`styongtu.com`

DNSSEC	⚠️ Not signed
A	154.220.12.52^{🇭🇰 MYCLOUD-AS-AP154.220.12.0/24 Luogelang france limited}
NS	`ns1.julydns.com` ⭐ ⚠️ Not in parent delegation
		A	47.97.51.45^{🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD}
			PTR	`ip-47-97-51-45.defastlink.net`
NS	`ns1.judns.com` ⚠️ Not in zone NS records
		A	47.97.51.45^{🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD}
			PTR	`ip-47-97-51-45.defastlink.net`
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}
			PTR	`ip-162-159-27-251.defastlink.net`
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}
			PTR	`ip-162-159-48-223.defastlink.net`
SOA	`ns1.julydns.com`master@jmdns.com serial=1764035990

`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=1771291435

Subdomains

mail.styongtu.com

Same first word

styongtu.com

Similar names

tsyutong.com

DNS History

9 records (5 active, 4 former)

●NSns1.judns.com2026-02-20 → 2026-03-23 · 3 obs

○ 2017-06-06 04:26:34
● 2026-02-20 01:04:54
● 2026-03-23 11:45:42

●NSns1.julydns.com2026-02-20 → 2026-03-23 · 3 obs

○ 2017-06-06 04:26:34
● 2026-02-20 01:04:54
● 2026-03-23 11:45:42

●NSns2.judns.com2026-02-20 → 2026-03-23 · 3 obs

○ 2017-06-06 04:26:34
● 2026-02-20 01:04:54
● 2026-03-23 11:45:42

●NSns2.julydns.com2026-02-20 → 2026-03-23 · 3 obs

○ 2017-06-06 04:26:34
● 2026-02-20 01:04:54
● 2026-03-23 11:45:42

○NSns7.ns365.net2015-06-20 → 2017-06-06 · 4 obs

● 2015-06-20 22:46:04
● 2017-06-06 04:26:34
○ 2026-02-20 01:04:54
○ 2026-03-23 11:45:42

○NSns8.ns365.net2015-06-20 → 2017-06-06 · 4 obs

● 2015-06-20 22:46:04
● 2017-06-06 04:26:34
○ 2026-02-20 01:04:54
○ 2026-03-23 11:45:42

○MXmail.styongtu.com2015-06-20 → 2017-06-06 · 4 obs

● 2015-06-20 22:46:04
● 2017-06-06 04:26:34
○ 2026-02-20 01:04:54
○ 2026-03-23 11:45:42

○A118.145.5.282015-06-20 → 2017-06-06 · 4 obs

● 2015-06-20 22:46:04
● 2017-06-06 04:26:34
○ 2026-02-20 01:04:54
○ 2026-03-23 11:45:42

●A154.220.12.522026-02-20 → 2026-03-23 · 3 obs

○ 2017-06-06 04:26:34
● 2026-02-20 01:04:54
● 2026-03-23 11:45:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, h.gtld-servers.net, a.gtld-servers.net, d.gtld-servers.net...	-
styongtu.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 styongtu.com (unsigned zone)

⏱️ Timing

Total: 401ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`154.220.12.52`
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

Hierarchy

The parent of mail.styongtu.com is styongtu.com.

IP Addresses

styongtu.com points to IP number: 154.220.12.52.

Other host names, for instance mail.styongtu.com share IP numbers with styongtu.com.

Name Servers

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

styongtu.com at least partially shares name servers with other domains, for instance bao88888.com, yyy(0x787878).com, aidanban.com, mfub.cn and ikksi.com.