`contributingauthor.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

mail.contributingauthor.com

Same first word

contributingauthor.com

DNS History

8 records (3 active, 5 former)

●NSns.buydomains.com2026-03-23 → 2026-03-23 · 3 obs

○ 2016-09-11 17:21:08
● 2026-03-23 03:49:36
● 2026-03-23 03:50:16

○NSns1.bluehost.com2015-05-25 → 2016-09-11 · 4 obs

● 2015-05-25 21:45:28
● 2016-09-11 17:21:08
○ 2026-03-23 03:49:36
○ 2026-03-23 03:50:16

○NSns2.bluehost.com2015-05-25 → 2016-09-11 · 4 obs

● 2015-05-25 21:45:28
● 2016-09-11 17:21:08
○ 2026-03-23 03:49:36
○ 2026-03-23 03:50:16

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

○ 2016-09-11 17:21:08
● 2026-03-23 03:49:36
● 2026-03-23 03:50:16

○MXmail.contributingauthor.com2015-05-25 → 2016-09-11 · 4 obs

● 2015-05-25 21:45:28
● 2016-09-11 17:21:08
○ 2026-03-23 03:49:36
○ 2026-03-23 03:50:16

●A207.148.248.1432026-03-23 → 2026-03-23 · 3 obs

○ 2017-04-09 07:25:30
● 2026-03-23 03:49:36
● 2026-03-23 03:50:16

○A69.195.124.892015-05-25 → 2016-09-11 · 4 obs

● 2015-05-25 21:45:28
● 2016-09-11 17:21:08
○ 2017-04-09 07:25:30
○ 2026-03-23 03:50:16

○A74.220.199.62017-04-09 → 2017-04-09 · 4 obs

○ 2016-09-11 17:21:08
● 2017-04-09 07:25:30
○ 2026-03-23 03:49:36
○ 2026-03-23 03:50:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, j.gtld-servers.net, i.gtld-servers.net, h.gtld-servers.net...	-
contributingauthor.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 contributingauthor.com (unsigned zone)

⏱️ Timing

Total: 146ms | 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

contributingauthor.com is the parent of mail.contributingauthor.com.

IP Addresses

contributingauthor.com resolves to one IP number: 207.148.248.143.

other host names including mx1.addme.swoopys.com, mail.politicalcorners.com, www.anniversaryshop.com, dugg.net and hostmaster.arthistorians.com share IP numbers with contributingauthor.com.

Name Servers

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

contributingauthor.com shares the same name server setup as other domains, for instance arcticrider.com, trustedinnovator.com, flatclipart.com, imagexl.com and educationalcorner.com.

contributingauthor.com shares at least some name servers with other domains, for example sketchetc.com, plazashamrock.com and bioenergynet.com.

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

contributingauthor.com - robtex.com