`vo4.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:38c^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:82cd^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.3.140^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.130.205^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`naya.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26f2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`naya.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2f2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`naya.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22f2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`naya.ns.cloudflare.com`
		A	108.162.194.242^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`naya.ns.cloudflare.com`
		A	162.159.38.242^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`naya.ns.cloudflare.com`
		A	172.64.34.242^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`naya.ns.cloudflare.com`
NS	`nitin.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bd7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nitin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1d7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nitin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21d7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nitin.ns.cloudflare.com`
		A	108.162.193.215^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nitin.ns.cloudflare.com`
		A	172.64.33.215^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nitin.ns.cloudflare.com`
		A	173.245.59.215^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nitin.ns.cloudflare.com`
MX	`mx1.feishu.cn` ⭐
		A	52.220.106.220^{🇸🇬 Amazon52.220.0.0/15 SIN prefix}
			PTR	`ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com`
MX	`mx2.feishu.cn`⁽⁵⁾
		A	101.126.58.225^{🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	122.14.229.0^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
MX	`mx3.feishu.cn`⁽¹⁰⁾
		A	52.220.106.220^{🇸🇬 Amazon52.220.0.0/15 SIN prefix}
			PTR	`ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com`
		A	101.126.58.225^{🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	122.14.229.0^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
TXT	`google-site-verification=Q-PGe9zwSHNeJwto6m585p6ACfbviAaB2EW1h27RllY`
TXT	`v=spf1 +include:_netblocks.m.feishu.cn -all`
TXT	`verification-code-site-App_feishu=DPgl8RakA6E6MYwlfHvW`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.3.140, 172.67.130.205
		IPv6 hints	2606:4700:3031::6815:38c, 2606:4700:3034::ac43:82cd
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=222, name=cloudflare-ech.com
SOA	`naya.ns.cloudflare.com`dns@cloudflare.com serial=2408495841

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1784301050

Same first word

vo4.nl

vo4.com

vo4.xyz

vo4.me

vo4.org

vo4.ru

vo4.co.uk

Similar names

4vo.de

ov4.ru

v4o.org

ov4.one

4vo.ru

4ov.cc

4vo.cn

v4o.com

v4o.ru

v4o.de

4ov.com

ov4.net

4vo.fr

4vo.net

ov4.com

ov4.workers.dev

o4v.com

4vo.com

o4v.de

ov4.de

DNS History

13 records (9 active, 4 former)

