`mail.testzone.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:817f^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:19e^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.64.80.1^{🇺🇸 Cloudflare172.64.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ⚠ Not in HTTPS hints
HTTPS	HTTP/3, HTTP/2 ⚠ 1 unhinted📌 2 extra
		IPv4	104.21.1.158, 172.67.129.127
		IPv6	2606:4700:3031::ac43:817f, 2606:4700:3036::6815:19e

`testzone.org`

DNSSEC	⚠️ Not signed
A	2606:4700:130:436c:6f75:6466:6c61:7265^{🇺🇸 Cloudflare2606:4700:130::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.1.158^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ⚠ Not in HTTPS hints
A	172.67.129.127^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ⚠ Not in HTTPS hints
NS	`dean.ns.cloudflare.com` ⭐
NS	`mckinley.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ⚠ 2 unhinted📌 1 extra
		IPv4	172.64.80.1
		IPv6	2606:4700:130:436c:6f75:6466:6c61:7265
SOA	`dean.ns.cloudflare.com`dns@cloudflare.com serial=2398303492

Same first word

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DNS History

5 records (3 active, 2 former)

○A104.21.1.1582026-03-17 → 2026-03-17 · 2 obs

● 2026-03-17 08:21:32
○ 2026-03-22 14:50:54

●A172.64.80.12026-03-22 → 2026-03-22 · 2 obs

○ 2026-03-17 08:21:32
● 2026-03-22 14:50:54

○A172.67.129.1272026-03-17 → 2026-03-17 · 2 obs

● 2026-03-17 08:21:32
○ 2026-03-22 14:50:54

●A2606:4700:3031::ac43:817f2026-03-17 → 2026-03-22 · 2 obs

● 2026-03-17 08:21:32
● 2026-03-22 14:50:54

●A2606:4700:3036::6815:19e2026-03-17 → 2026-03-22 · 2 obs

● 2026-03-17 08:21:32
● 2026-03-22 14:50:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, d0.org.afilias-nst.org, b2.org.afilias-nst.org	-
testzone.org	mckinley.ns.cloudflare.com, dean.ns.cloudflare.com	-

✅ Authoritative Response

Server: 162.159.38.73

NS records: mckinley.ns.cloudflare.com, dean.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for testzone.org (unsigned zone)

⏱️ Timing

Total: 322ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`172.64.80.1`
AAAA	2	`2606:4700:3036::6815:19e, 2606:4700:3031::ac43:817f`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

Analysis

IP Addresses

mail.testzone.org resolves to three IP numbers: 2606:4700:3031::ac43:817f, 2606:4700:3036::6815:19e and 172.64.80.1.

Other host names, for instance budapestpride.hu, efru.cn, hard-pc.pl, testvich.ru and bank-argumentov.info share IP numbers with mail.testzone.org.

mail.testzone.org - robtex.com