api.installsmtp.sbs - robtex.com

api.installsmtp.sbs

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:10fe🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:d9c1🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.16.254Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.217.193🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.16.254, 172.67.217.193
IPv6 hints2606:4700:3032::6815:10fe, 2606:4700:3035::ac43:d9c1
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=99, name=cloudflare-ech.com

installsmtp.sbs

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:10fe🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:d9c1🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.16.254Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.217.193🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSchan.ns.cloudflare.com ⭐
NSryan.ns.cloudflare.com
MX_dc-mx.89039c740c0e.installsmtp.sbs ⭐
TXTv=spf1 ip4:72.61.40.121 -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.16.254, 172.67.217.193
IPv6 hints2606:4700:3032::6815:10fe, 2606:4700:3035::ac43:d9c1
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=99, name=cloudflare-ech.com
SOAchan.ns.cloudflare.comdns@cloudflare.com serial=2410828104

Same first word

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DNS History

4 records (4 active, 0 former)

A104.21.16.254172.67.217.1932606:4700:3032::6815:10fe2606:4700:3035::ac43:d9c1
●A104.21.16.2542026-07-22 → 2026-08-09 · 2 obs
● 2026-07-22 15:37:22
● 2026-08-09 17:24:04
●A172.67.217.1932026-07-22 → 2026-08-09 · 2 obs
● 2026-07-22 15:37:22
● 2026-08-09 17:24:04
●A2606:4700:3032::6815:10fe2026-07-22 → 2026-08-09 · 2 obs
● 2026-07-22 15:37:22
● 2026-08-09 17:24:04
●A2606:4700:3035::ac43:d9c12026-07-22 → 2026-08-09 · 2 obs
● 2026-07-22 15:37:22
● 2026-08-09 17:24:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
sbsc.nic.sbs, d.nic.sbs, a.nic.sbs, b.nic.sbs8 records
installsmtp.sbschan.ns.cloudflare.com, ryan.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.58.82

NS records: chan.ns.cloudflare.com, ryan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for installsmtp.sbs (unsigned zone)

⏱️ Timing

Total: 347ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.217.193, 104.21.16.254
AAAA22606:4700:3032::6815:10fe, 2606:4700:3035::ac43:d9c1
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (d.nic.sbs, c.nic.sbs, b.nic.sbs...)

Analysis

IP Addresses

api.installsmtp.sbs resolves to four IP addresses: 104.21.16.254, 172.67.217.193, 2606:4700:3032::6815:10fe and 2606:4700:3035::ac43:d9c1.

Among the host names that share IP numbers with api.installsmtp.sbs are 333777a.com, game.fanjugou12.top, dx008.dw77x.store and two others.