istc.net

Valid Email Server
Live data โ€” DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: โšก live Checker: โšก live
istc.net
Yes
โœ“ Yes
Unknown
No
No
โš  Yes
No
No
Did you mean: [email protected]

Checked via [email protected] ยท 2026-05-20 23:49:20 UTC ยท โ†บ Refresh

MX Hostnames

  • mail.istc.net

MX Priorities

No priority data.

A / AAAA Records

  • 12.108.185.198

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

ns51.worldnic.com
ns52.worldnic.com

SPF Record

โœ“ Soft Fail (~all)
v=spf1 a:web.icohere.com ip4:12.108.185.193/27 ip4:50.84.239.1/27 include:monitoring.atlas.istc.net include:spf.hasc.com ~all
๐Ÿ“Š DNS lookups: 3/10
~ Soft fail (~all) โ€” moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; pct=100; aspf=s
~ Quarantine โ€” good protection (failing mail goes to spam)
๐Ÿ“‹ SPF alignment: Strict ยท DKIM alignment: Relaxed
โš  No aggregate reports (rua= not set)

DKIM Selectors

โœ“ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
โš  Public key (p=) missing in DKIM record for selector google.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

4 records
  • MS=ms71020168
  • google-site-verification=wq04_iFeEqcu-Lm8lnYvoka3JjCg0-oy9_Vra53Qa6A
  • zjpd8bgjh0jrt2zfd2jv4tq75kpxslgf
  • SPFv=spf1 a:web.icohere.com ip4:12.108.185.193/27 ip4:50.84.239.1/27 include:monitoring.atlas.istc.net include:spf.hasc.com ~all
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