htk.com

Valid Email Server
Domain Lookup › htk.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
htk.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-19 00:39:54 UTC · ↺ Refresh

MX Hostnames

  • mxa-00034b01.gslb.pphosted.com
  • mxb-00034b01.gslb.pphosted.com

MX Priorities

  • mxa-00034b01.gslb.pphosted.com: 10
  • mxb-00034b01.gslb.pphosted.com: 20

A / AAAA Records

  • 98.80.16.97 ↩ ec2-98-80-16-97.compute-1.amazonaws.com
  • 100.25.200.80 ↩ ec2-100-25-200-80.compute-1.amazonaws.com

Mail Server IPs

  • 67.231.152.105 ↩ mx0b-00034b01.pphosted.com

SOA Record

Raw SOA ns-1253.awsdns-28.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1253.awsdns-28.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1950.awsdns-51.co.uk
ns-434.awsdns-54.com
ns-816.awsdns-38.net
ns-1253.awsdns-28.org

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf-00034b01.pphosted.com include:email01.fmgsuite.com include:spf.constantcontact.com ip4:173.252.183.4 ip4:173.252.183.81 ip4:173.252.183.86 ip4:64.14.252.109 ip4:169.54.162.86 ip4:169.54.162.87 ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected];fo=1
✓ 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

5 records
  • duo_sso_verification=K0TeesViCUqgJUWrTawCOSRg91z5keRbwtiIKiP5Tq0iYw8pSlpZnlYrGQRwaMNU
  • miro-verification=cf5640b2f56b825f49d5e9ca9c47da2894114e26
  • SPFv=spf1 include:spf-00034b01.pphosted.com include:email01.fmgsuite.com include:spf.constantcontact.com ip4:173.252.183.4 ip4:173.252.183.81 ip4:173.252.183.86 ip4:64.14.252.109 ip4:169.54.162.86 ip4:169.54.162.87 ~all
  • zscaler-verification-132989128-8292025-Xe9qWmB35
  • MS=ms63525052
Full email verification for htk.com

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