mail.perfectmathsat.com - robtex.com

mail.perfectmathsat.com

DNSSEC⚠️ Not signed
A89.167.17.248🇩🇪 Hetzner89.167.0.0/17 HETZNER-DC
PTRserver1.webfuran.com

perfectmathsat.com

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:9e1d🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:e3e🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.14.62Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.158.29🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSkatelyn.ns.cloudflare.com ⭐
NSnikon.ns.cloudflare.com
MXmail.perfectmathsat.com ⭐
TXT_globalsign-domain-verification=-18u-WgPlYFGYVi_pUwDT-uAp9TbRsKEhQJL-U1atk
TXTgoogle-site-verification=QdI651CJM59pO7e-38B4j872PNL6fCAymK_SzkhHiKA
TXTv=spf1 +a +mx +ip4:50.87.227.183 +ip4:67.20.88.101 +include:websitewelcome.co...
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.14.62, 172.67.158.29
IPv6 hints2606:4700:3031::ac43:9e1d, 2606:4700:3034::6815:e3e
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=250, name=cloudflare-ech.com
SOAkatelyn.ns.cloudflare.comdns@cloudflare.com serial=2401144273

MX for

perfectmathsat.com

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DNS History

1 record (1 active, 0 former)

A89.167.17.248
●A89.167.17.2482026-04-10 → 2026-04-13 · 2 obs
● 2026-04-10 07:46:24
● 2026-04-13 06:39:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comj.gtld-servers.net, h.gtld-servers.net, k.gtld-servers.net, d.gtld-servers.net...-
perfectmathsat.comkatelyn.ns.cloudflare.com, nikon.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.235

NS records: katelyn.ns.cloudflare.com, nikon.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for perfectmathsat.com (unsigned zone)

⏱️ Timing

Total: 93ms | Queries: -

📄 Records

TypeCountSample Data
A189.167.17.248

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (katelyn.ns.cloudflare.com, katelyn.ns.cloudflare.com, katelyn.ns.cloudflare.com...)

Analysis

Mail Server Role

mail.perfectmathsat.com acts as a mail server for perfectmathsat.com.

IP Addresses

mail.perfectmathsat.com points to a single IP number: 89.167.17.248.