`studentcheckin.com`

DNSSEC	⚠️ Not signed
A	167.71.251.58^{🇺🇸 DIGITALOCEAN167.71.240.0/20 DigitalOcean}
NS	`ns1.digitalocean.com` ⭐
		A	2606:4700:52::ac40:34d2^{🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.digitalocean.com`
		A	172.64.52.210^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.digitalocean.com`
NS	`ns2.digitalocean.com`
		A	2606:4700:5a::ac40:3515^{🇺🇸 Cloudflare2606:4700:5a::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.digitalocean.com`
		A	172.64.53.21^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.digitalocean.com`
NS	`ns3.digitalocean.com`
		A	2606:4700:52::ac40:31d1^{🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns3.digitalocean.com`
		A	172.64.49.209^{🇺🇸 Cloudflare172.64.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns3.digitalocean.com`
SOA	`ns1.digitalocean.com`hostmaster@studentcheckin.com serial=1742927496

`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=1774438447

Subdomains

www.studentcheckin.com

Same first word

studentcheckin.com

DNS History

14 records (4 active, 10 former)

○NSdns1.name-services.com2015-08-05 → 2020-04-06 · 4 obs

● 2015-08-05 13:19:52
● 2020-04-06 10:15:36
○ 2026-02-17 16:43:10
○ 2026-03-25 11:51:34

○NSdns2.name-services.com2015-08-05 → 2020-04-06 · 4 obs

● 2015-08-05 13:19:52
● 2020-04-06 10:15:36
○ 2026-02-17 16:43:10
○ 2026-03-25 11:51:34

○NSdns3.name-services.com2015-08-05 → 2020-04-06 · 4 obs

● 2015-08-05 13:19:52
● 2020-04-06 10:15:36
○ 2026-02-17 16:43:10
○ 2026-03-25 11:51:34

○NSdns4.name-services.com2015-08-05 → 2020-04-06 · 4 obs

● 2015-08-05 13:19:52
● 2020-04-06 10:15:36
○ 2026-02-17 16:43:10
○ 2026-03-25 11:51:34

○NSdns5.name-services.com2015-08-05 → 2020-04-06 · 4 obs

● 2015-08-05 13:19:52
● 2020-04-06 10:15:36
○ 2026-02-17 16:43:10
○ 2026-03-25 11:51:34

●NSns1.digitalocean.com2026-02-17 → 2026-03-25 · 3 obs

○ 2020-04-06 10:15:36
● 2026-02-17 16:43:10
● 2026-03-25 11:51:34

●NSns2.digitalocean.com2026-02-17 → 2026-03-25 · 3 obs

○ 2020-04-06 10:15:36
● 2026-02-17 16:43:10
● 2026-03-25 11:51:34

●NSns3.digitalocean.com2026-02-17 → 2026-03-25 · 3 obs

○ 2020-04-06 10:15:36
● 2026-02-17 16:43:10
● 2026-03-25 11:51:34

○A104.130.244.332016-03-17 → 2016-03-17 · 4 obs

○ 2015-11-27 11:54:56
● 2016-03-17 16:45:52
○ 2016-07-18 02:11:38
○ 2026-03-25 11:51:34

●A167.71.251.582026-02-17 → 2026-03-25 · 3 obs

○ 2020-04-06 10:15:36
● 2026-02-17 16:43:10
● 2026-03-25 11:51:34

○A208.68.39.2312016-07-18 → 2020-04-06 · 5 obs

○ 2016-03-17 16:45:52
● 2016-07-18 02:11:38
● 2020-04-06 10:15:36
○ 2026-02-17 16:43:10
○ 2026-03-25 11:51:34

○A98.124.198.12015-08-05 → 2015-08-05 · 3 obs

● 2015-08-05 13:19:52
○ 2026-02-17 16:43:10
○ 2026-03-25 11:51:34

○A98.124.199.12015-08-05 → 2015-08-05 · 3 obs

● 2015-08-05 13:19:52
○ 2015-11-27 11:54:56
○ 2026-03-25 11:51:34

○A98.124.199.322015-11-27 → 2015-11-27 · 4 obs

○ 2015-08-05 13:19:52
● 2015-11-27 11:54:56
○ 2016-03-17 16:45:52
○ 2026-03-25 11:51:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
studentcheckin.com	ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com	3 records

✅ Authoritative Response

Server:172.64.52.210

NS records: ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studentcheckin.com (unsigned zone)

⏱️ Timing

Total: 726ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`167.71.251.58`
NS	3	`ns1.digitalocean.com, ns2.digitalocean.com...`
SOA	1	`ns1.digitalocean.com hostmaster.studentc`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com)

Analysis

Hierarchy

studentcheckin.com is the parent of www.studentcheckin.com.

IP Addresses

studentcheckin.com resolves to one IP number: 167.71.251.58.

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

Name Servers

studentcheckin.com is delegated to three name servers ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com.

studentcheckin.com at least partially shares name servers with other domains, for instance electronicchicken.com, revodev.com, simatime.com, icgt.hu and flavor.co.

Host names with two IP numbers:

ns1.digitalocean.com points to: 2606:4700:52::ac40:34d2 and 172.64.52.210.

ns2.digitalocean.com points to: 2606:4700:5a::ac40:3515 and 172.64.53.21.

ns3.digitalocean.com points to: 2606:4700:52::ac40:31d1 and 172.64.49.209.

studentcheckin.com - robtex.com