`telephonysystems.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

telephonysystems.com

DNS History

4 records (3 active, 1 former)

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

● 2026-03-23 08:30:24
● 2026-03-23 08:30:26

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

● 2026-03-23 08:30:24
● 2026-03-23 08:30:26

●A207.148.248.1432015-10-28 → 2026-03-23 · 3 obs

○ 2015-06-05 17:08:22
● 2015-10-28 03:07:08
● 2026-03-23 08:30:26

○A66.151.181.492015-06-05 → 2015-06-05 · 3 obs

● 2015-06-05 17:08:22
○ 2015-10-28 03:07:08
○ 2026-03-23 08:30:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, c.gtld-servers.net, j.gtld-servers.net, a.gtld-servers.net...	-
telephonysystems.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 telephonysystems.com (unsigned zone)

⏱️ Timing

Total: 4593ms | 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

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

Other host names, for instance www.zakhour.com, cornerconsultant.com, hostmaster.canadiansystems.com, ratedflorists.com and actteam.com share IP numbers with telephonysystems.com.

Name Servers

Delegation for telephonysystems.com rests with two name servers, this-domain-for-sale.com and ns.buydomains.com.

telephonysystems.com shares the same name server setup as other domains, including bccpc.com, soapfast.com, angelanddemon.com, falzen.com and homeattic.com.

telephonysystems.com partially shares name servers with other domains; for instance vibrantclicks.com, mymonica.com and printbuys.com.

These name servers are commonly used with the name servers ns2.buydomains.com.

Host names sharing a single IP:

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

ns.buydomains.com points to 52.20.26.87

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

telephonysystems.com - robtex.com