mail.tiersigma.com - robtex.com

mail.tiersigma.com

DNSSEC⚠️ Not signed
A2604:2dc0:200:174f::1337🇺🇸 OVH2604:2dc0::/32
PTRmail.tiersigma.com
A51.81.166.79🇺🇸 OVH51.81.128.0/17 Hosting route

tiersigma.com

DNSSEC🔒 Signed (DS record present)
A2606:4700:3030::6815:419a🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::ac43:92b0🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.65.154Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.146.176🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScrystal.ns.cloudflare.com ⭐
NSfred.ns.cloudflare.com
MXmail.tiersigma.com ⭐
TXTv=spf1 a:mail.tiersigma.com -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.65.154, 172.67.146.176
IPv6 hints2606:4700:3030::6815:419a, 2606:4700:3034::ac43:92b0
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=190, name=cloudflare-ech.com
SOAcrystal.ns.cloudflare.comdns@cloudflare.com serial=2409735798
🔒 HSTS Preload (+subdomains)

PTR for

79.166.81.51.in-addr.arpa
7.3.3.1.0.0.0.0.0.0.0.0.0.0.0.0.f.4.7.1.0.0.2.0.0.c.d.2.4.0.6.2.ip6.arpa

MX for

tiersigma.com

Same first word

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DNS History

2 records (2 active, 0 former)

A2604:2dc0:200:174f::133751.81.166.79
●A2604:2dc0:200:174f::13372026-03-27 → 2026-07-18 · 2 obs
● 2026-03-27 09:33:00
● 2026-07-18 13:11:16
●A51.81.166.792026-03-27 → 2026-07-18 · 2 obs
● 2026-03-27 09:33:00
● 2026-07-18 13:11:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comk.gtld-servers.net, j.gtld-servers.net, f.gtld-servers.net, c.gtld-servers.net...-
tiersigma.comfred.ns.cloudflare.com, crystal.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.202

NS records: fred.ns.cloudflare.com, crystal.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 601ms | Queries: -

📄 Records

TypeCountSample Data
A151.81.166.79
AAAA12604:2dc0:200:174f::1337

📌 Glue Records Collected

Total: 12

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

Analysis

Mail Server Role

Mail for tiersigma.com is routed through the mail server mail.tiersigma.com.

IP Addresses

mail.tiersigma.com resolves to the IP addresses 51.81.166.79 and 2604:2dc0:200:174f::1337