bt-blue.com

Valid Email Server
Domain Lookup › bt-blue.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
bt-blue.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-07-01 16:03:41 UTC · ↺ Refresh

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MX Hostnames

  • btblue-com0e.mail.protection.outlook.com

MX Priorities

  • btblue-com0e.mail.protection.outlook.com: 0

A / AAAA Records

  • 37.157.224.42 (no PTR)

Mail Server IPs

  • 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
  • 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
  • 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
  • 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com

SOA Record

Raw SOA ns.bretagnetelecom.fr support.bretagnetelecom.fr 2026070101 7200 3600 604800 3600
Primary NS (mname)
ns.bretagnetelecom.fr
Admin Email (rname)
support@bretagnetelecom.fr
Serial
2026070101
Refresh
7200s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns4.bretagnetelecom.fr
ns2.bretagnetelecom.fr
ns1.bretagnetelecom.fr
ns3.bretagnetelecom.fr

SPF Record

✓ Strict (-all)
v=spf1 include:dc.oceanis.fr include:spf.protection.outlook.com include:servers.mcsv.net include:spf.mailjet.com include:_spf.smtp.mailtrap.live include:_spf.salesforce.com ip4:91.134.109.147 ip4:37.157.224.151 ip4:37.157.224.26 ip4:37.157.224.208 ip4:37.187.248.72 ip4:77.74.208.203 ip4:77.74.208.202 -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected],mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; sp=quarantine;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: quarantine

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

23 records
  • google-site-verification=8B3P319osFOeHfsD6psUpSC-64zsM3gsznuEflZqeII
  • p9dg8hvkj7773wvfj0n1qmzmdqwz67wv
  • jyw5nx8nfzfpxdgxqr1jry74p30x6p4d
  • 84wmqnnh57x7vzrhxwf16pqghgpgy8z3
  • _vbddhmwrqzvzp9akxuvnlz1boi7qbpl
  • _v4tust6l72gl1c8jzi1v9odi8lkjjz3
  • cisco-ci-domain-verification=286b269fc07b0db314ba5dcced81f1a62020977fb40e2ef7c1fbbbca79059cf5
  • MS=ms15956817
  • anthropic-domain-verification-n1jcp1=jCEEZf712v7VooWZjmJCAuy2U
  • p0mkjqklsgtb402fhyss3w85zd7493j9
  • my9fb5d919fq6xxtc41jw8qb72hckd5b
  • _lmqs24ipcduti67cga71cizamx5os5x
  • v9pfq7dyy1ht1g2dsshc1h5hx6pv3gbw
  • wg06l6j2s5g0ppy9z9dchhtdj6ndzx47
  • _tnu0fap2mo565vwq4dyij64dqvf4vgn
  • y7mfn4kkhpqbrfvwm6v6hxxsxgfn6wrp
  • wrike-verification=MzA2MTk0Mjo2MjhiZmMxMGRmMzAwZjgzYjJlMGFlNTViZTA2YTNiZmI3YTI0YzgyNWIyOWNlYmQ0NGZmNjE0MzRlYzJlNmFk
  • rrnc1p1bwh71vw940qjkmc8gqxh1n0z0
  • _cg8fyrcc6tl48navr6vozt59rro4ktf
  • linkedin-site-verification=9bedfce0-ae49-48f4-bfab-a8a4a8bc2499
  • SPFv=spf1 include:dc.oceanis.fr include:spf.protection.outlook.com include:servers.mcsv.net include:spf.mailjet.com include:_spf.smtp.mailtrap.live include:_spf.salesforce.com ip4:91.134.109.147 ip4:37.157.224.151 ip4:37.157.224.26 ip4:37.157.224.208 ip4:37.187.248.72 ip4:77.74.208.203 ip4:77.74.208.202 -all
  • 888EBFB629NTMxNzYxMw2#!c3z5w57r5oga0r555m2w
  • _03e3wc3vtg9tstkpbwpka40bvlj8ad7
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