nksfb.com

Valid Email Server
Domain Lookup › nksfb.com

Domain Overview

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

Checked via [email protected] · 2026-03-25 21:37:58 UTC · ↺ Refresh

MX Hostnames

  • mxa-002d1f01.gslb.pphosted.com
  • mxb-002d1f01.gslb.pphosted.com

MX Priorities

  • mxa-002d1f01.gslb.pphosted.com: 10
  • mxb-002d1f01.gslb.pphosted.com: 10

A / AAAA Records

  • 104.199.114.53 ↩ 53.114.199.104.bc.googleusercontent.com

Mail Server IPs

  • 148.163.155.118 ↩ mx0b-002d1f01.pphosted.com
  • 148.163.151.170 ↩ mx0a-002d1f01.pphosted.com

SOA Record

Raw SOA ns21.worldnic.com namehost.worldnic.com 126031616 10800 3600 604800 3600
Primary NS (mname)
ns21.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126031616
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns21.worldnic.com
ns22.worldnic.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:216.200.151.96 ip4:216.200.241.80 ip4:149.72.147.186 ip4:167.89.101.239 ip4:168.245.40.44 ip4:142.0.180.120 ip4:65.218.199.241 ip4:64.80.159.70 ip4:98.154.16.163 ip4:64.124.71.154 ip4:24.187.200.29 include:spf.protection.outlook.com include:spf-002d1f01.pphosted.com include:spf.emailsignatures365.com include:spf.mandrillapp.com include:eef72459-spf.mta.tessian-gw.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 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

17 records
  • l8f8ack5e54pts92or5fds7tpe
  • 4ckhjmhmvo4h5obc66ivuugka8
  • oumasbglr2hiokmde8sl0p2foe
  • dropbox-domain-verification=592jy6u2gpza
  • 665ff734-5503-42c6-ab93-3e3f9aa374c6
  • MS=ms33790226
  • gpe4hb1s5hdjs21k8pc2emus07
  • 4c793abc-307c-4dff-bd67-6303c8b976ee
  • 15eeb90a-827c-490f-b959-3596267ddcd5
  • royaltyport-domain-verification-61vnxp=5vijexLUoSoWt9NOk4Sbpf7Wf
  • SPFv=spf1 ip4:216.200.151.96 ip4:216.200.241.80 ip4:149.72.147.186 ip4:167.89.101.239 ip4:168.245.40.44 ip4:142.0.180.120 ip4:65.218.199.241 ip4:64.80.159.70 ip4:98.154.16.163 ip4:64.124.71.154 ip4:24.187.200.29 include:spf.protection.outlook.com include:spf-002d1f01.pphosted.com include:spf.emailsignatures365.com include:spf.mandrillapp.com include:eef72459-spf.mta.tessian-gw.com -all
  • docusign=b6c52776-22fa-49a6-a151-17df21365f32
  • rdhck3ejnm9lgkc4kldknuskt5
  • google-site-verification=qjj80aUFzm_Zmmo3nAFeGRM5jbN3jFFpmI-18fLRNg4
  • 4257t5u2jqnsp7po27f65qbugg
  • c0282siodid7n70rgbetm7184h
  • box-domain-verification=dc7b104f83b35bc9466e94c5153e603d2992a2d2b80aa5be43149de8d7ea33fc
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