frontierutilities.com

Valid Email Server
Domain Lookup › frontierutilities.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
frontierutilities.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-28 05:01:13 UTC · ↺ Refresh

MX Hostnames

  • mxb-00510c01.gslb.pphosted.com
  • mxa-00510c01.gslb.pphosted.com

MX Priorities

  • mxa-00510c01.gslb.pphosted.com: 10
  • mxb-00510c01.gslb.pphosted.com: 10

A / AAAA Records

  • 206.126.57.205 ↩ 206-126-57-205.static.nstci.net

Mail Server IPs

  • 205.220.179.122 ↩ mx0b-00510c01.pphosted.com
  • 205.220.167.122 ↩ mx0a-00510c01.pphosted.com

SOA Record

Raw SOA ns71.domaincontrol.com dns.jomax.net 2026021700 28800 7200 604800 600
Primary NS (mname)
ns71.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026021700
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns72.domaincontrol.com
ns71.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 mx ip4:206.126.57.206 ip4:206.126.57.202 ip4:206.126.57.205 ip4:206.126.57.203 ip4:139.138.129.115 ip4:139.138.133.179 ip4:139.138.133.181 ip4:66.194.81.50 ip4:216.81.43.80 ip4:38.70.64.73 ip4:66.194.81.2 ip4:155.109.0.0/16 ip4:161.154.0.0/16 ip4:204.92.49.0/24 ip4:44.215.161.29 ip4:44.216.252.45 ip4:208.81.212.0/22 include:spf-00510c01.pphosted.com include:amazonses.com include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict 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

8 records
  • google-site-verification=gZzlB7rnS-cN7r5-W9KcfShUwyspUws22tyYM-9hql4
  • google-site-verification=TOcwdg0aDQEy60gOSzQ-V-QV1gEmBTE7CS0geA3sR7A
  • facebook-domain-verification=lz2zdyi48ne054tu0dfalx2qpxq7wl
  • MS=74E97A290D65CDFB0D25ADDEA8595F9E3817995A
  • MS=ms90569351
  • SPFv=spf1 mx ip4:206.126.57.206 ip4:206.126.57.202 ip4:206.126.57.205 ip4:206.126.57.203 ip4:139.138.129.115 ip4:139.138.133.179 ip4:139.138.133.181 ip4:66.194.81.50 ip4:216.81.43.80 ip4:38.70.64.73 ip4:66.194.81.2 ip4:155.109.0.0/16 ip4:161.154.0.0/16 ip4:204.92.49.0/24 ip4:44.215.161.29 ip4:44.216.252.45 ip4:208.81.212.0/22 include:spf-00510c01.pphosted.com include:amazonses.com include:spf.protection.outlook.com -all
  • amazonses:BXMgfwIURung3n7gug7kPyDcwOH/IrgUB/bvr+Fu1qE=
  • QpF98lB31oYXOxmPI9atrt7rxaVdta8XGaw9joT81S6+YW8BvV/9abYVHntEAFCCFLP3peV3DNZfdv8Ca+s6vg==
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