`pytorchtutorial.com`

	CNAME	`www.pytorchtutorial.com`
	DNSSEC	⚠️ Not signed
	A	39.105.161.57^{🇨🇳 Alibaba-Cloud39.104.0.0/15 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=1778916901

Subdomains

www.pytorchtutorial.com

Same first word

pytorchtutorial.com

Similar names

lcportauthority.org

DNS History

9 records (3 active, 6 former)

●NSdns13.hichina.com2026-05-16 → 2026-05-16 · 2 obs

○ 2017-08-10 23:12:24
● 2026-05-16 07:56:46

●NSdns14.hichina.com2026-05-16 → 2026-05-16 · 2 obs

○ 2017-08-10 23:12:24
● 2026-05-16 07:56:46

○NSjonah.ns.cloudflare.com2017-08-10 → 2017-08-10 · 2 obs

● 2017-08-10 23:12:24
○ 2026-05-16 07:56:46

○NSrachel.ns.cloudflare.com2017-08-10 → 2017-08-10 · 2 obs

● 2017-08-10 23:12:24
○ 2026-05-16 07:56:46

○A104.18.48.492017-08-10 → 2017-08-10 · 2 obs

● 2017-08-10 23:12:24
○ 2026-05-16 07:56:46

○A104.18.49.492017-08-10 → 2017-08-10 · 2 obs

● 2017-08-10 23:12:24
○ 2026-05-16 07:56:46

○A2400:cb00:2048:1::6812:30312017-08-10 → 2017-08-10 · 2 obs

● 2017-08-10 23:12:24
○ 2026-05-16 07:56:46

○A2400:cb00:2048:1::6812:31312017-08-10 → 2017-08-10 · 2 obs

● 2017-08-10 23:12:24
○ 2026-05-16 07:56:46

●CNAMEwww.pytorchtutorial.com2026-05-16 → 2026-05-16 · 1 obs

● 2026-05-16 07:56:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, m.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net...	-
pytorchtutorial.com	dns13.hichina.com, dns14.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.41

NS records: dns13.hichina.com, dns14.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for pytorchtutorial.com (unsigned zone)

⏱️ Timing

Total: 506ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns14.hichina.com, dns13.hichina.com`
CNAME	1	`www.pytorchtutorial.com`
SOA	1	`dns13.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns13.hichina.com, dns13.hichina.com, dns13.hichina.com...)

Analysis

Hierarchy

pytorchtutorial.com is the parent of www.pytorchtutorial.com.

IP Addresses

pytorchtutorial.com resolves to one IP number: 39.105.161.57.

Other host names, for instance www.pytorchtutorial.com, share IP numbers with pytorchtutorial.com.

pytorchtutorial.com - robtex.com