`contextboston.com`

DNSSEC	⚠️ Not signed
A	216.146.39.125
		PTR	`webhop-lax.dyndns.com`
NS	`ns1.dnsimple.com` ⭐
		A	2400:cb00:2049:1::a29f:1804^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
			PTR	`ns1.dnsimple.com`
		A	162.159.24.4^{Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.dnsimple.com`
NS	`ns2.dnsimple.com`
		A	2620:111:8005::53^{🇺🇸 AS327712620:111:8005::/48 Vultr Customer Route}
		A	199.247.153.53^{🇺🇸 AS32771199.247.153.0/24 Vultr Customer Route}
NS	`ns3.dnsimple.com`
		A	2400:cb00:2049:1::a29f:1a04^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
			PTR	`ns3.dnsimple.com`
		A	162.159.26.4^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns3.dnsimple.com`
NS	`ns4.dnsimple-edge.org`
		A	2620:111:8007::53^{🇺🇸 AS327712620:111:8007::/48 Vultr Customer Route}
		A	199.247.155.53^{🇺🇸 AS32771199.247.155.0/24 Vultr Customer Route}
SOA	`ns1.dnsimple.com`admin@dnsimple.com serial=1674533153

`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

contextboston.com

DNS History

9 records (5 active, 4 former)

●NSns1.dnsimple.com2026-02-15 → 2026-03-01 · 3 obs

○ 2017-10-29 17:02:28
● 2026-02-15 22:27:06
● 2026-03-01 08:46:36

○NSns1.p21.dynect.net2015-08-09 → 2017-10-29 · 4 obs

● 2015-08-09 14:51:44
● 2017-10-29 17:02:28
○ 2026-02-15 22:27:06
○ 2026-03-01 08:46:36

●NSns2.dnsimple.com2026-02-15 → 2026-03-01 · 3 obs

○ 2017-10-29 17:02:28
● 2026-02-15 22:27:06
● 2026-03-01 08:46:36

○NSns2.p21.dynect.net2015-08-09 → 2017-10-29 · 4 obs

● 2015-08-09 14:51:44
● 2017-10-29 17:02:28
○ 2026-02-15 22:27:06
○ 2026-03-01 08:46:36

●NSns3.dnsimple.com2026-02-15 → 2026-03-01 · 3 obs

○ 2017-10-29 17:02:28
● 2026-02-15 22:27:06
● 2026-03-01 08:46:36

○NSns3.p21.dynect.net2015-08-09 → 2017-10-29 · 4 obs

● 2015-08-09 14:51:44
● 2017-10-29 17:02:28
○ 2026-02-15 22:27:06
○ 2026-03-01 08:46:36

●NSns4.dnsimple-edge.org2026-02-15 → 2026-03-01 · 3 obs

○ 2017-10-29 17:02:28
● 2026-02-15 22:27:06
● 2026-03-01 08:46:36

○NSns4.p21.dynect.net2015-08-09 → 2017-10-29 · 4 obs

● 2015-08-09 14:51:44
● 2017-10-29 17:02:28
○ 2026-02-15 22:27:06
○ 2026-03-01 08:46:36

●A216.146.39.1252015-08-09 → 2026-03-01 · 2 obs

● 2015-08-09 14:51:44
● 2026-03-01 08:46:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
contextboston.com	ns1.dnsimple.com, ns2.dnsimple.com, ns3.dnsimple.com, ns4.dnsimple-edge.org	6 records

✅ Authoritative Response

Server: 162.159.24.4

NS records: ns1.dnsimple.com, ns2.dnsimple.com, ns3.dnsimple.com, ns4.dnsimple-edge.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for contextboston.com (unsigned zone)

⏱️ Timing

Total: 288ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`216.146.39.125`
NS	4	`ns1.dnsimple.com, ns2.dnsimple.com...`
SOA	1	`ns1.dnsimple.com admin.dnsimple.com`

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (ns1.dnsimple.com, ns1.dnsimple.com, ns2.dnsimple.com...)

Analysis

IP Addresses

contextboston.com points to a single IP number: 216.146.39.125.

Other host names, for instance auto-coaching.ch, auto-coaching.com, www.host-n2o.ch, giu.gov.ms and luthyperformance.com share IP numbers with contextboston.com.

Name Servers

contextboston.com is delegated to four name servers: ns1.dnsimple.com, ns2.dnsimple.com, ns3.dnsimple.com and ns4.dnsimple-edge.org.

contextboston.com shares name servers with other domains at least partially, for instance duccats.com, stephenroyparker.com, jameschambers.com, rothliving.com and brasstaxes.com.

these name servers are commonly used together with ns2.dnsimple-edge.net and ns4.dnsimple.com.

Host names with two IP numbers:

ns1.dnsimple.com resolves to 2400:cb00:2049:1::a29f:1804 and 162.159.24.4.

ns2.dnsimple.com resolves to 2620:111:8005::53 and 199.247.153.53.

ns3.dnsimple.com resolves to 2400:cb00:2049:1::a29f:1a04 and 162.159.26.4.

ns4.dnsimple-edge.org resolves to 2620:111:8007::53 and 199.247.155.53.

contextboston.com - robtex.com