`openscheduler.com`

DNSSEC	⚠️ Not signed
A	207.148.248.143^{🇺🇸 EIG-29873207.148.248.0/24}
		PTR	`ip-207-148-248-143.defastlink.net`
NS	`ns.buydomains.com` ⚠️ Not in zone NS records
		A	52.20.26.87^{🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix}
			PTR	`ec2-52-20-26-87.compute-1.amazonaws.com`
NS	`this-domain-for-sale.com` ⚠️ Not in zone NS records
		A	52.20.26.87^{🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix}
			PTR	`ec2-52-20-26-87.compute-1.amazonaws.com`

`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

openscheduler.com

openscheduler.net

Similar names

schuledoerpen.de

DNS History

8 records (3 active, 5 former)

●NSns.buydomains.com2026-03-22 → 2026-03-22 · 2 obs

○ 2017-06-06 08:48:48
● 2026-03-22 20:11:46

○NSns1.shopco.com2015-06-28 → 2017-06-06 · 4 obs

○ 2008-11-08 14:08:56
● 2015-06-28 18:09:42
● 2017-06-06 08:48:48
○ 2026-03-22 20:11:46

○NSns2.shopco.com2015-06-28 → 2017-06-06 · 4 obs

○ 2008-11-08 14:08:56
● 2015-06-28 18:09:42
● 2017-06-06 08:48:48
○ 2026-03-22 20:11:46

○NSns3.shopco.com2015-06-28 → 2017-06-06 · 4 obs

○ 2008-11-08 14:08:56
● 2015-06-28 18:09:42
● 2017-06-06 08:48:48
○ 2026-03-22 20:11:46

●NSthis-domain-for-sale.com2026-03-22 → 2026-03-22 · 2 obs

○ 2017-06-06 08:48:48
● 2026-03-22 20:11:46

○MXmx.openscheduler.com.cust.b.hostedemail.com2015-06-28 → 2016-04-21 · 5 obs

○ 2008-11-08 14:08:56
● 2015-06-28 18:09:42
● 2016-04-21 22:15:36
○ 2017-06-06 08:48:48
○ 2026-03-22 20:11:46

●A207.148.248.1432026-03-22 → 2026-03-22 · 2 obs

○ 2017-06-06 08:48:48
● 2026-03-22 20:11:46

○A64.99.64.322015-06-28 → 2017-06-06 · 4 obs

○ 2008-11-08 14:08:56
● 2015-06-28 18:09:42
● 2017-06-06 08:48:48
○ 2026-03-22 20:11:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, f.gtld-servers.net, m.gtld-servers.net, h.gtld-servers.net...	-
openscheduler.com	ns.buydomains.com, this-domain-for-sale.com	2 records

✅ Authoritative Response

Server: 52.4.207.204

NS records: ns.buydomains.com, this-domain-for-sale.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for openscheduler.com (unsigned zone)

⏱️ Timing

Total: 228ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`207.148.248.143`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.buydomains.com, this-domain-for-sale.com)

Analysis

IP Addresses

openscheduler.com maps to IP address 207.148.248.143.

Other host names, for instance hostmaster.cinemonde.com, cbspecialists.com, smtp.constantfirst.com, contrive.net and mail.choiced.com share IP numbers with openscheduler.com.

Name Servers

Two name servers this-domain-for-sale.com and ns.buydomains.com are delegated to openscheduler.com.

openscheduler.com uses the same name server configuration as other domains, such as ecomresources.com, livesimulations.com, dbcomputing.com, sutranet.com and cyclingmegastore.com.

openscheduler.com shares some name servers with other domains, for example containertime.com.

Hostnames with one IP number:

this-domain-for-sale.com points to 52.20.26.87

ns.buydomains.com points to 52.20.26.87

Hostnames pointing to 52.20.26.87: this-domain-for-sale.com, ns.buydomains.com

openscheduler.com - robtex.com