firststring.dev - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

firststring.dev

DNSSEC⚠️ Not signed
A216.150.1.1🇨🇦 Amazon216.150.1.0/24 EC2 Prefix
A216.150.1.65🇨🇦 Amazon216.150.1.0/24 EC2 Prefix
NSns1.vercel-dns.com ⭐
A2620:4d:4000:6259:7:13:0:1🇺🇸 NSONE2620:4d:4000::/48 PNAP-ACS nsone-1
PTRdns1.p13.nsone.net
A198.51.44.13🇺🇸 NSONE198.51.44.0/24
PTRdns1.p13.nsone.net
NSns2.vercel-dns.com
A2a00:edc0:6259:7:13::2🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2
PTRdns2.p13.nsone.net
A198.51.45.13🇺🇸 NSONE198.51.45.0/24
PTRdns2.p13.nsone.net
SOAns1.vercel-dns.comhostmaster@nsone.net serial=1777103913

dev

DNSSEC🔒 Signed (DS record present)
NSns-tld1.charlestonroadregistry.com ⭐
NSns-tld2.charlestonroadregistry.com
NSns-tld3.charlestonroadregistry.com
NSns-tld4.charlestonroadregistry.com
NSns-tld5.charlestonroadregistry.com
SOAns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1
🔒 HSTS Preload (+subdomains)

Same first word

firststring.cn
firststring.ru
firststring.biz
firststring.ai
firststring.io
firststring.co
firststring.us
firststring.dev

Previous names

firstpromo.dev
firstprompt.dev
firstpush.dev
firstqa.dev
firstr.dev
firstreply.dev
firstresort.dev
firstresponderprocessing.dev
firstresponse-ed.dev
firstresponseims.dev
firstrun.dev
firstry.dev
firstsite.dev
firstsnow.dev
firstsoft.dev
firstspark.dev
firststeps.dev
firststreet.dev
firststrike.dev

Next names

firststudent.dev
firstsynth.dev
firsttable.dev
firsttimeinforever.dev
firsttoken.dev
firsttry.dev
firstuser.dev
firstversion.dev
firstvibe.dev
firstview.dev
firstwalkers.dev
firstwatch.dev
firstwork.dev
firstx.dev
firt.dev
firth.dev
firu.dev
firxtjohn.dev
firy.dev

DNS History

10 records (4 active, 6 former)

NSns1.vercel-dns.comns2.vercel-dns.comA216.150.1.1216.150.1.65216.150.1.129216.150.1.193216.150.16.1216.150.16.129216.150.16.193216.150.16.65
●NSns1.vercel-dns.com2026-09-07 → 2026-09-14 · 2 obs
● 2026-09-07 17:06:00
● 2026-09-14 13:28:52
●NSns2.vercel-dns.com2026-09-07 → 2026-09-14 · 2 obs
● 2026-09-07 17:06:00
● 2026-09-14 13:28:52
●A216.150.1.12026-09-10 → 2026-09-14 · 7 obs
○ 2026-09-07 21:43:44
● 2026-09-10 22:07:56
○ 2026-09-11 08:43:54
● 2026-09-12 14:40:50
○ 2026-09-13 02:16:00
● 2026-09-14 13:28:50
● 2026-09-14 13:28:52
○A216.150.1.1292026-09-11 → 2026-09-14 · 8 obs
○ 2026-09-11 02:18:44
● 2026-09-11 08:43:54
○ 2026-09-11 18:37:08
● 2026-09-12 02:38:14
○ 2026-09-12 04:51:16
● 2026-09-14 09:26:32
○ 2026-09-14 11:08:52
○ 2026-09-14 13:28:52
○A216.150.1.1932026-09-07 → 2026-09-14 · 7 obs
● 2026-09-07 17:06:00
○ 2026-09-10 22:07:56
● 2026-09-11 02:18:44
○ 2026-09-11 08:43:54
● 2026-09-14 03:55:02
○ 2026-09-14 11:08:52
○ 2026-09-14 13:28:52
●A216.150.1.652026-09-11 → 2026-09-14 · 7 obs
○ 2026-09-11 13:52:22
● 2026-09-11 14:38:10
○ 2026-09-12 02:38:14
● 2026-09-12 14:40:50
○ 2026-09-13 19:06:50
● 2026-09-14 13:28:50
● 2026-09-14 13:28:52
○A216.150.16.12026-09-07 → 2026-09-14 · 9 obs
● 2026-09-07 17:06:00
○ 2026-09-07 21:43:44
● 2026-09-12 02:38:14
○ 2026-09-12 14:40:50
● 2026-09-13 19:06:50
○ 2026-09-14 03:55:02
● 2026-09-14 11:08:52
○ 2026-09-14 13:28:50
○ 2026-09-14 13:28:52
○A216.150.16.1292026-09-11 → 2026-09-13 · 6 obs
○ 2026-09-11 02:18:44
● 2026-09-11 08:43:54
○ 2026-09-11 13:52:22
● 2026-09-13 02:16:00
○ 2026-09-14 03:55:02
○ 2026-09-14 13:28:52
○A216.150.16.1932026-09-07 → 2026-09-14 · 10 obs
○ 2026-09-07 17:06:00
● 2026-09-07 21:43:44
○ 2026-09-11 02:18:44
● 2026-09-11 18:37:08
○ 2026-09-12 02:38:14
● 2026-09-14 03:55:02
○ 2026-09-14 09:26:32
● 2026-09-14 11:08:52
○ 2026-09-14 13:28:50
○ 2026-09-14 13:28:52
○A216.150.16.652026-09-11 → 2026-09-12 · 6 obs
○ 2026-09-11 08:43:54
● 2026-09-11 13:52:22
○ 2026-09-11 14:38:10
● 2026-09-12 04:51:16
○ 2026-09-12 14:40:50
○ 2026-09-14 13:28:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...-
firststring.devns1.vercel-dns.com, ns2.vercel-dns.com-

✅ Authoritative Response

Server:198.51.44.13

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firststring.dev (unsigned zone)

⏱️ Timing

Total: 464ms | Queries: -

📄 Records

TypeCountSample Data
A2216.150.16.129, 216.150.16.193
NS2ns1.vercel-dns.com, ns2.vercel-dns.com
SOA1ns1.vercel-dns.com hostmaster.nsone.net

Analysis

IP Addresses

firststring.dev directs to two IP numbers, 216.150.1.1 and 216.150.1.65

plotluck.app, rysana.co, mamas-welt.com plus two other host names have IP numbers in common with firststring.dev.

Name Servers

The NS records for firststring.dev delegate to ns1.vercel-dns.com and ns2.vercel-dns.com.

The name server configuration of firststring.dev is shared with other domains, for instance thecivicdata.com, markdowntohtml.net, rcbench.com and two others.

firststring.dev shares at least some of its name servers with domains including wehostu.in, ebereokorie.com.ng and mylexicon.by

ns1.vercel-dns.com resolves to 198.51.44.13 and 2620:4d:4000:6259:7:13:0:1. Likewise, ns2.vercel-dns.com resolves to 198.51.45.13 and 2a00:edc0:6259:7:13::2 — two IP addresses apiece.