`xitangzw.com`

DNSSEC	⚠️ Not signed
NS	`ns1.ddoss-waf.com` ⭐ ⚠️ Not in parent delegation
		A	47.109.31.80^{🇨🇳 Alibaba-Cloud47.109.0.0/16}
NS	`ns1.tcdns31.com` ⚠️ Not in zone NS records
		A	47.109.31.80^{🇨🇳 Alibaba-Cloud47.109.0.0/16}
		A	121.37.230.116^{🇨🇳 HWCSNET121.37.192.0/18 Huawei Clouds Guangzhou Region}
			PTR	`ecs-121-37-230-116.compute.hwclouds-dns.com`
NS	`ns2.ddoss-waf.com` ⚠️ Not in parent delegation
		A	121.37.230.116^{🇨🇳 HWCSNET121.37.192.0/18 Huawei Clouds Guangzhou Region}
			PTR	`ecs-121-37-230-116.compute.hwclouds-dns.com`
NS	`ns2.tcdns31.com` ⚠️ Not in zone NS records
		A	47.109.31.80^{🇨🇳 Alibaba-Cloud47.109.0.0/16}
		A	121.37.230.116^{🇨🇳 HWCSNET121.37.192.0/18 Huawei Clouds Guangzhou Region}
			PTR	`ecs-121-37-230-116.compute.hwclouds-dns.com`
SOA	`ns1.ddoss-waf.com`zeus@bb2.com serial=1773223023

`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=1786733004

Same first word

xitangzw.com

DNS History

9 records (4 active, 5 former)

○NSdns29.hichina.com2026-06-25 → 2026-06-25 · 3 obs

● 2026-06-25 08:28:18
○ 2026-08-14 18:44:34
○ 2026-08-14 18:44:36

○NSdns30.hichina.com2026-06-25 → 2026-06-25 · 3 obs

● 2026-06-25 08:28:18
○ 2026-08-14 18:44:34
○ 2026-08-14 18:44:36

○NSexpirens3.hichina.com2026-06-25 → 2026-06-25 · 3 obs

● 2026-06-25 08:28:18
○ 2026-08-14 18:44:34
○ 2026-08-14 18:44:36

○NSexpirens4.hichina.com2026-06-25 → 2026-06-25 · 3 obs

● 2026-06-25 08:28:18
○ 2026-08-14 18:44:34
○ 2026-08-14 18:44:36

●NSns1.ddoss-waf.com2026-08-14 → 2026-08-14 · 3 obs

○ 2026-06-25 08:28:18
● 2026-08-14 18:44:34
● 2026-08-14 18:44:36

●NSns1.tcdns31.com2026-08-14 → 2026-08-14 · 3 obs

○ 2026-06-25 08:28:18
● 2026-08-14 18:44:34
● 2026-08-14 18:44:36

●NSns2.ddoss-waf.com2026-08-14 → 2026-08-14 · 3 obs

○ 2026-06-25 08:28:18
● 2026-08-14 18:44:34
● 2026-08-14 18:44:36

●NSns2.tcdns31.com2026-08-14 → 2026-08-14 · 3 obs

○ 2026-06-25 08:28:18
● 2026-08-14 18:44:34
● 2026-08-14 18:44:36

○CNAMEexpired.hichina.com2026-06-25 → 2026-06-25 · 3 obs

● 2026-06-25 08:28:18
○ 2026-08-14 18:44:34
○ 2026-08-14 18:44:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
xitangzw.com	ns1.tcdns31.com, ns2.tcdns31.com	4 records

✅ Authoritative Response

Server:121.37.230.116

NS records: ns1.tcdns31.com, ns2.tcdns31.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for xitangzw.com (unsigned zone)

⏱️ Timing

Total: 509ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns2.ddoss-waf.com, ns1.ddoss-waf.com`
SOA	1	`ns1.ddoss-waf.com zeus.bb2.com`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.tcdns31.com, ns1.tcdns31.com, ns2.tcdns31.com...)

Analysis

Name Servers

The domain xitangzw.com is delegated to these four name servers: ns1.ddoss-waf.com, ns2.ddoss-waf.com, ns1.tcdns31.com and ns2.tcdns31.com.

xitangzw.com partially shares its NS delegation with several other domains, including xdlyl.com, youjialiangchao.com, zhengzikeji.com and two others.

In DNS configurations, these name servers often share authority with ns1.cfdns5.com, ns2.cfdns5.com, ns1.cfdns81.com and 7 other name servers.

Hosts with two IP numbers each:

ns1.tcdns31.com resolves to 47.109.31.80 and 121.37.230.116.

ns2.tcdns31.com resolves to 47.109.31.80 and 121.37.230.116.

Hosts that resolve to one IP address:

ns1.ddoss-waf.com resolves to 47.109.31.80.

ns2.ddoss-waf.com resolves to 121.37.230.116.

ns1.tcdns31.com, ns2.tcdns31.com and ns1.ddoss-waf.com all direct to 47.109.31.80.

ns1.tcdns31.com, ns2.tcdns31.com and ns2.ddoss-waf.com all direct to 121.37.230.116.