`mathframeworks.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

mx.mathframeworks.com

Same first word

mathframeworks.com

DNS History

4 records (3 active, 1 former)

●NSns.buydomains.com2016-01-24 → 2026-03-23 · 2 obs

● 2016-01-24 00:35:30
● 2026-03-23 10:49:02

●NSthis-domain-for-sale.com2026-03-23 → 2026-03-23 · 3 obs

○ 2016-01-24 00:35:30
● 2026-03-23 03:12:58
● 2026-03-23 10:49:02

●A207.148.248.1432016-12-29 → 2026-03-23 · 3 obs

○ 2016-04-25 10:25:02
● 2016-12-29 01:29:56
● 2026-03-23 10:49:02

○A50.63.202.1042016-01-24 → 2016-04-25 · 4 obs

● 2016-01-24 00:35:30
● 2016-04-25 10:25:02
○ 2016-12-29 01:29:56
○ 2026-03-23 10:49:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
mathframeworks.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 mathframeworks.com (unsigned zone)

⏱️ Timing

Total: 3563ms | 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

The parent of mx.mathframeworks.com is mathframeworks.com.

IP Addresses

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

Other host names, for instance jhsmh.com, ns2.moderncoaching.com, i-01aa81b6f40446c0b-n3-eu-west-1a-pr-engine.liveintercept.com, cameralist.com and fishinggals.com share IP numbers with mathframeworks.com.

Name Servers

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

mathframeworks.com uses the same name server setup as other domains, for instance endopioids.com, syslia.com, festwiese.com, aamele.com and pmgi.org.

mathframeworks.com shares name servers with other domains at least partially, for instance containertime.com and personaltrainersecrets.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.

mathframeworks.com - robtex.com