highwire.com

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

Domain Overview

DNS: ⚡ live Checker: ⚡ live
highwire.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-06-16 04:40:17 UTC · ↺ Refresh

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MX Hostnames

  • highwire-com.mail.protection.outlook.com

MX Priorities

  • highwire-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 18.238.55.123 ↩ server-18-238-55-123.jfk52.r.cloudfront.net
  • 18.238.55.46 ↩ server-18-238-55-46.jfk52.r.cloudfront.net
  • 18.238.55.25
  • 18.238.55.124

Mail Server IPs

  • 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
  • 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
  • 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
  • 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com

SOA Record

Raw SOA ns-1426.awsdns-50.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1426.awsdns-50.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1782.awsdns-30.co.uk
ns-739.awsdns-28.net
ns-1426.awsdns-50.org
ns-172.awsdns-21.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.google.com include:amazonses.com include:mail.zendesk.com include:14489935.spf05.hubspotemail.net -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; adkim=r; aspf=r; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 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

13 records
  • google-site-verification=3ucdkh25YQSQRD_Jz3QEZyxICBp4yJB59yJbMfgr5zI
  • google-site-verification=PH0lejVnM4xyxlVvpb1o0Trm59YKKeSjRd9fTJPJFSc
  • google-site-verification=cNsmLgOOI1QVijJXOBcFJm_biKfrv3OEo68id3Lfcdw
  • google-site-verification=lRv5Qlb_Uj3UiRwJfx-CTI9cQSBdckjSKUehYDhCMpI
  • new-relic-domain-verification=287d5a4d001f452abd88c6a52768f247
  • rippling-domain-verification=c9d4f4021ce07e69
  • stripe-verification=8dcc7ded268484633ca3016a5c2d4b1353ed0991ebc224e60618a7c3864cd1d7
  • SPFv=spf1 include:spf.protection.outlook.com include:_spf.google.com include:amazonses.com include:mail.zendesk.com include:14489935.spf05.hubspotemail.net -all
  • MS=ms37205579
  • MS=ms71615552
  • apple-domain-verification=qyKqmd9aI0gWJu6Y
  • atlassian-domain-verification=AR5JuEy7xbKYXRXqzYUuAzlTdlDiRJGjVNwOVxQmR4SmXZSlnqwwdps1aTY0uTkC
  • figma-domain-verification=e19c0a09e7993ac3a2b3870059392644f699cc2780dec65a1c129cc564a5e559-1772125208
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