a4r.dev - dns.ninja

`a4r.dev`

DNSSEC	⚠️ Not signed
A	76.76.21.22^{🇺🇸 Amazon76.76.21.0/24 EC2 Prefix}
A	76.76.21.61^{🇺🇸 Amazon76.76.21.0/24 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	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c1b::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`wv-in-f27.1e100.net`
		A	2607:f8b0:4004:c25::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadtq-in-f27.1e100.net`
		A	2607:f8b0:4004:c29::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadum-in-f27.1e100.net`
		A	2607:f8b0:4004:c2d::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`ry-in-f27.1e100.net`
		A	142.251.163.26^{🇺🇸 Google142.251.163.0/24}
			PTR	`wv-in-f26.1e100.net`
		A	142.251.163.27^{🇺🇸 Google142.251.163.0/24}
			PTR	`wv-in-f27.1e100.net`
		A	173.194.45.26^{🇺🇸 Google173.194.0.0/16}
			PTR	`yuiadum-in-f26.1e100.net`
		A	192.178.218.26^{🇺🇸 Google192.178.218.0/24}
			PTR	`yuiadtq-in-f26.1e100.net`
		A	192.179.18.26^{🇺🇸 Google192.178.0.0/15}
			PTR	`ry-in-f26.1e100.net`
MX	`jpiksypu77xe7ma4pwxnvjchxddvzglffp67msmhvl5cc2qa2o3q.mx-verification.google.com`⁽¹⁵⁾
SOA	`ns1.vercel-dns.com`hostmaster@nsone.net serial=1688331854

`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

a4r.nl

a4r.eu

a4r.org

a4r.ca

a4r.de

a4r.me

a4r.co.nz

a4r.uber.space

a4r.at

a4r.org.uk

a4r.ie

a4r.com

a4r.pl

a4r.ch

a4r.dev

Similar names

ar4.cz

ar4.sakura.ne.jp

4ra.cc

r4a.ru

ar4.de

4ra.pl

4ar.de

ar4.me

r4a.eu

r4a.com.au

ra4.xyz

r4a.co

4ra.world

4ar.net

ar4.it

4ra.com

ra4.si

ar4.net

4ra.ru

r4a.top

ar4.us

4ra.ai

ar4.lv

4ra.space

ar4.biz

4ra.de

r4a.us

4ra.nl

ra4.ru

ra4.com

4ra.cn

ra4.nl

4ra.info

ar4.com

ar4.pl

ar4.buzz

4ra.com.mx

r4a.de

4ra.in

ra4.net

ar4.ru

ar4.mobi

4ar.org

ar4.ro

4ar.cn

r4a.net

4ra.co.tz

r4a.world

4ra.net

ra4.de

DNS History

18 records (6 active, 12 former)

●NSns1.vercel-dns.com2026-04-30 → 2026-07-31 · 2 obs

● 2026-04-30 12:09:18
● 2026-07-31 01:03:28

●NSns2.vercel-dns.com2026-04-30 → 2026-07-31 · 2 obs

● 2026-04-30 12:09:18
● 2026-07-31 01:03:28

●MXjpiksypu77xe7ma4pwxnvjchxddvzglffp67msmhvl5cc2qa2o3q.mx-verification.google.com2026-04-30 → 2026-07-31 · 2 obs

● 2026-04-30 12:09:18
● 2026-07-31 01:03:28

●MXsmtp.google.com2026-04-30 → 2026-07-31 · 2 obs

● 2026-04-30 12:09:18
● 2026-07-31 01:03:28

○A66.33.60.1292026-05-02 → 2026-05-02 · 6 obs

○ 2026-05-01 22:10:50
● 2026-05-02 17:24:14
○ 2026-05-02 19:52:00
● 2026-05-02 20:36:32
○ 2026-05-03 08:34:46
○ 2026-07-31 01:03:28

○A66.33.60.1302026-04-30 → 2026-05-01 · 4 obs

● 2026-04-30 12:09:18
● 2026-05-01 22:10:50
○ 2026-05-02 17:24:14
○ 2026-07-31 01:03:28

○A66.33.60.1932026-05-08 → 2026-06-10 · 9 obs

○ 2026-05-07 23:07:54
● 2026-05-08 07:18:30
○ 2026-05-14 21:16:36
○ 2026-05-24 07:54:52
● 2026-05-24 14:21:08
○ 2026-06-05 06:46:26
○ 2026-06-05 07:40:54
● 2026-06-10 18:21:10
○ 2026-07-31 01:03:28

○A66.33.60.1942026-04-30 → 2026-04-30 · 3 obs

● 2026-04-30 12:09:18
○ 2026-05-01 22:10:50
○ 2026-07-31 01:03:28

○A66.33.60.342026-05-07 → 2026-06-05 · 11 obs

○ 2026-05-07 21:38:22
● 2026-05-07 23:07:54
○ 2026-05-08 07:18:30
○ 2026-05-14 21:16:36
● 2026-05-18 22:18:40
● 2026-05-24 05:04:56
○ 2026-05-24 07:54:52
○ 2026-06-05 06:46:26
● 2026-06-05 07:40:54
○ 2026-06-10 18:21:10
○ 2026-07-31 01:03:28

○A66.33.60.662026-05-18 → 2026-06-10 · 6 obs

○ 2026-05-14 21:16:36
● 2026-05-18 22:18:40
○ 2026-05-24 05:04:56
○ 2026-06-05 07:40:54
● 2026-06-10 18:21:10
○ 2026-07-31 01:03:28

