🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`ispfirst.dev`

DNSSEC	⚠️ Not signed
A	216.150.1.193^{🇨🇦 Amazon216.150.1.0/24 EC2 Prefix}
A	216.150.16.1^{🇨🇦 Amazon216.150.16.0/24 EC2 Prefix}
NS	`ns1.vercel-dns.com` ⭐
		A	2620:4d:4000:6259:7:13:0:1^{🇺🇸 NSONE2620:4d:4000::/48 PNAP-ACS nsone-1}
			PTR	`dns1.p13.nsone.net`
		A	198.51.44.13^{🇺🇸 NSONE198.51.44.0/24}
			PTR	`dns1.p13.nsone.net`
NS	`ns2.vercel-dns.com`
		A	2a00:edc0:6259:7:13::2^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns2.p13.nsone.net`
		A	198.51.45.13^{🇺🇸 NSONE198.51.45.0/24}
			PTR	`dns2.p13.nsone.net`
MX	`ispfirst-dev.mail.protection.outlook.com` ⭐
MX	`mx01.mail.icloud.com`⁽¹⁰⁾
		A	17.42.251.62^{🇺🇸 Apple17.42.0.0/16}
		A	17.56.9.31^{🇺🇸 Apple17.56.9.0/24}
		A	17.57.152.5^{🇺🇸 Apple17.57.152.0/23}
		A	17.57.154.33^{🇺🇸 Apple17.57.154.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple17.57.155.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
MX	`mx02.mail.icloud.com`⁽¹⁰⁾
TXT	`v=spf1 redirect=icloud.com`
SOA	`ns1.vercel-dns.com`hostmaster@nsone.net serial=1790879769

`dev`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=1

🔒 HSTS Preload (+subdomains)

Same first word

ispfirst.com

ispfirst.dev

Similar names

Previous names

isource.dev

isoutsource.dev

isouza.dev

isovel.dev

isoveris.dev

isowa.dev

isoward.dev

isox.dev

isp.dev

ispa.dev

ispace.dev

ispan.dev

ispark.dev

ispartan.dev

isparto.dev

ispe.dev

ispeakbot.dev

ispeaktime.dev

ispector.dev

ispeed.dev

Next names

ispflow.dev

ispg.dev

ispgateway.dev

isphere.dev

ispi.dev

ispida.dev

ispik.dev

ispill.dev

ispir.dev

isplay.dev

ispm.dev

ispman.dev

ispo.dev

ispo152.dev

ispoof.dev

isportsapps.dev

ispp.dev

ispqlrnh.dev

ispring.dev

ispringen.dev

DNS History

12 records (7 active, 5 former)

●NSns1.vercel-dns.com2026-10-01 → 2026-11-12 · 2 obs

● 2026-10-01 19:08:52
● 2026-11-12 04:16:22

●NSns2.vercel-dns.com2026-10-01 → 2026-11-12 · 2 obs

● 2026-10-01 19:08:52
● 2026-11-12 04:16:22

●MXispfirst-dev.mail.protection.outlook.com2026-10-01 → 2026-11-12 · 2 obs

● 2026-10-01 19:08:52
● 2026-11-12 04:16:22

●MXmx01.mail.icloud.com2026-10-01 → 2026-11-12 · 2 obs

● 2026-10-01 19:08:52
● 2026-11-12 04:16:22

●MXmx02.mail.icloud.com2026-10-01 → 2026-11-12 · 2 obs

● 2026-10-01 19:08:52
● 2026-11-12 04:16:22

○A216.150.1.12026-10-01 → 2026-11-01 · 5 obs

● 2026-10-01 19:08:52
○ 2026-10-08 08:14:36
● 2026-11-01 10:52:36
○ 2026-11-04 03:39:00
○ 2026-11-12 04:16:22

○A216.150.1.1292026-10-08 → 2026-11-11 · 14 obs

○ 2026-10-01 19:08:52
● 2026-10-08 08:14:36
○ 2026-10-19 05:56:42
● 2026-10-26 18:59:08
○ 2026-10-27 21:43:10
● 2026-10-28 21:36:46
○ 2026-10-29 09:46:50
● 2026-10-30 10:09:34
○ 2026-10-30 22:17:46
● 2026-10-31 22:38:56
○ 2026-11-05 16:13:08
● 2026-11-11 12:31:34
○ 2026-11-11 13:18:02
○ 2026-11-12 04:16:22

