mail.btrb.com - robtex.com

mail.btrb.com

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:606d🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:b117🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.96.109Cloudflare104.21.96.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.177.23🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.96.109, 172.67.177.23
IPv6 hints2606:4700:3034::6815:606d, 2606:4700:3035::ac43:b117
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=42, name=cloudflare-ech.com

btrb.com

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:606d🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:b117🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.96.109Cloudflare104.21.96.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.177.23🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSkia.ns.cloudflare.com ⭐
NSmatt.ns.cloudflare.com
MXroute2.mx.cloudflare.net ⭐
MXroute1.mx.cloudflare.net(37)
MXroute3.mx.cloudflare.net(98)
TXTv=spf1 include:_spf.mx.cloudflare.net ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.96.109, 172.67.177.23
IPv6 hints2606:4700:3034::6815:606d, 2606:4700:3035::ac43:b117
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=42, name=cloudflare-ech.com
SOAkia.ns.cloudflare.comdns@cloudflare.com serial=2398012868

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DNS History

9 records (4 active, 5 former)

202120222023202420252026A104.21.96.109172.67.177.232606:4700:3034::6815:606d2606:4700:3035::ac43:b117188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::CNAMEpop.secureserver.net
●A104.21.96.1092026-03-01 → 2026-04-15 · 4 obs
● 2026-03-01 00:37:24
○ 2026-03-02 12:13:12
● 2026-03-28 06:53:10
● 2026-04-15 00:52:14
●A172.67.177.232026-03-01 → 2026-04-15 · 4 obs
● 2026-03-01 00:37:24
○ 2026-03-02 12:13:12
● 2026-03-28 06:53:10
● 2026-04-15 00:52:14
○A188.114.96.02026-03-02 → 2026-03-02 · 4 obs
○ 2026-03-01 00:37:24
● 2026-03-02 12:13:12
○ 2026-03-28 06:53:10
○ 2026-04-15 00:52:14
○A188.114.97.02026-03-02 → 2026-03-02 · 4 obs
○ 2026-03-01 00:37:24
● 2026-03-02 12:13:12
○ 2026-03-28 06:53:10
○ 2026-04-15 00:52:14
●A2606:4700:3034::6815:606d2026-03-01 → 2026-04-15 · 4 obs
● 2026-03-01 00:37:24
○ 2026-03-02 12:13:12
● 2026-03-28 06:53:10
● 2026-04-15 00:52:14
●A2606:4700:3035::ac43:b1172026-03-01 → 2026-04-15 · 4 obs
● 2026-03-01 00:37:24
○ 2026-03-02 12:13:12
● 2026-03-28 06:53:10
● 2026-04-15 00:52:14
○A2a06:98c1:3120::2026-03-02 → 2026-03-02 · 4 obs
○ 2026-03-01 00:37:24
● 2026-03-02 12:13:12
○ 2026-03-28 06:53:10
○ 2026-04-15 00:52:14
○A2a06:98c1:3121::2026-03-02 → 2026-03-02 · 4 obs
○ 2026-03-01 00:37:24
● 2026-03-02 12:13:12
○ 2026-03-28 06:53:10
○ 2026-04-15 00:52:14
○CNAMEpop.secureserver.net2020-04-14 → 2020-04-14 · 3 obs
● 2020-04-14 20:56:38
○ 2026-03-01 00:37:24
○ 2026-04-15 00:52:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comk.gtld-servers.net, h.gtld-servers.net, g.gtld-servers.net, j.gtld-servers.net...-
btrb.commatt.ns.cloudflare.com, kia.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.131

NS records: matt.ns.cloudflare.com, kia.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for btrb.com (unsigned zone)

⏱️ Timing

Total: 122ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.96.109, 172.67.177.23
AAAA22606:4700:3035::ac43:b117, 2606:4700:3034::6815:606d
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mail.btrb.com points to four IP numbers: 2606:4700:3034::6815:606d, 2606:4700:3035::ac43:b117, 104.21.96.109 and 172.67.177.23.

Other host names including aptition.com, adlerbrokers.com.pl, marsclubofparis.com, newjoy.com.tr and ormas1885-3g.site share IP numbers with mail.btrb.com.