`api.izonebook.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:4232^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::ac43:c91e^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.66.50^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.201.30^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.66.50, 172.67.201.30
		IPv6 hints	2606:4700:3030::6815:4232, 2606:4700:3032::ac43:c91e
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=3, name=cloudflare-ech.com

`izonebook.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:4232^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::ac43:c91e^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.66.50^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.201.30^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`arya.ns.cloudflare.com` ⭐
NS	`otto.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.66.50, 172.67.201.30
		IPv6 hints	2606:4700:3030::6815:4232, 2606:4700:3032::ac43:c91e
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=3, name=cloudflare-ech.com
SOA	`arya.ns.cloudflare.com`dns@cloudflare.com serial=2400682302

WOT: SAFE (34/100)
WOT: SUSPICIOUS (1/100)

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DNS History

13 records (4 active, 9 former)

○NSns100.rookdns.com2015-07-08 → 2016-07-09 · 4 obs

● 2015-07-08 19:03:14
● 2016-07-09 06:34:22
○ 2026-03-01 04:38:48
○ 2026-04-29 01:06:44

○NSns1626.ztomy.com2016-02-26 → 2016-07-09 · 5 obs

○ 2015-11-23 23:10:28
● 2016-02-26 06:14:44
● 2016-07-09 06:34:22
○ 2026-03-01 04:38:48
○ 2026-04-29 01:06:44

○NSns2626.ztomy.com2016-02-26 → 2016-07-09 · 5 obs

○ 2015-11-23 23:10:28
● 2016-02-26 06:14:44
● 2016-07-09 06:34:22
○ 2026-03-01 04:38:48
○ 2026-04-29 01:06:44

○NSns99.rookdns.com2015-07-08 → 2016-07-09 · 5 obs

● 2015-07-08 19:03:14
○ 2015-11-23 23:10:28
● 2016-07-09 06:34:22
○ 2026-03-01 04:38:48
○ 2026-04-29 01:06:44

○MXmail.mxproc.com2015-07-08 → 2015-07-08 · 3 obs

● 2015-07-08 19:03:14
○ 2015-11-23 23:10:28
○ 2026-04-29 01:06:44

●A104.21.66.502026-03-01 → 2026-04-29 · 6 obs

○ 2016-07-09 06:34:22
● 2026-03-01 04:38:48
● 2026-03-07 14:42:12
○ 2026-03-23 02:25:10
● 2026-03-23 09:16:02
● 2026-04-29 01:06:44

○A141.8.224.2392015-07-08 → 2015-07-08 · 3 obs

● 2015-07-08 19:03:14
○ 2015-11-23 23:10:28
○ 2026-04-29 01:06:44

○A172.64.80.12026-03-23 → 2026-03-23 · 4 obs

○ 2026-03-07 14:42:12
● 2026-03-23 02:25:10
○ 2026-03-23 09:16:02
○ 2026-04-29 01:06:44

●A172.67.201.302026-03-01 → 2026-04-29 · 6 obs

○ 2016-07-09 06:34:22
● 2026-03-01 04:38:48
● 2026-03-07 14:42:12
○ 2026-03-23 02:25:10
● 2026-03-23 09:16:02
● 2026-04-29 01:06:44

○A204.11.56.482016-02-26 → 2016-07-09 · 5 obs

○ 2015-11-23 23:10:28
● 2016-02-26 06:14:44
● 2016-07-09 06:34:22
○ 2026-03-01 04:38:48
○ 2026-04-29 01:06:44

●A2606:4700:3030::6815:42322026-03-01 → 2026-04-29 · 3 obs

○ 2016-07-09 06:34:22
● 2026-03-01 04:38:48
● 2026-04-29 01:06:44

●A2606:4700:3032::ac43:c91e2026-03-01 → 2026-04-29 · 3 obs

○ 2016-07-09 06:34:22
● 2026-03-01 04:38:48
● 2026-04-29 01:06:44

○A50.63.202.632015-11-23 → 2015-11-23 · 4 obs

○ 2015-07-08 19:03:14
● 2015-11-23 23:10:28
○ 2016-02-26 06:14:44
○ 2026-04-29 01:06:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net...	-
izonebook.com	arya.ns.cloudflare.com, otto.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.70

NS records: arya.ns.cloudflare.com, otto.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for izonebook.com (unsigned zone)

⏱️ Timing

Total: 184ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.201.30, 104.21.66.50`
AAAA	2	`2606:4700:3032::ac43:c91e, 2606:4700:3030::6815:4232`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

api.izonebook.com refers to four IP numbers: 2606:4700:3030::6815:4232, 2606:4700:3032::ac43:c91e, 104.21.66.50 and 172.67.201.30.

Other host names, for instance singerreimagined.com, mail.gyemantnyelviskola.hu, sparkstellarbase.click, mail.nvle.org and blackandgood.com share IP numbers with api.izonebook.com.

api.izonebook.com - robtex.com