telstra.com

Valid Email Server
Domain Lookup › telstra.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
telstra.com
Yes
✓ Yes
Unknown
No
Yes
⚠ Yes
No
No

Checked via [email protected] · 2026-04-01 17:30:01 UTC · ↺ Refresh

MX Hostnames

  • extmail.bigpond.com

MX Priorities

  • extmail.bigpond.com: 5

A / AAAA Records

  • 203.43.40.4 (no PTR)
  • 203.44.22.4 (no PTR)
  • 2001:8006:4::4 (no PTR)
  • 2001:8006:6::4 (no PTR)

Mail Server IPs

  • 203.42.40.138 ↩ extmail.bigpond.com
  • 203.42.22.10 ↩ extmail.bigpond.com

SOA Record

Raw SOA adns05.bigpond.com hostmaster.telstra.net 2026033101 7200 1800 7200000 900
Primary NS (mname)
adns05.bigpond.com
Admin Email (rname)
hostmaster@telstra.net
Serial
2026033101
Refresh
7200s
Retry
1800s
Expire
7200000s
Minimum TTL
900s

Nameservers (NS)

a2-65.akam.net
a3-65.akam.net
a11-66.akam.net
a1-185.akam.net
a18-64.akam.net
a28-66.akam.net
adns06.bigpond.com
adns05.bigpond.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:bigpond.com include:_spf.telstra.com.au include:_spf.ssoneweb.telstra.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; sp=reject; fo=1; ri=3600; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject

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

12 records
  • v=msv1 t=0e7908b22b23c044422816272eac96
  • _qlv5ag0a3pt2fm4k99qgyg2vxuplrse
  • z4c5xmbnrs0kymmtfl5z2rl6brvwgxtc
  • docusign=c3673003-ad55-4cfb-abb4-d2f4f793638f
  • QuoVadis=7103d96a-f526-48a2-9e02-b850d164fdcd
  • google-site-verification=P0bOLgC2iybqXN37OfIc2dK8F8LTBLeE_4SclfP-vFs
  • dhDkmN88W3ksg5qeEm5qtQ2mkw
  • QuoVadis=bac171fb-7b6a-4783-9958-f977f3e412ae
  • SPFv=spf1 include:bigpond.com include:_spf.telstra.com.au include:_spf.ssoneweb.telstra.com ~all
  • facebook-domain-verification=x79bt6dkfq3i6wrcvcwfv8utfyrwyv
  • docusign=2aab54e4-6d20-4027-a632-5c44fec09d12
  • z71j61j4l4tz0c8sshbfbnjrrwz9zvyg
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