`checkmarking.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

checkmarking.com

DNS History

11 records (3 active, 8 former)

●NSns.buydomains.com2026-03-07 → 2026-03-23 · 3 obs

○ 2017-05-09 13:43:18
● 2026-03-07 06:03:36
● 2026-03-23 23:41:02

○NSns1050.ui-dns.biz2017-05-09 → 2017-05-09 · 3 obs

● 2017-05-09 13:43:18
○ 2026-03-07 06:03:36
○ 2026-03-23 23:41:02

○NSns1064.ui-dns.com2017-05-09 → 2017-05-09 · 3 obs

● 2017-05-09 13:43:18
○ 2026-03-07 06:03:36
○ 2026-03-23 23:41:02

○NSns1079.ui-dns.org2017-05-09 → 2017-05-09 · 3 obs

● 2017-05-09 13:43:18
○ 2026-03-07 06:03:36
○ 2026-03-23 23:41:02

○NSns1112.ui-dns.de2017-05-09 → 2017-05-09 · 3 obs

● 2017-05-09 13:43:18
○ 2026-03-07 06:03:36
○ 2026-03-23 23:41:02

●NSthis-domain-for-sale.com2026-03-07 → 2026-03-23 · 3 obs

○ 2017-05-09 13:43:18
● 2026-03-07 06:03:36
● 2026-03-23 23:41:02

○MXmx00.1and1.com2017-05-09 → 2017-05-09 · 3 obs

● 2017-05-09 13:43:18
○ 2026-03-07 06:03:36
○ 2026-03-23 23:41:02

○MXmx01.1and1.com2017-05-09 → 2017-05-09 · 3 obs

● 2017-05-09 13:43:18
○ 2026-03-07 06:03:36
○ 2026-03-23 23:41:02

●A207.148.248.1432026-03-07 → 2026-03-23 · 3 obs

○ 2017-05-09 13:43:18
● 2026-03-07 06:03:36
● 2026-03-23 23:41:02

○A2607:f1c0:100f:f000::2042017-05-09 → 2017-05-09 · 3 obs

● 2017-05-09 13:43:18
○ 2026-03-07 06:03:36
○ 2026-03-23 23:41:02

○A74.208.236.792017-05-09 → 2017-05-09 · 3 obs

● 2017-05-09 13:43:18
○ 2026-03-07 06:03:36
○ 2026-03-23 23:41:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, i.gtld-servers.net, a.gtld-servers.net, e.gtld-servers.net...	-
checkmarking.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 checkmarking.com (unsigned zone)

⏱️ Timing

Total: 215ms | 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

checkmarking.com points to a single IP: 207.148.248.143.

Other host names, for instance seoraider.com, mail.workshopservice.com, esoservices.com, mail.ogps.org and mystylists.com share IP numbers with checkmarking.com.

Name Servers

checkmarking.com's delegation is to two name servers this-domain-for-sale.com and ns.buydomains.com.

checkmarking.com shares the same name server configuration as other domains, such as lbsnet.com, alici.net, padum.com, dailysightseeing.com and africanservers.com.

checkmarking.com at least partially shares its name servers with other domains, for instance arbeon.com, filejam.com, hoopbuddies.com, girmes.com and orlandoreport.com.

These name servers are often used together with the name servers ns2.buydomains.com.

Host names with one IP number: this-domain-for-sale.com and ns.buydomains.com point to 52.20.26.87.

checkmarking.com - robtex.com