bt.dk

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

Domain Overview

DNS: ⚡ live Checker: ⚡ live
bt.dk
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-10-29 14:15:51 UTC · ↺ Refresh

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MX Hostnames

  • alt1.aspmx.l.google.com
  • alt4.aspmx.l.google.com
  • alt2.aspmx.l.google.com
  • alt3.aspmx.l.google.com
  • aspmx.l.google.com

MX Priorities

  • alt3.aspmx.l.google.com: 10
  • alt4.aspmx.l.google.com: 10
  • alt1.aspmx.l.google.com: 5
  • alt2.aspmx.l.google.com: 5
  • aspmx.l.google.com: 1

A / AAAA Records

  • 18.238.49.85
  • 18.238.49.67
  • 18.238.49.90
  • 18.238.49.14

Mail Server IPs

  • 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
  • 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
  • 172.253.157.26 ↩ yubrupd-in-f26.1e100.net
  • 2a00:1450:400c:c23::1a ↩ yubrupd-in-f26.1e100.net
  • 192.178.234.26 ↩ ncsclj-in-f26.1e100.net
  • 2800:3f0:4003:c14::1a (no PTR)
  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
  • 172.253.115.26 ↩ bg-in-f26.1e100.net
  • 2607:f8b0:4004:c21::1a ↩ pe-in-f26.1e100.net

SOA Record

Raw SOA ns-1028.awsdns-00.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1028.awsdns-00.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1897.awsdns-45.co.uk
ns-432.awsdns-54.com
ns-990.awsdns-59.net
ns-1028.awsdns-00.org

SPF Record

✓ Strict (-all)
v=spf1 include:_u.bt.dk._spf.dmarcly.com include:mail.zendesk.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=reject; adkim=s; pct=100; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject

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

15 records
  • google-site-verification=CSEMR5Bv4mkCmKuj3vPh8QfKsIq2gJAnZQyXraMr1yE
  • google-site-verification=DAQlWGGp4_r7f5XuAUepRlFITb-HAONt6icMCd-2UWw
  • google-site-verification=KOdo1HMlUXc5c93BkrCDZ1GHv9VRGDfKyXF1Zcl5UXI
  • google-site-verification=MFqaEEY-lwt2YqoUAzYHD3E7EovZhzWLPGJAf_ew-7Y
  • google-site-verification=P5n1EArQ0PqORsBv9M3inR8T_LIMSNNEinGN3w1xdpo
  • google-site-verification=nhtnq1e1Yfe-3YFgUtPjjP9RfrcJ7lNqYC49zpRFbVg
  • google-site-verification=oNbQkDAxc331-pW8FSA_2ne_jyB2bjwku1-kqiSVfik
  • google-site-verification=shLaIdX60al1iuN-5pjzXqAFnbEsfFyA4sCWBbjMEXc
  • google-site-verification=yYEJXlSACju11E3jv8h8re68BviCUin8BcfrzC_Ln78
  • SPFv=spf1 include:_u.bt.dk._spf.dmarcly.com include:mail.zendesk.com -all
  • DBO
  • docusign=5002b1be-d38d-49e8-a3c2-190fae7be914
  • docusign=b9b660d9-2c70-4777-a009-567f973e9a7e
  • facebook-domain-verification=np3c30lskd6ibfnvwf2hjue73rzmgx
  • google-site-verification=6CW3_5qeaI5nW8LtLwAHMGR2bT_PxP076OuC0yWEvzw
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