steelandtube.co.nz

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
steelandtube.co.nz
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-18 04:02:24 UTC · ↺ Refresh

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MX Hostnames

  • steelandtube-co-nz.mail.protection.outlook.com

MX Priorities

  • steelandtube-co-nz.mail.protection.outlook.com: 10

A / AAAA Records

  • 104.26.11.77 (no PTR)
  • 172.67.73.194 (no PTR)
  • 104.26.10.77
  • 2606:4700:20::681a:b4d
  • 2606:4700:20::ac43:49c2
  • 2606:4700:20::681a:a4d

Mail Server IPs

  • 52.101.149.0 ↩ mail-sy2pr01cu00300.inbound.protection.outlook.com
  • 52.101.149.1 ↩ mail-sy8pr01cu00101.inbound.protection.outlook.com
  • 52.101.149.2 ↩ mail-sy5pr01cu00902.inbound.protection.outlook.com
  • 52.101.151.0 ↩ mail-meupr01cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:cc31::3 ↩ mail-sy2pr01cu00503.inbound.protection.outlook.com
  • 2a01:111:f403:cc31::1 ↩ mail-sy8pr01cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:cc33::1 ↩ mail-meupr01cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:cc33:: ↩ mail-meupr01cu00200.inbound.protection.outlook.com

SOA Record

Raw SOA aiden.ns.cloudflare.com dns.cloudflare.com 2397898456 10000 2400 604800 1800
Primary NS (mname)
aiden.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397898456
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

aiden.ns.cloudflare.com
jill.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:aus.o365.crossware.co.nz include:aus-k1.o365.crossware.co.nz include:spf.agiloft.com include:spf.smtp2go.com include:sendgrid.net include:servers.mcsv.net include:amazonses.com ip4:202.78.240.226 ip4:150.242.40.93 ip4:103.197.63.200 ip4:202.175.132.4 ip4:202.175.132.5 ip4:202.175.142.5 ip4:202.175.142.6 ip4:202.27.77.113 ip4:103.241.89.12 ip4:199.85.116.25 ip4:199.85.116.2 ip4:103.241.88.72 ip4:202.49.31.148 ip4:13.238.0.81 ip4:3.105.206.23 -all
📊 DNS lookups: 8/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 5 found
selector1._domainkey
selector2._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1

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

All TXT Records

13 records
  • apple-domain-verification=vLb6sVopQPprZU3a
  • MS=ms18559909
  • SPFv=spf1 include:spf.protection.outlook.com include:aus.o365.crossware.co.nz include:aus-k1.o365.crossware.co.nz include:spf.agiloft.com include:spf.smtp2go.com include:sendgrid.net include:servers.mcsv.net include:amazonses.com ip4:202.78.240.226 ip4:150.242.40.93 ip4:103.197.63.200 ip4:202.175.132.4 ip4:202.175.132.5 ip4:202.175.142.5 ip4:202.175.142.6 ip4:202.27.77.113 ip4:103.241.89.12 ip4:199.85.116.25 ip4:199.85.116.2 ip4:103.241.88.72 ip4:202.49.31.148 ip4:13.238.0.81 ip4:3.105.206.23 -all
  • google-site-verification=1W8oKqpIH-hdEdARlLOffBIVJR4t3F2cCT5nrX0k8gQ
  • atlassian-domain-verification=h3KL8eR2aDJlaP6CPFddJaOUAhpCDCb0lWfpgHMx+/ewRTAuOh4P6SP9+gtYSeL9
  • bw=C1XK55qOpNdn94oKta9QjK0Ch8LjZpEjPBvM6EKGkooJ
  • MS=E7847C798CAAB169027F4BB802D96FBCBB3FD493
  • cisco-ci-domain-verification=1abf73746a199220af937ed8d4a9ca1d65a4eac34fee192a0b53160ee8c89a00
  • Dynatrace-site-verification=c975a5b9-e092-4bbc-aa02-5f6e7c4e411d__2uscnmk2cmmlnardgehvi7pq8t
  • atlassian-sending-domain-verification=fd604556-f8d0-478c-b130-745e48c2c4e6
  • 5v37011dmcorv1uad4jqka39jr
  • iodch6msu34d7tnbto269ogddj
  • 1vp97l8h5tmjmu1pfi6mv1s1uh
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