspmx.l.google.com
- aspmx.l.google.com
- alt1.aspmx.l.google.com
MX Priorities
- aspmx.l.google.com: 1
- aspmx2.googlemail.com: 10
- aspmx3.googlemail.com: 10
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
A / AAAA Records
- 172.67.223.221 (no PTR)
- 104.21.46.49 (no PTR)
- 2606:4700:3032::ac43:dfdd (no PTR)
- 2606:4700:3032::6815:2e31
Mail Server IPs
- 172.253.115.27 ↩ bg-in-f27.1e100.net
- 2607:f8b0:4004:c08::1b ↩ bi-in-f27.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
SOA Record
Raw SOA
cullen.ns.cloudflare.com dns.cloudflare.com 2398891319 10000 2400 604800 1800
Primary NS (mname)
cullen.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398891319
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
shaz.ns.cloudflare.com
cullen.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:spf.mandrillapp.com include:49713046.spf01.hubspotemail.net ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p= quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → 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
8 records- 3a0ae182-81bc-4cd2-8b91-2c602be2680e
- MS=70ABF6C87DFB525D24356907D1BFD94FAB03716B
- _cf-custom-hostname.trust.dualbootpartners.com
- cursor-domain-verification-bvh1bq=WyoRiE85j3tV7NGx8J0HXF8k6
- google-site-verification=Awwi32HGxBVL-zppeMKQhYgxDZN4YyWSl6HyvQc-MAU
- google-site-verification=au6f-YHGkRYE1gsfnMWJvoLf1CB8lBZtfBxt6GhdWTY
- SPFv=spf1 include:_spf.google.com include:spf.mandrillapp.com include:49713046.spf01.hubspotemail.net ~all
- v=verifydomain MS=1595998
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