`mastercastings.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

mastercastings.com

DNS History

13 records (3 active, 10 former)

●NSns.buydomains.com2026-03-06 → 2026-03-24 · 3 obs

○ 2017-06-14 06:12:42
● 2026-03-06 13:39:22
● 2026-03-24 07:59:36

○NSns11.worldnic.com2015-09-04 → 2016-03-14 · 4 obs

● 2015-09-04 02:05:16
● 2016-03-14 00:55:02
○ 2016-08-23 23:06:24
○ 2026-03-24 07:59:36

○NSns12.worldnic.com2015-09-04 → 2016-03-14 · 4 obs

● 2015-09-04 02:05:16
● 2016-03-14 00:55:02
○ 2016-08-23 23:06:24
○ 2026-03-24 07:59:36

○NSns1626.ztomy.com2016-10-04 → 2017-06-14 · 5 obs

○ 2016-08-23 23:06:24
● 2016-10-04 15:33:00
● 2017-06-14 06:12:42
○ 2026-03-06 13:39:22
○ 2026-03-24 07:59:36

○NSns2626.ztomy.com2016-10-04 → 2017-06-14 · 5 obs

○ 2016-08-23 23:06:24
● 2016-10-04 15:33:00
● 2017-06-14 06:12:42
○ 2026-03-06 13:39:22
○ 2026-03-24 07:59:36

●NSthis-domain-for-sale.com2026-03-06 → 2026-03-24 · 3 obs

○ 2017-06-14 06:12:42
● 2026-03-06 13:39:22
● 2026-03-24 07:59:36

○MXmail.b-io.co2016-07-25 → 2016-08-16 · 5 obs

○ 2016-03-14 00:55:02
● 2016-07-25 05:32:16
● 2016-08-16 21:15:52
○ 2016-08-23 23:06:24
○ 2026-03-24 07:59:36

○MXp.webcom.ctmail.com2015-12-11 → 2016-03-14 · 4 obs

● 2015-12-11 01:38:56
● 2016-03-14 00:55:02
○ 2016-07-25 05:32:16
○ 2026-03-24 07:59:36

○A204.11.56.482016-10-04 → 2017-06-14 · 5 obs

○ 2016-08-23 23:06:24
● 2016-10-04 15:33:00
● 2017-06-14 06:12:42
○ 2026-03-06 13:39:22
○ 2026-03-24 07:59:36

●A207.148.248.1432026-03-06 → 2026-03-24 · 3 obs

○ 2017-06-14 06:12:42
● 2026-03-06 13:39:22
● 2026-03-24 07:59:36

○A208.91.197.1322016-07-25 → 2016-08-16 · 5 obs

○ 2016-03-14 00:55:02
● 2016-07-25 05:32:16
● 2016-08-16 21:15:52
○ 2016-08-23 23:06:24
○ 2026-03-24 07:59:36

○A208.91.197.262015-09-04 → 2016-03-14 · 4 obs

● 2015-09-04 02:05:16
● 2016-03-14 00:55:02
○ 2016-07-25 05:32:16
○ 2026-03-24 07:59:36

○PTRns1626.ztomy.com2016-11-11 → 2017-06-14 · 4 obs

● 2016-11-11 19:54:50
● 2017-06-14 06:12:42
○ 2026-03-06 13:39:22
○ 2026-03-24 07:59:36

🔍 DNS Trace

📋 Delegation Chain

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

⏱️ Timing

Total: 1565ms | 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

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

other host names for instance mail.opticalresonance.com, greatcurtain.com, royalharbour.com, themultifarious.com and rentsanibel.com share IP numbers with mastercastings.com.

Name Servers

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

mastercastings.com shares the same name server setup as other domains, for example dualtwist.com, lefrog.com, afid.net, dtmb.org and zlab.org.

mastercastings.com at least partially shares its name servers with other domains, for instance minutemastery.com.

Host names with a single IP number:

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

mastercastings.com - robtex.com