●A216.150.1.1932026-10-01 → 2026-11-12 · 8 obs

● 2026-10-01 19:08:52
○ 2026-10-08 08:14:36
● 2026-10-26 06:17:24
○ 2026-10-27 07:41:42
● 2026-11-11 11:10:46
○ 2026-11-11 12:31:34
● 2026-11-12 04:06:24
● 2026-11-12 04:16:22

○A216.150.1.652026-10-25 → 2026-11-11 · 12 obs

○ 2026-10-19 05:56:42
● 2026-10-25 11:33:22
○ 2026-10-26 18:59:08
● 2026-10-27 07:41:42
○ 2026-10-27 20:25:22
● 2026-10-27 21:43:10
○ 2026-10-28 09:00:42
● 2026-10-31 22:38:56
○ 2026-11-01 10:52:36
● 2026-11-11 10:12:44
○ 2026-11-11 12:31:34
○ 2026-11-12 04:16:22

●A216.150.16.12026-10-08 → 2026-11-12 · 13 obs

○ 2026-10-01 19:08:52
● 2026-10-08 08:14:36
○ 2026-10-26 06:17:24
● 2026-10-27 20:25:22
○ 2026-10-27 21:43:10
● 2026-10-28 21:36:46
○ 2026-10-30 10:09:34
● 2026-10-30 22:17:46
○ 2026-10-31 22:38:56
● 2026-11-05 16:13:08
○ 2026-11-11 11:10:46
● 2026-11-11 13:18:02
● 2026-11-12 04:16:22

○A216.150.16.1292026-10-28 → 2026-11-11 · 10 obs

○ 2026-10-27 21:43:10
● 2026-10-28 09:00:42
○ 2026-10-28 21:36:46
● 2026-10-29 09:46:50
○ 2026-10-31 22:38:56
● 2026-11-04 03:39:00
○ 2026-11-04 23:38:34
● 2026-11-11 12:31:34
○ 2026-11-11 13:18:02
○ 2026-11-12 04:16:22

○A216.150.16.1932026-10-19 → 2026-11-11 · 10 obs

○ 2026-10-08 08:14:36
● 2026-10-19 05:56:42
○ 2026-10-25 11:33:22
● 2026-10-27 21:43:10
○ 2026-10-28 21:36:46
● 2026-11-04 23:38:34
○ 2026-11-11 10:12:44
● 2026-11-11 13:18:02
○ 2026-11-12 04:06:24
○ 2026-11-12 04:16:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
ispfirst.dev	ns2.vercel-dns.com, ns1.vercel-dns.com	-

✅ Authoritative Response

Server:198.51.45.13

NS records: ns2.vercel-dns.com, ns1.vercel-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ispfirst.dev (unsigned zone)

⏱️ Timing

Total: 1085ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`216.150.1.65, 216.150.16.193`
NS	2	`ns1.vercel-dns.com, ns2.vercel-dns.com`
MX	3	`ispfirst-dev.mail.protection.outlook.com, mx01.mail.icloud.com (pri: 10)...`
TXT	1	`v=spf1 redirect=icloud.com`
SOA	1	`ns1.vercel-dns.com hostmaster.nsone.net`

Analysis

IP Addresses

ispfirst.dev directs to two IP numbers, 216.150.1.193 and 216.150.16.1

olfactable.com, firstpersonscience.com, rippedintobeing.com plus two other host names have IP numbers in common with ispfirst.dev.

Name Servers

ispfirst.dev is delegated to two name servers: ns1.vercel-dns.com and ns2.vercel-dns.com.

The name server configuration of ispfirst.dev is shared with other domains, for instance garagedoorkathleen.com, xtremecr.com, solostatlive.com and two others.

ispfirst.dev shares at least some of its name servers with other domains, such as tradingedge.my.

ns1.vercel-dns.com and ns2.vercel-dns.com each resolve to two IP addresses: ns1.vercel-dns.com points to 198.51.44.13 and 2620:4d:4000:6259:7:13:0:1, while ns2.vercel-dns.com points to 198.51.45.13 and 2a00:edc0:6259:7:13::2.

Mail Servers

ispfirst.dev is handled by three mail servers: mx01.mail.icloud.com, mx02.mail.icloud.com and ispfirst-dev.mail.protection.outlook.com.

At least some of the mail servers used by ispfirst.dev are shared with other domains: matthewon.com, maisoui.work, abigailswim.com and two others among them.

Hosts with 6 IP addresses each:

mx01.mail.icloud.com resolves to 17.42.251.62, 17.56.9.31, 17.57.152.5 and 3 other IP addresses.

ispfirst.dev - robtex.com

ispfirst.dev

dev

Same first word

Similar names

Previous names

Next names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`ispfirst.dev`

`dev`