Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
buck.co
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-01 03:44:35 UTC · ↺ Refresh
MX Hostnames
- alt1.aspmx.l.google.com
- aspmx.l.google.com
- alt2.aspmx.l.google.com
- alt3.aspmx.l.google.com
- alt4.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
- 76.76.21.21
Mail Server IPs
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 172.253.139.27 ↩ yuiadsk-in-f27.1e100.net
- 2607:f8b0:4004:c23::1a ↩ yuiadrs-in-f26.1e100.net
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
- 173.194.76.26 ↩ ws-in-f26.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-f26.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
SOA Record
Raw SOA
ns-1816.awsdns-35.co.uk awsdns-hostmaster.amazon.com 2021120900 7200 900 1209600 86400
Primary NS (mname)
ns-1816.awsdns-35.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
2021120900
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-347.awsdns-43.com
ns-834.awsdns-40.net
ns-1188.awsdns-20.org
ns-1816.awsdns-35.co.uk
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx include:_spf.google.com include:spf.mandrillapp.com include:mail.zendesk.com include:spf-es.prowly.com ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=10; sp=none
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none
⚠ Policy applies to 10% of failing messages only
DKIM Selectors
✓ 3 found
google._domainkey
s1._domainkey
s2._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
14 records- SPFv=spf1 a mx include:_spf.google.com include:spf.mandrillapp.com include:mail.zendesk.com include:spf-es.prowly.com ~all
- MS=6DA3DE9C6B80CA380E283C9EE2FDC40DD3C55288
- ZOOM_verify_H0KKZ0RzCtypFxyiWFGmjW
- apple-domain-verification=Jbka6NUdiJifzNWw
- autodesk-domain-verification=FCp75DTNmYiZKK-_aelU
- df22c9802bad86b50d2d608878e5e2ffe09775fe3bdaf74e76
- google-site-verification=5yLvAVwvsEgaJuIybv8MAvSbRPMz1O7XKr4KknJLPns
- google-site-verification=eiktb0DYzT7ktmF_wukD8n7kUXOUq1kCb6hzNm9j18A
- google-site-verification=igKRjL_qI_YwPQrrTNwXnKznSuzZGQICB_0aHuZYdyA
- jamf-site-verification=TdL5H-432Nnh0pjH1AFKQw
- jumpdesktop=d1ba89d85278ba2636c9b11939dfbd154d49a486e2219c82fe991d41943b
- parsec-domain-verification=td_2EB1TafSyO4RBCyLXBUUWQtX5DF
- pinterest-site-verification=c9d8d14a03c73b49bfa085a307ed05e4
- prowly-verification=11af0f0f1d7bea02519486b3d5359d27b80455f9e37ae2419fd818093030bc0d
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