is-engineers.com

Valid Email Server
Domain Lookup › is-engineers.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
is-engineers.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-22 00:53:43 UTC · ↺ Refresh

MX Hostnames

  • txdal11mx03.parsons.com
  • vaste02mx06.parsons.com
  • txdal11mx05.parsons.com
  • txdal11mx02.parsons.com
  • vaste02mx07.parsons.com
  • txdal11mx04.parsons.com

MX Priorities

  • txdal11mx03.parsons.com: 5
  • txdal11mx04.parsons.com: 5
  • txdal11mx05.parsons.com: 5
  • vaste02mx06.parsons.com: 5
  • vaste02mx07.parsons.com: 5
  • txdal11mx02.parsons.com: 5

A / AAAA Records

  • 76.223.77.191 ↩ a86f679e466955345.awsglobalaccelerator.com
  • 13.248.212.3 ↩ a86f679e466955345.awsglobalaccelerator.com

Mail Server IPs

  • 206.219.199.111 ↩ txdal11mx03.parsons.com
  • 206.219.199.114 ↩ txdal11mx04.parsons.com
  • 206.219.199.115 ↩ txdal11mx05.parsons.com
  • 206.219.199.116 ↩ vaste02mx06.parsons.com
  • 206.219.199.117 ↩ vaste02mx07.parsons.com

SOA Record

Raw SOA ns-1278.awsdns-31.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1278.awsdns-31.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1914.awsdns-47.co.uk
ns-355.awsdns-44.com
ns-834.awsdns-40.net
ns-1278.awsdns-31.org

SPF Record

✓ Soft Fail (~all)
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

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

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

4 records
  • MS=ms18837481
  • TXTvalue
  • SPFv=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
  • MS=A6472AA89A7684A6FD00148CDF23A4E9C4048D98
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