ub4.com - dns.ninja

`ub4.com`

DNSSEC	⚠️ Not signed
NS	`ns1.volcdns.com` ⭐
		A	2406:d440:103:6eca:6b2d:c85a:8bd9:5c7e^{🇨🇳 VOLCANO-ENGINE2406:d440:100::/44 route6 of Chinaunicom AS137718 Beijing Volcano Engine Technology Co., Ltd.}
		A	115.190.173.10^{🇨🇳 VOLCANO-ENGINE115.190.168.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
NS	`ns1.volcengine-dns.com`
		A	2406:d440:103:6eca:6b2d:c85a:8bd9:5c7e^{🇨🇳 VOLCANO-ENGINE2406:d440:100::/44 route6 of Chinaunicom AS137718 Beijing Volcano Engine Technology Co., Ltd.}
		A	115.190.173.10^{🇨🇳 VOLCANO-ENGINE115.190.168.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
NS	`ns2.volcengine-dns.com`
		A	2406:d440:103:6eca:6b2d:c85a:8bd9:5c7e^{🇨🇳 VOLCANO-ENGINE2406:d440:100::/44 route6 of Chinaunicom AS137718 Beijing Volcano Engine Technology Co., Ltd.}
		A	180.184.1.138^{🇨🇳 VOLCANO-ENGINE180.184.1.0/24 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	180.184.1.151^{🇨🇳 VOLCANO-ENGINE180.184.1.0/24 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
SOA	`ns1.volcdns.com`dnsadmin@bytedance.com 2025-11-21 #0

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1785654242

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DNS History

3 records (3 active, 0 former)

●NSns1.volcdns.com2026-02-22 → 2026-08-02 · 2 obs

● 2026-02-22 12:21:54
● 2026-08-02 07:33:14

●NSns1.volcengine-dns.com2026-02-22 → 2026-08-02 · 2 obs

● 2026-02-22 12:21:54
● 2026-08-02 07:33:14

●NSns2.volcengine-dns.com2026-02-22 → 2026-08-02 · 2 obs

● 2026-02-22 12:21:54
● 2026-08-02 07:33:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, b.gtld-servers.net, e.gtld-servers.net, f.gtld-servers.net...	-
ub4.com	ns1.volcengine-dns.com, ns2.volcengine-dns.com	5 records

✅ Authoritative Response

Server:180.184.1.138

NS records: ns1.volcengine-dns.com, ns2.volcengine-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ub4.com (unsigned zone)

⏱️ Timing

Total: 3512ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns1.volcengine-dns.com, ns2.volcengine-dns.com`
SOA	1	`ns1.volcdns.com dnsadmin.bytedance.com`

📌 Glue Records Collected

Total: 5

Out-of-bailiwick: 5 (ns1.volcengine-dns.com, ns1.volcengine-dns.com, ns2.volcengine-dns.com...)

Analysis

Name Servers

ub4.com is served by three name servers: ns1.volcdns.com, ns1.volcengine-dns.com and ns2.volcengine-dns.com.

The name servers of ub4.com overlap at least partially with those of other domains — among them echoeye.cn, saiyinte.com, etronsoft.com and two more.

These name servers commonly appear in delegations together with vip1.volcengine-dns.com, vip2.volcengine-dns.com, ns2.volcdns.com and 3 other.

Host names carrying three IP numbers:

ns2.volcengine-dns.com maps to three IP addresses: 180.184.1.138, 180.184.1.151 and 2406:d440:103:6eca:6b2d:c85a:8bd9:5c7e.

Host names pointing to two IP addresses:

The A records for ns1.volcdns.com return 115.190.173.10 and 2406:d440:103:6eca:6b2d:c85a:8bd9:5c7e.

The A records for ns1.volcengine-dns.com return 115.190.173.10 and 2406:d440:103:6eca:6b2d:c85a:8bd9:5c7e.

Three host names point to 2406:d440:103:6eca:6b2d:c85a:8bd9:5c7e: ns2.volcengine-dns.com, ns1.volcdns.com and ns1.volcengine-dns.com.

ns1.volcdns.com and ns1.volcengine-dns.com each have 115.190.173.10 IP addresses.