`onlinesched.com`

DNSSEC	⚠️ Not signed
A	13.59.138.95^{🇺🇸 Amazon13.58.0.0/15 EC2 CMH prefix}
		PTR	`ec2-13-59-138-95.us-east-2.compute.amazonaws.com`
NS	`ns-170.awsdns-21.com` ⭐
		A	2600:9000:5300:aa00::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-170.awsdns-21.com`
		A	205.251.192.170^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-170.awsdns-21.com`
NS	`ns-1235.awsdns-26.org`
		A	2600:9000:5304:d300::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1235.awsdns-26.org`
		A	205.251.196.211^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1235.awsdns-26.org`
NS	`ns-1778.awsdns-30.co.uk`
		A	2600:9000:5306:f200::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1778.awsdns-30.co.uk`
		A	205.251.198.242^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1778.awsdns-30.co.uk`
NS	`ns-928.awsdns-52.net`
		A	2600:9000:5303:a000::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-928.awsdns-52.net`
		A	205.251.195.160^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-928.awsdns-52.net`
SOA	`ns-170.awsdns-21.com`awsdns-hostmaster@amazon.com serial=1

`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

Same first word

onlinesched.com

DNS History

14 records (5 active, 9 former)

●NSns-1235.awsdns-26.org2026-03-11 → 2026-03-11 · 2 obs

○ 2017-10-05 13:18:24
● 2026-03-11 09:03:00

●NSns-170.awsdns-21.com2026-03-11 → 2026-03-11 · 2 obs

○ 2017-10-05 13:18:24
● 2026-03-11 09:03:00

●NSns-1778.awsdns-30.co.uk2026-03-11 → 2026-03-11 · 2 obs

○ 2017-10-05 13:18:24
● 2026-03-11 09:03:00

●NSns-928.awsdns-52.net2026-03-11 → 2026-03-11 · 2 obs

○ 2017-10-05 13:18:24
● 2026-03-11 09:03:00

○NSns115.mochahost.com2017-10-05 → 2017-10-05 · 3 obs

○ 2016-09-09 03:49:12
● 2017-10-05 13:18:24
○ 2026-03-11 09:03:00

○NSns116.mochahost.com2017-10-05 → 2017-10-05 · 3 obs

○ 2016-09-09 03:49:12
● 2017-10-05 13:18:24
○ 2026-03-11 09:03:00

○NSns13.domaincontrol.com2015-08-19 → 2016-09-09 · 4 obs

● 2015-08-19 21:28:32
● 2016-09-09 03:49:12
○ 2017-10-05 13:18:24
○ 2026-03-11 09:03:00

○NSns14.domaincontrol.com2015-08-19 → 2016-09-09 · 4 obs

● 2015-08-19 21:28:32
● 2016-09-09 03:49:12
○ 2017-10-05 13:18:24
○ 2026-03-11 09:03:00

○MXmail.onlinesched.com2017-10-05 → 2017-10-05 · 3 obs

○ 2016-09-09 03:49:12
● 2017-10-05 13:18:24
○ 2026-03-11 09:03:00

○MXmailstore1.secureserver.net2015-08-19 → 2016-09-09 · 4 obs

● 2015-08-19 21:28:32
● 2016-09-09 03:49:12
○ 2017-10-05 13:18:24
○ 2026-03-11 09:03:00

○MXsmtp.secureserver.net2015-08-19 → 2016-09-09 · 4 obs

● 2015-08-19 21:28:32
● 2016-09-09 03:49:12
○ 2017-10-05 13:18:24
○ 2026-03-11 09:03:00

●A13.59.138.952026-03-11 → 2026-03-11 · 2 obs

○ 2017-10-05 13:18:24
● 2026-03-11 09:03:00

○A204.93.157.982017-10-05 → 2017-10-05 · 3 obs

○ 2016-09-09 03:49:12
● 2017-10-05 13:18:24
○ 2026-03-11 09:03:00

○A50.63.202.212015-08-19 → 2016-09-09 · 4 obs

● 2015-08-19 21:28:32
● 2016-09-09 03:49:12
○ 2017-10-05 13:18:24
○ 2026-03-11 09:03:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
onlinesched.com	ns-170.awsdns-21.com, ns-928.awsdns-52.net, ns-1778.awsdns-30.co.uk, ns-1235.awsdns-26.org	1 record

✅ Authoritative Response

Server: 205.251.196.211

NS records: ns-170.awsdns-21.com, ns-928.awsdns-52.net, ns-1778.awsdns-30.co.uk, ns-1235.awsdns-26.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for onlinesched.com (unsigned zone)

⏱️ Timing

Total: 414ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`13.59.138.95`
NS	4	`ns-1235.awsdns-26.org, ns-170.awsdns-21.com...`
SOA	1	`ns-170.awsdns-21.com awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-170.awsdns-21.com)

Analysis

IP Addresses

onlinesched.com points to a single IP number: 13.59.138.95.

Other host names, for instance ec2-13-59-138-95.us-east-2.compute.amazonaws.com, share IP numbers with onlinesched.com.

Name Servers

onlinesched.com is delegated to four name servers: ns-170.awsdns-21.com, ns-928.awsdns-52.net, ns-1235.awsdns-26.org and ns-1778.awsdns-30.co.uk.

onlinesched.com at least partially shares name servers with other domains, for instance metservice.com.au, jarettlee.com, viatrisconnect.com.pl, thescanfoundation.org and darylb.net.

these name servers are commonly used with ns-179.awsdns-22.com, ns-641.awsdns-16.net and ns-1978.awsdns-55.co.uk.

Host names with two IP numbers:

ns-170.awsdns-21.com points to: 2600:9000:5300:aa00::1 and 205.251.192.170.

ns-928.awsdns-52.net points to: 2600:9000:5303:a000::1 and 205.251.195.160.

ns-1235.awsdns-26.org points to: 2600:9000:5304:d300::1 and 205.251.196.211.

ns-1778.awsdns-30.co.uk points to: 2600:9000:5306:f200::1 and 205.251.198.242.

onlinesched.com - robtex.com

onlinesched.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`onlinesched.com`

`com`