`df-byq.com`

	CNAME	`d0780935cc536f19cf188e57d288c62a.dlszywz.com`
	DNSSEC	⚠️ Not signed
	A	39.106.57.41^{🇨🇳 Alibaba-Cloud39.106.0.0/15 CT BeiJing IDC}

`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=1784714177

Subdomains

mail.df-byq.com

Same first word

df-byq.com

DNS History

7 records (5 active, 2 former)

●NSns11.xincache.com2026-03-29 → 2026-07-22 · 3 obs

○ 2015-07-02 19:48:44
● 2026-03-29 13:33:12
● 2026-07-22 10:00:06

●NSns19.xincache.com2015-07-02 → 2026-07-22 · 2 obs

● 2015-07-02 19:48:44
● 2026-07-22 10:00:06

●NSns20.xincache.com2015-07-02 → 2026-07-22 · 2 obs

● 2015-07-02 19:48:44
● 2026-07-22 10:00:06

○MXmailmx2.dns.com.cn2015-07-02 → 2019-04-10 · 4 obs

● 2015-07-02 19:48:44
● 2019-04-10 09:20:18
○ 2026-03-29 13:33:12
○ 2026-07-22 10:00:06

●MXmx84.dns.com.cn2026-03-29 → 2026-07-22 · 3 obs

○ 2019-04-10 09:20:18
● 2026-03-29 13:33:12
● 2026-07-22 10:00:06

○A125.65.112.1122015-07-02 → 2019-04-10 · 4 obs

● 2015-07-02 19:48:44
● 2019-04-10 09:20:18
○ 2026-03-29 13:33:12
○ 2026-07-22 10:00:06

●CNAMEd0780935cc536f19cf188e57d288c62a.dlszywz.com2026-03-29 → 2026-07-22 · 2 obs

● 2026-03-29 13:33:12
● 2026-07-22 10:00:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
df-byq.com	ns19.xincache.com, ns20.xincache.com	12 records

✅ Authoritative Response

Server:1.12.0.1

NS records: ns19.xincache.com, ns20.xincache.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for df-byq.com (unsigned zone)

⏱️ Timing

Total: 206ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns19.xincache.com, ns20.xincache.com`
MX	1	`mx84.dns.com.cn (pri: 10)`
CNAME	1	`d0780935cc536f19cf188e57d288c62a.dlszywz`
SOA	1	`ns11.xincache.com ns12.xincache.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (ns19.xincache.com, ns19.xincache.com, ns19.xincache.com...)

Analysis

Hierarchy

mail.df-byq.com is delegated beneath df-byq.com.

IP Addresses

df-byq.com resolves to one IP address: 39.106.57.41.

336372b18db3a0c951aaacea46594871.dlszywz.com, 2d8bb6c8e8f9e11b20123fc861186781.dlszywz.com, 1e3e9c790ee51ef1f32b9dcc4be2966c.dlszywz.com and two other host names share IP numbers with df-byq.com.

df-byq.com - robtex.com

df-byq.com

com