●NSnaya.ns.cloudflare.com2026-06-23 → 2026-07-17 · 3 obs

○ 2016-05-21 22:05:54
● 2026-06-23 07:17:10
● 2026-07-17 16:04:38

●NSnitin.ns.cloudflare.com2026-06-23 → 2026-07-17 · 3 obs

○ 2016-05-21 22:05:54
● 2026-06-23 07:17:10
● 2026-07-17 16:04:38

○NSns1.uzun.us2016-05-21 → 2016-05-21 · 3 obs

● 2016-05-21 22:05:54
○ 2026-06-23 07:17:10
○ 2026-07-17 16:04:38

○NSns2.uzun.us2016-05-21 → 2016-05-21 · 3 obs

● 2016-05-21 22:05:54
○ 2026-06-23 07:17:10
○ 2026-07-17 16:04:38

○MXmail.vo4.org2016-05-21 → 2016-05-21 · 3 obs

● 2016-05-21 22:05:54
○ 2026-06-23 07:17:10
○ 2026-07-17 16:04:38

●MXmx1.feishu.cn2026-06-23 → 2026-07-17 · 3 obs

○ 2016-05-21 22:05:54
● 2026-06-23 07:17:10
● 2026-07-17 16:04:38

●MXmx2.feishu.cn2026-06-23 → 2026-07-17 · 3 obs

○ 2016-05-21 22:05:54
● 2026-06-23 07:17:10
● 2026-07-17 16:04:38

●MXmx3.feishu.cn2026-06-23 → 2026-07-17 · 3 obs

○ 2016-05-21 22:05:54
● 2026-06-23 07:17:10
● 2026-07-17 16:04:38

●A104.21.3.1402026-06-23 → 2026-07-17 · 3 obs

○ 2016-05-21 22:05:54
● 2026-06-23 07:17:10
● 2026-07-17 16:04:38

●A172.67.130.2052026-06-23 → 2026-07-17 · 3 obs

○ 2016-05-21 22:05:54
● 2026-06-23 07:17:10
● 2026-07-17 16:04:38

○A212.129.31.582016-05-21 → 2016-05-21 · 3 obs

● 2016-05-21 22:05:54
○ 2026-06-23 07:17:10
○ 2026-07-17 16:04:38

●A2606:4700:3031::6815:38c2026-06-23 → 2026-07-17 · 3 obs

○ 2016-05-21 22:05:54
● 2026-06-23 07:17:10
● 2026-07-17 16:04:38

●A2606:4700:3034::ac43:82cd2026-06-23 → 2026-07-17 · 3 obs

○ 2016-05-21 22:05:54
● 2026-06-23 07:17:10
● 2026-07-17 16:04:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org	-
vo4.org	nitin.ns.cloudflare.com, naya.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.215

NS records: nitin.ns.cloudflare.com, naya.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for vo4.org (unsigned zone)

⏱️ Timing

Total: 515ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.3.140, 172.67.130.205`
AAAA	2	`2606:4700:3031::6815:38c, 2606:4700:3034::ac43:82cd`
NS	2	`naya.ns.cloudflare.com, nitin.ns.cloudflare.com`
MX	3	`mx1.feishu.cn (pri: 1), mx3.feishu.cn (pri: 10)...`
TXT	3	`google-site-verification=Q-PGe9zwSHNeJwt, v=spf1 +include:_netblocks.m.feishu.cn -...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`naya.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

vo4.org points to the four IP addresses 104.21.3.140, 172.67.130.205, 2606:4700:3031::6815:38c and 2606:4700:3034::ac43:82cd.

Two other host names, along with mail.recrutement-dekra.fr, berry.se and dewaplay.space, also share IP numbers with vo4.org.

Name Servers

vo4.org is served by two delegated name servers, naya.ns.cloudflare.com and nitin.ns.cloudflare.com.

vo4.org shares its NS records with other domains, for example extranews.site, scarvaci.com, manbu.shop and two others.

The name servers of vo4.org overlap at least partially with those of other domains — among them resumesfeedsearch.com, radios.com.pa, dutamovie21.org and two more.

These name servers commonly appear in combination with the name servers rory.ns.cloudflare.com.

DNS names with 6 IP addresses:

naya.ns.cloudflare.com carries IP addresses 108.162.194.242, 162.159.38.242 and 172.64.34.242, with 3 other addresses beyond those.

nitin.ns.cloudflare.com carries IP addresses 108.162.193.215, 172.64.33.215 and 173.245.59.215, with 3 other addresses beyond those.

Mail Servers

Mail for vo4.org is routed through three mail servers — mx1.feishu.cn, mx2.feishu.cn and mx3.feishu.cn.

There is at least a partial MX overlap between vo4.org and other domains, including iinti.cn, cnpal.com, pqming.com and two others.

Hostnames that map to three IP numbers:

mx3.feishu.cn resolves to three addresses: 52.220.106.220, 101.126.58.225 and 122.14.229.0.

Host names that have two IP addresses:

mx2.feishu.cn maps to two IP addresses — 101.126.58.225 and 122.14.229.0.

Host names that point to one IP address:

mx1.feishu.cn points to the IP address 52.220.106.220.

These two host names — mx3.feishu.cn and mx1.feishu.cn — each point to 52.220.106.220 IP addresses.

These two host names — mx3.feishu.cn and mx2.feishu.cn — each point to 101.126.58.225 IP addresses.

These two host names — mx3.feishu.cn and mx2.feishu.cn — each point to 122.14.229.0 IP addresses.

vo4.org - robtex.com

vo4.org

org

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`vo4.org`

`org`