`hippostudy.com`

DNSSEC	⚠️ Not signed
NS	`ns1.bytedns.com` ⭐
		A	13.248.218.45^{🇺🇸 Amazon13.248.208.0/20}
			PTR	`a6cea1b8db6e0502b.awsglobalaccelerator.com`
		A	47.103.144.65^{🇨🇳 Alibaba-Cloud47.102.0.0/15}
		A	76.223.78.111^{🇺🇸 Amazon76.223.64.0/20}
			PTR	`a6cea1b8db6e0502b.awsglobalaccelerator.com`
NS	`ns-mobile.bytedns.com`
		A	14.103.103.163^{🇨🇳 SHANGHAITELECOM14.103.96.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	47.103.69.110^{🇨🇳 Alibaba-Cloud47.102.0.0/15}
NS	`ns-telecom.bytedns.com`
		A	47.115.127.205^{🇨🇳 Alibaba-Cloud47.115.0.0/17 Alibaba (US) Technology Co., Ltd.}
NS	`ns-unicom.bytedns.com`
		A	39.97.243.225^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	115.190.150.97^{🇨🇳 VOLCANO-ENGINE115.190.144.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
NS	`ns2.bytedns.com`
		A	13.248.218.45^{🇺🇸 Amazon13.248.208.0/20}
			PTR	`a6cea1b8db6e0502b.awsglobalaccelerator.com`
		A	47.103.144.65^{🇨🇳 Alibaba-Cloud47.102.0.0/15}
		A	76.223.78.111^{🇺🇸 Amazon76.223.64.0/20}
			PTR	`a6cea1b8db6e0502b.awsglobalaccelerator.com`
SOA	`ns1.bytedns.com`dnsadmin@bytedance.com 2021-12-30 #10

`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=1785517912

Same first word

hippostudy.com

Similar names

studyhippo.com

DNS History

5 records (5 active, 0 former)

●NSns-mobile.bytedns.com2026-03-28 → 2026-07-31 · 2 obs

● 2026-03-28 11:37:04
● 2026-07-31 17:19:26

●NSns-telecom.bytedns.com2026-03-28 → 2026-07-31 · 2 obs

● 2026-03-28 11:37:04
● 2026-07-31 17:19:26

●NSns-unicom.bytedns.com2026-03-28 → 2026-07-31 · 2 obs

● 2026-03-28 11:37:04
● 2026-07-31 17:19:26

●NSns1.bytedns.com2026-03-28 → 2026-07-31 · 2 obs

● 2026-03-28 11:37:04
● 2026-07-31 17:19:26

●NSns2.bytedns.com2026-03-28 → 2026-07-31 · 2 obs

● 2026-03-28 11:37:04
● 2026-07-31 17:19:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net, e.gtld-servers.net...	-
hippostudy.com	ns1.bytedns.com, ns2.bytedns.com, ns-mobile.bytedns.com, ns-telecom.bytedns.com...	17 records

✅ Authoritative Response

Server:47.115.127.205

NS records: ns1.bytedns.com, ns2.bytedns.com, ns-mobile.bytedns.com, ns-telecom.bytedns.com, ns-unicom.bytedns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for hippostudy.com (unsigned zone)

⏱️ Timing

Total: 647ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	5	`ns-mobile.bytedns.com, ns-unicom.bytedns.com...`
SOA	1	`ns1.bytedns.com dnsadmin.bytedance.com`

📌 Glue Records Collected

Total: 17

Out-of-bailiwick: 17 (ns1.bytedns.com, ns1.bytedns.com, ns1.bytedns.com...)

Analysis

Name Servers

Delegation for hippostudy.com is to five name servers: ns-mobile.bytedns.com, ns-telecom.bytedns.com, ns-unicom.bytedns.com and two others.

There is at least partial name server overlap between hippostudy.com and other domains — hippoaixue.cn, douyin-open.com, volccdn2.com and two more among them.

These name servers regularly appear alongside ns1.bytedns.com, ns2.bytedns.com, ns-mobile.volc-dns.com and 4 other name servers in NS record sets.

Host names with three IP numbers:

The hostname ns1.bytedns.com directs to 13.248.218.45, 47.103.144.65 and 76.223.78.111.

The hostname ns2.bytedns.com directs to 13.248.218.45, 47.103.144.65 and 76.223.78.111.

Host names with two IP numbers:

ns-mobile.bytedns.com directs traffic to 14.103.103.163 and 47.103.69.110.

ns-unicom.bytedns.com directs traffic to 39.97.243.225 and 115.190.150.97.

Host names pointing to a single IP address:

ns-telecom.bytedns.com has the IP address 47.115.127.205.

Both ns1.bytedns.com and ns2.bytedns.com resolve to 13.248.218.45 IP addresses each.

Both ns1.bytedns.com and ns2.bytedns.com resolve to 47.103.144.65 IP addresses each.

Both ns1.bytedns.com and ns2.bytedns.com resolve to 76.223.78.111 IP addresses each.