code.atmtec.org.br - dns.ninja

`code.atmtec.org.br`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:1f1b^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:aeae^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.31.27^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.174.174^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.31.27, 172.67.174.174
		IPv6 hints	2606:4700:3034::6815:1f1b, 2606:4700:3036::ac43:aeae

`atmtec.org.br`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:1f1b^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:aeae^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.31.27^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.174.174^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`bowen.ns.cloudflare.com` ⭐
NS	`lindsey.ns.cloudflare.com`
MX	`smx02atm.atmhost.net.br` ⭐
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.31.27, 172.67.174.174
		IPv6 hints	2606:4700:3034::6815:1f1b, 2606:4700:3036::ac43:aeae
SOA	`bowen.ns.cloudflare.com`dns@cloudflare.com serial=2411468560

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DNS History

9 records (4 active, 5 former)

●A104.21.31.272026-04-25 → 2026-08-09 · 5 obs

● 2026-04-25 04:00:26
● 2026-04-29 14:52:20
○ 2026-05-15 03:53:06
● 2026-05-23 15:03:14
● 2026-08-09 18:01:08

●A172.67.174.1742026-04-25 → 2026-08-09 · 5 obs

● 2026-04-25 04:00:26
● 2026-04-29 14:52:20
○ 2026-05-15 03:53:06
● 2026-05-23 15:03:14
● 2026-08-09 18:01:08

○A188.114.96.02026-05-15 → 2026-05-15 · 4 obs

○ 2026-04-29 14:52:20
● 2026-05-15 03:53:06
○ 2026-05-23 15:03:14
○ 2026-08-09 18:01:08

○A188.114.97.02026-05-15 → 2026-05-15 · 4 obs

○ 2026-04-29 14:52:20
● 2026-05-15 03:53:06
○ 2026-05-23 15:03:14
○ 2026-08-09 18:01:08

●A2606:4700:3034::6815:1f1b2026-08-09 → 2026-08-09 · 3 obs

○ 2026-06-15 20:26:08
● 2026-08-09 18:01:06
● 2026-08-09 18:01:08

○A2606:4700:3035::6815:1f1b2026-04-25 → 2026-06-15 · 7 obs

● 2026-04-25 04:00:26
● 2026-04-29 14:52:20
○ 2026-05-15 03:53:06
● 2026-05-23 15:03:14
● 2026-06-15 20:26:08
○ 2026-08-09 18:01:06
○ 2026-08-09 18:01:08

●A2606:4700:3036::ac43:aeae2026-04-25 → 2026-08-09 · 5 obs

● 2026-04-25 04:00:26
● 2026-04-29 14:52:20
○ 2026-05-15 03:53:06
● 2026-05-23 15:03:14
● 2026-08-09 18:01:08

○A2a06:98c1:3120::2026-05-15 → 2026-05-15 · 4 obs

○ 2026-04-29 14:52:20
● 2026-05-15 03:53:06
○ 2026-05-23 15:03:14
○ 2026-08-09 18:01:08

○A2a06:98c1:3121::2026-05-15 → 2026-05-15 · 4 obs

○ 2026-04-29 14:52:20
● 2026-05-15 03:53:06
○ 2026-05-23 15:03:14
○ 2026-08-09 18:01:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	a.dns.br, b.dns.br, c.dns.br, d.dns.br...	-
atmtec.org.br	lindsey.ns.cloudflare.com, bowen.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.35.83

NS records: lindsey.ns.cloudflare.com, bowen.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for atmtec.org.br (unsigned zone)

⏱️ Timing

Total: 2096ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.174.174, 104.21.31.27`
AAAA	2	`2606:4700:3036::ac43:aeae, 2606:4700:3034::6815:1f1b`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

Analysis

IP Addresses

code.atmtec.org.br directs to four IP numbers, which are 104.21.31.27, 172.67.174.174, 2606:4700:3034::6815:1f1b and 2606:4700:3036::ac43:aeae.

chessmix.de, geoglobalbase.buzz, aresinteractivemedia.com plus two other host names have IP numbers in common with code.atmtec.org.br.