`worldwideteaching.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

Subdomains

hostmaster.worldwideteaching.com

Same first word

worldwideteaching.com

DNS History

4 records (3 active, 1 former)

●NSns.buydomains.com2015-06-18 → 2026-03-22 · 2 obs

● 2015-06-18 03:35:20
● 2026-03-22 21:17:42

●NSthis-domain-for-sale.com2026-03-22 → 2026-03-22 · 3 obs

○ 2015-06-18 03:35:20
● 2026-03-22 10:40:32
● 2026-03-22 21:17:42

●A207.148.248.1432015-11-02 → 2026-03-22 · 3 obs

○ 2015-06-18 03:35:20
● 2015-11-02 02:22:42
● 2026-03-22 21:17:42

○A66.151.181.492015-06-18 → 2015-06-18 · 3 obs

● 2015-06-18 03:35:20
○ 2015-11-02 02:22:42
○ 2026-03-22 21:17:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, b.gtld-servers.net, l.gtld-servers.net, d.gtld-servers.net...	-
worldwideteaching.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 worldwideteaching.com (unsigned zone)

⏱️ Timing

Total: 247ms | 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

Hierarchy

hostmaster.worldwideteaching.com is a child of worldwideteaching.com.

IP Addresses

worldwideteaching.com resolves to one IP number: 207.148.248.143.

Other host names, for instance finestroke.com, optibin.com, awesomemystery.com, fancytracker.com and roteskreuz.com share IP numbers with worldwideteaching.com.

Name Servers

worldwideteaching.com's delegation uses two name servers: this-domain-for-sale.com and ns.buydomains.com.

worldwideteaching.com uses the same name server setup as other domains, such as rationalfashion.com, parsis.net, prestigiousonline.com, fiyore.com and pwcmag.com.

worldwideteaching.com at least partially shares name servers with other domains, for example kootnet.com.

Host names with a single IP number:

The host name this-domain-for-sale.com points to 52.20.26.87.

The host name 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.

worldwideteaching.com - robtex.com