`calendarsource.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

calendarsource.com

Similar names

coursecalendar.com

securedcarloan.com.au

DNS History

4 records (3 active, 1 former)

●NSns.buydomains.com2026-02-26 → 2026-03-23 · 2 obs

● 2026-02-26 02:13:14
● 2026-03-23 06:11:40

●NSthis-domain-for-sale.com2026-02-26 → 2026-03-23 · 2 obs

● 2026-02-26 02:13:14
● 2026-03-23 06:11:40

●A207.148.248.1432015-11-28 → 2026-03-23 · 3 obs

○ 2015-07-24 00:39:58
● 2015-11-28 10:35:10
● 2026-03-23 06:11:40

○A66.151.181.492015-07-24 → 2015-07-24 · 3 obs

● 2015-07-24 00:39:58
○ 2015-11-28 10:35:10
○ 2026-03-23 06:11:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
calendarsource.com	ns.buydomains.com, this-domain-for-sale.com	2 records

✅ Authoritative Response

Server:52.20.26.87

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for calendarsource.com (unsigned zone)

⏱️ Timing

Total: 95ms | 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

calendarsource.com points to a single IP number: 207.148.248.143.

Other host names, for instance hostmaster.rankingservices.com, masiel.com, mail.guideszone.com, homemadesolution.com and thefront.org share IP numbers with calendarsource.com.

Name Servers

calendarsource.com is delegated to two name servers: this-domain-for-sale.com and ns.buydomains.com.

calendarsource.com uses the same name server setup as other domains, for instance siegas.com, vircenter.com, ljbc.org, cyberear.com and rcub.org.

calendarsource.com at least partially shares name servers with other domains, such as velcea.com and bookofburlesque.com and diagnosticexpertise.com.

Host names with a single IP number:

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

ns.buydomains.com points to 52.20.26.87.

Host names pointing to 52.20.26.87: this-domain-for-sale.com and ns.buydomains.com.

calendarsource.com - robtex.com