○A66.33.60.672026-05-02 → 2026-06-05 · 10 obs

○ 2026-05-02 19:52:00
● 2026-05-02 20:36:32
○ 2026-05-03 08:34:46
○ 2026-05-18 22:18:40
● 2026-05-24 05:04:56
○ 2026-05-24 07:54:52
○ 2026-05-24 14:21:08
● 2026-06-05 06:46:26
○ 2026-06-05 07:40:54
○ 2026-07-31 01:03:28

○A76.76.21.1232026-05-02 → 2026-05-07 · 7 obs

○ 2026-05-02 17:24:14
● 2026-05-02 19:52:00
○ 2026-05-02 20:36:32
○ 2026-05-05 08:31:16
● 2026-05-07 21:38:22
○ 2026-05-07 23:07:54
○ 2026-07-31 01:03:28

○A76.76.21.1422026-05-02 → 2026-05-02 · 4 obs

○ 2026-05-02 17:24:14
● 2026-05-02 19:52:00
○ 2026-05-02 20:36:32
○ 2026-07-31 01:03:28

○A76.76.21.1642026-05-07 → 2026-05-24 · 7 obs

○ 2026-05-05 08:31:16
● 2026-05-07 21:38:22
○ 2026-05-07 23:07:54
○ 2026-05-24 05:04:56
● 2026-05-24 07:54:52
○ 2026-05-24 14:21:08
○ 2026-07-31 01:03:28

●A76.76.21.222026-05-01 → 2026-07-31 · 15 obs

○ 2026-04-30 12:09:18
● 2026-05-01 22:10:50
○ 2026-05-02 17:24:14
○ 2026-05-02 20:36:32
● 2026-05-03 08:34:46
● 2026-05-05 08:31:16
○ 2026-05-07 21:38:22
○ 2026-05-08 07:18:30
● 2026-05-14 21:16:36
○ 2026-05-18 22:18:40
○ 2026-05-24 07:54:52
● 2026-05-24 14:21:08
○ 2026-06-05 06:46:26
○ 2026-06-10 18:21:10
● 2026-07-31 01:03:28

○A76.76.21.2412026-05-02 → 2026-06-05 · 14 obs

○ 2026-05-01 22:10:50
● 2026-05-02 17:24:14
○ 2026-05-02 19:52:00
○ 2026-05-03 08:34:46
● 2026-05-03 11:03:42
● 2026-05-05 08:31:16
○ 2026-05-07 21:38:22
○ 2026-05-07 23:07:54
● 2026-05-08 07:18:30
○ 2026-05-14 21:16:36
○ 2026-06-05 06:46:26
● 2026-06-05 07:40:54
○ 2026-06-10 18:21:10
○ 2026-07-31 01:03:28

●A76.76.21.612026-05-07 → 2026-07-31 · 10 obs

○ 2026-05-07 21:38:22
● 2026-05-07 23:07:54
○ 2026-05-08 07:18:30
● 2026-05-14 21:16:36
○ 2026-05-18 22:18:40
○ 2026-05-24 05:04:56
● 2026-05-24 07:54:52
○ 2026-05-24 14:21:08
○ 2026-06-10 18:21:10
● 2026-07-31 01:03:28

○A76.76.21.932026-05-03 → 2026-06-05 · 7 obs

○ 2026-05-02 20:36:32
● 2026-05-03 08:34:46
○ 2026-05-03 11:03:42
○ 2026-05-24 14:21:08
● 2026-06-05 06:46:26
○ 2026-06-05 07:40:54
○ 2026-07-31 01:03:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
a4r.dev	ns1.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 a4r.dev (unsigned zone)

⏱️ Timing

Total: 363ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`66.33.60.34, 76.76.21.22`
NS	2	`ns1.vercel-dns.com, ns2.vercel-dns.com`
MX	2	`smtp.google.com (pri: 1), jpiksypu77xe7ma4pwxnvjchxddvzglffp67msmh`
SOA	1	`ns1.vercel-dns.com hostmaster.nsone.net`

Analysis

IP Addresses

a4r.dev points to the IP addresses 76.76.21.22 and 76.76.21.61

Among the host names that share IP numbers with a4r.dev are 2.1.finnian.app, mctnd.com, ns.abo.ro and two others.

Name Servers

Two name servers handle the delegation for a4r.dev: ns1.vercel-dns.com and ns2.vercel-dns.com.

a4r.dev has the same name server delegation as a number of other domains, such as adrianv.net, enjoyit.com.au, every-tools.com and two more.

There is at least partial name server overlap between a4r.dev and other domains — clipper.website, giaytranhung.vn, bezvamaturak.cz and two more among them.

These name servers tend to appear in combination with the name servers f.zeit-world.net, e.zeit-world.com, c.zeit-world.org and a.zeit-world.co.uk.

ns1.vercel-dns.com and ns2.vercel-dns.com both carry two IP addresses. The A records for ns1.vercel-dns.com are 198.51.44.13 and 2620:4d:4000:6259:7:13:0:1; the A records for ns2.vercel-dns.com are 198.51.45.13 and 2a00:edc0:6259:7:13::2.

Mail Servers

The MX records for a4r.dev point to two mail servers: smtp.google.com and jpiksypu77xe7ma4pwxnvjchxddvzglffp67msmhvl5cc2qa2o3q.mx-verification.google.com.

a4r.dev shares at least some of its mail servers with other domains — for example geru.mn, ride-o.com, shop-by-print.html.collections.myweekclothing.com and two more.

Host names resolving to 9 IP numbers:

smtp.google.com resolves to 142.251.163.26, 142.251.163.27 and 173.194.45.26 among others, with 6 other IP addresses in total.