Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
fiftyonebikes.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 13:54:08 UTC · ↺ Refresh
MX Hostnames
- fiftyonebikes-com.mail.protection.outlook.com
MX Priorities
- fiftyonebikes-com.mail.protection.outlook.com: 0
A / AAAA Records
- 3.171.76.18 ↩ server-3-171-76-18.iad89.r.cloudfront.net
- 3.171.76.36 ↩ server-3-171-76-36.iad89.r.cloudfront.net
- 3.171.76.71
- 3.171.76.13
- 2600:9000:2511:f200:2:fd3f:cd00:93a1
- 2600:9000:2511:e600:2:fd3f:cd00:93a1
- 2600:9000:2511:be00:2:fd3f:cd00:93a1
- 2600:9000:2511:c000:2:fd3f:cd00:93a1
- 2600:9000:2511:dc00:2:fd3f:cd00:93a1
- 2600:9000:2511:ce00:2:fd3f:cd00:93a1
- 2600:9000:2511:fc00:2:fd3f:cd00:93a1
- 2600:9000:2511:ae00:2:fd3f:cd00:93a1
Mail Server IPs
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
- 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
- 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
- 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
- 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
emma.ns.cloudflare.com dns.cloudflare.com 2399525944 10000 2400 604800 1800
Primary NS (mname)
emma.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399525944
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
emma.ns.cloudflare.com
milan.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com mx a ip4:162.55.221.10 a:plesk.graftondigital.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 include:spf.protection.outlook.com mx a ip4:162.55.221.10 a:plesk.graftondigital.com ~all
- MS=ms59421065
- google-site-verification=bOHnmFSqCS6oxRiCUfmbCReWmGT40mINqQV4yUOOQsE
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