smtp.ipsubnetzero.com - robtex.com

smtp.ipsubnetzero.com

DNSSEC⚠️ Not signed

ipsubnetzero.com

DNSSEC⚠️ Not signed
A2606:4700:3034::ac43:9486🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:b49🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.11.73Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.148.134🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSlinda.ns.cloudflare.com ⭐
NSrob.ns.cloudflare.com
MXaspmx.l.google.com ⭐
MXalt1.aspmx.l.google.com(20)
MXalt2.aspmx.l.google.com(30)
MXaspmx2.googlemail.com(40)
MXaspmx3.googlemail.com(50)
TXTamazon-business-verification=aa42ab99e33d00ca0e25eddb37f8afcf690c5464acbfb303...
TXTv=DMARC1; p=none; rua=mailto:support@ipsubnetzero.com;
TXTv=spf1 mx include:_spf.google.com -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.11.73, 172.67.148.134
IPv6 hints2606:4700:3034::ac43:9486, 2606:4700:3036::6815:b49
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=118, name=cloudflare-ech.com
SOAlinda.ns.cloudflare.comdns@cloudflare.com serial=2406286879

MX for

rt.ipsubnetzero.com

Same first word

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pmst.cz

DNS History

1 record (0 active, 1 former)

20162017201820192020202120222023202420252026A38.83.74.133
○A38.83.74.1332015-05-20 → 2016-07-21 · 4 obs
● 2015-05-20 00:15:22
● 2016-07-21 07:44:02
○ 2026-04-03 03:38:18
○ 2026-07-15 10:54:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
ipsubnetzero.comrob.ns.cloudflare.com, linda.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.140

NS records: rob.ns.cloudflare.com, linda.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ipsubnetzero.com (unsigned zone)

⏱️ Timing

Total: 106ms | Queries: -

📄 Records

TypeCountSample Data

📌 Glue Records Collected

Total: 12

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