`optionsblock.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

optionsblock.com

Similar names

blockoptions.com

blockoptions.io

optionblocks.com

DNS History

11 records (3 active, 8 former)

●NSns.buydomains.com2026-02-27 → 2026-03-23 · 3 obs

○ 2017-03-27 22:31:48
● 2026-02-27 03:42:54
● 2026-03-23 16:04:32

○NSns1.bluehost.com2015-08-10 → 2016-07-12 · 4 obs

● 2015-08-10 01:50:10
● 2016-07-12 15:42:50
○ 2017-03-27 22:31:48
○ 2026-03-23 16:04:32

○NSns1.uniregistrymarket.link2017-03-27 → 2017-03-27 · 4 obs

○ 2016-07-12 15:42:50
● 2017-03-27 22:31:48
○ 2026-02-27 03:42:54
○ 2026-03-23 16:04:32

○NSns2.bluehost.com2015-08-10 → 2016-07-12 · 4 obs

● 2015-08-10 01:50:10
● 2016-07-12 15:42:50
○ 2017-03-27 22:31:48
○ 2026-03-23 16:04:32

○NSns2.uniregistrymarket.link2017-03-27 → 2017-03-27 · 4 obs

○ 2016-07-12 15:42:50
● 2017-03-27 22:31:48
○ 2026-02-27 03:42:54
○ 2026-03-23 16:04:32

●NSthis-domain-for-sale.com2026-02-27 → 2026-03-23 · 3 obs

○ 2017-03-27 22:31:48
● 2026-02-27 03:42:54
● 2026-03-23 16:04:32

○MXmail.optionsblock.com2015-08-10 → 2016-07-12 · 4 obs

● 2015-08-10 01:50:10
● 2016-07-12 15:42:50
○ 2017-03-27 22:31:48
○ 2026-03-23 16:04:32

●A207.148.248.1432026-02-27 → 2026-03-23 · 3 obs

○ 2017-03-27 22:31:48
● 2026-02-27 03:42:54
● 2026-03-23 16:04:32

○A69.172.201.1532017-03-27 → 2017-03-27 · 4 obs

○ 2016-07-12 15:42:50
● 2017-03-27 22:31:48
○ 2026-02-27 03:42:54
○ 2026-03-23 16:04:32

○A69.195.91.2392015-08-10 → 2015-12-03 · 4 obs

● 2015-08-10 01:50:10
● 2015-12-03 05:59:46
○ 2016-03-09 15:26:10
○ 2026-03-23 16:04:32

○A69.89.31.1922016-03-09 → 2016-07-12 · 5 obs

○ 2015-12-03 05:59:46
● 2016-03-09 15:26:10
● 2016-07-12 15:42:50
○ 2017-03-27 22:31:48
○ 2026-03-23 16:04:32

🔍 DNS Trace

📋 Delegation Chain

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

⏱️ Timing

Total: 3537ms | 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

optionsblock.com points to IP number 207.148.248.143.

For instance, other host names stressalternatives.com, ultimateresistance.com, hostmaster.davidguay.com, zodiac.bikerents.com and actkit.com share IP numbers with optionsblock.com.

Name Servers

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

optionsblock.com uses the same name server setup as other domains such as savvygourmet.com, directhaat.com, moralitees.com, publica.net and lisagibbons.com.

optionsblock.com shares name servers with other domains at least partially, for example rceasy.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

optionsblock.com - robtex.com