structube.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
structube.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-27 20:27:08 UTC · ↺ Refresh

MX Hostnames

  • structube-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 172.66.155.159 (no PTR)
  • 104.20.25.202 (no PTR)
  • 2606:4700:10::ac42:9b9f
  • 2606:4700:10::6814:19ca

Mail Server IPs

  • 52.101.190.0 ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
  • 52.101.190.2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
  • 52.101.192.1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
  • 52.101.190.3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:c944::1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
  • 2a01:111:f403:c942::2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
  • 2a01:111:f403:c944:: ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
  • 2a01:111:f403:c942::3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com

SOA Record

Raw SOA dahlia.ns.cloudflare.com dns.cloudflare.com 2399932682 10000 2400 604800 1800
Primary NS (mname)
dahlia.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399932682
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

dahlia.ns.cloudflare.com
woz.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 a ip4:108.163.179.74/32 ip4:192.252.133.181 ip4:184.95.255.197 ip4:199.243.98.194 ip4:199.243.102.90 include:amazonses.com include:spf.protection.outlook.com include:u25621692.wl193.sendgrid.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; pct=100; fo=1; ri=3600; rua=mailto:[email protected]; ruf=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ DKIM properly configured for selector: selector1

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

All TXT Records

12 records
  • google-site-verification=OxUaefTufgNqA36b5rXwc3njL3f2s6jHf1FDkkpuvvg
  • hfn6fqif09or0tgl290q15u1jc
  • m0vvajebu13dg0brdvol5v908e
  • udd4ek1cl9d87g8arqajibppe7
  • SPFv=spf1 a ip4:108.163.179.74/32 ip4:192.252.133.181 ip4:184.95.255.197 ip4:199.243.98.194 ip4:199.243.102.90 include:amazonses.com include:spf.protection.outlook.com include:u25621692.wl193.sendgrid.net -all
  • /+iSzs1v7zjQ97YvKLHYOlny+VDffftRI3C1B/rWThv14leJLKZFbNloYfxanffCOb2gNykmSuBDI27T90BC6A==
  • 2qrpss7hmp2qm06gp3r2ve9til
  • MS=ms51973841
  • _globalsign-domain-verification=yRdIt507tQIZyVRXF6VBvVbEIWhqpzJaxh8r1qdSUr
  • apple-domain-verification=7RjG9PmZG5rDavLX
  • google-site-verification=6G5pfK6sglBzaZzPUpNl2meFSzKFbyGEfDFOG4NML5Q
  • google-site-verification=MifbP1HU-d-RXrCFUulSl58tryDAusFh3x-qxkAKNYo
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