`feiyanmath.com`

DNSSEC	⚠️ Not signed
A	103.100.159.212^{🇯🇵 RAINBOWIDC-AS-AP103.100.159.0/24 Customer Route - LOA provided}
		PTR	`unknown.itsidc.com`
NS	`ns1.julydns.com` ⭐ ⚠️ Not in parent delegation
		A	47.97.51.45^{🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD}
NS	`ns1.judns.com` ⚠️ Not in zone NS records
		A	47.97.51.45^{🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD}
NS	`ns2.judns.com` ⚠️ Not in zone NS records
		A	162.159.27.251^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.julydns.com` ⚠️ Not in parent delegation
		A	162.159.48.223^{Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
SOA	`ns1.julydns.com`master@jmdns.com serial=1770105887

`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=1776113752

Same first word

feiyanmath.com

DNS History

10 records (5 active, 5 former)

○NSdns7.hichina.com2019-12-17 → 2019-12-17 · 3 obs

● 2019-12-17 10:37:20
○ 2026-04-05 07:57:06
○ 2026-04-13 21:21:48

○NSdns8.hichina.com2019-12-17 → 2019-12-17 · 3 obs

● 2019-12-17 10:37:20
○ 2026-04-05 07:57:06
○ 2026-04-13 21:21:48

●NSns1.judns.com2026-04-05 → 2026-04-13 · 3 obs

○ 2019-12-17 10:37:20
● 2026-04-05 07:57:06
● 2026-04-13 21:21:48

●NSns1.julydns.com2026-04-05 → 2026-04-13 · 3 obs

○ 2019-12-17 10:37:20
● 2026-04-05 07:57:06
● 2026-04-13 21:21:48

●NSns2.judns.com2026-04-05 → 2026-04-13 · 3 obs

○ 2019-12-17 10:37:20
● 2026-04-05 07:57:06
● 2026-04-13 21:21:48

●NSns2.julydns.com2026-04-05 → 2026-04-13 · 3 obs

○ 2019-12-17 10:37:20
● 2026-04-05 07:57:06
● 2026-04-13 21:21:48

○MXmxn.mxhichina.com2019-12-17 → 2019-12-17 · 3 obs

● 2019-12-17 10:37:20
○ 2026-04-05 07:57:06
○ 2026-04-13 21:21:48

○MXmxw.mxhichina.com2019-12-17 → 2019-12-17 · 3 obs

● 2019-12-17 10:37:20
○ 2026-04-05 07:57:06
○ 2026-04-13 21:21:48

●A103.100.159.2122026-04-05 → 2026-04-13 · 3 obs

○ 2019-12-17 10:37:20
● 2026-04-05 07:57:06
● 2026-04-13 21:21:48

○A39.108.37.1312019-12-17 → 2019-12-17 · 3 obs

● 2019-12-17 10:37:20
○ 2026-04-05 07:57:06
○ 2026-04-13 21:21:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
feiyanmath.com	ns1.judns.com, ns2.judns.com	2 records

✅ Authoritative Response

Server:162.159.27.251

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for feiyanmath.com (unsigned zone)

⏱️ Timing

Total: 309ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.100.159.212`
NS	2	`ns1.julydns.com, ns2.julydns.com`
SOA	1	`ns1.julydns.com master.jmdns.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.judns.com, ns2.judns.com)

Analysis

IP Addresses

feiyanmath.com points to IP number: 103.100.159.212.

Other host names, for instance 4uu2r7.cn and xftw.cn, share IP numbers with feiyanmath.com.

Name Servers

feiyanmath.com is delegated to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.

feiyanmath.com at least partially shares name servers with other domains, for instance nuoliangtop.com, ytz(0x787878).net, kouoer.com, btscable.cn and httrq.com.