zarr.dev - dns.ninja

`zarr.dev`

DNSSEC	⚠️ Not signed
A	2606:50c0:8000::153^{🇺🇸 Fastly2606:50c0:8000::/48 88 Colin P Kelly Jr Street San Francisco CA 94107 United States}
A	2606:50c0:8001::153^{🇺🇸 Fastly2606:50c0:8001::/48 + 88 Colin P Kelly Jr Street San Francisco CA 94107 United States}
A	2606:50c0:8002::153^{🇺🇸 Fastly2606:50c0:8002::/48 + 88 Colin P Kelly Jr Street San Francisco CA 94107 United States}
A	2606:50c0:8003::153^{🇺🇸 Fastly2606:50c0:8003::/48 + 88 Colin P Kelly Jr Street San Francisco CA 94107 United States}
A	185.199.108.153^{🇺🇸 Fastly185.199.108.0/24 GitHub - 185.199.108.0/24}
A	185.199.109.153^{🇺🇸 Fastly185.199.109.0/24 GitHub - 185.199.109.0/24}
A	185.199.110.153^{🇺🇸 Fastly185.199.110.0/24 GitHub - 185.199.110.0/24}
A	185.199.111.153^{🇺🇸 Fastly185.199.111.0/24 GitHub - 185.199.111.0/24}
NS	`pdns1.registrar-servers.com` ⭐
		A	2610:a1:1024::100^{🇺🇸 MAINT-ID-120082610:a1:1024::/48 Neustar}
		A	156.154.132.100^{🇺🇸 MAINT-ID-12008156.154.132.0/24 Neustar}
NS	`pdns2.registrar-servers.com`
		A	2610:a1:1025::100^{🇺🇸 MAINT-ID-120082610:a1:1025::/48 Neustar}
		A	156.154.133.100^{🇺🇸 MAINT-ID-12008156.154.133.0/24 Neustar}
MX	`eforward1.registrar-servers.com` ⭐
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
MX	`eforward2.registrar-servers.com` ⭐
		A	162.255.118.52^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
MX	`eforward3.registrar-servers.com` ⭐
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
MX	`eforward4.registrar-servers.com`⁽¹⁵⁾
		A	162.255.118.52^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
MX	`eforward5.registrar-servers.com`⁽²⁰⁾
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
TXT	`OSSRH-91788`
TXT	`v=spf1 include:spf.efwd.registrar-servers.com ~all`
SOA	`pdns1.registrar-servers.com`hostmaster@registrar-servers.com serial=1732736123

`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

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DNS History

15 records (15 active, 0 former)

●NSpdns1.registrar-servers.com2026-04-29 → 2026-07-23 · 2 obs

● 2026-04-29 22:57:06
● 2026-07-23 13:56:52

●NSpdns2.registrar-servers.com2026-04-29 → 2026-07-23 · 2 obs

● 2026-04-29 22:57:06
● 2026-07-23 13:56:52

●MXeforward1.registrar-servers.com2026-04-29 → 2026-07-23 · 2 obs

● 2026-04-29 22:57:06
● 2026-07-23 13:56:52

●MXeforward2.registrar-servers.com2026-04-29 → 2026-07-23 · 2 obs

● 2026-04-29 22:57:06
● 2026-07-23 13:56:52

●MXeforward3.registrar-servers.com2026-04-29 → 2026-07-23 · 2 obs

● 2026-04-29 22:57:06
● 2026-07-23 13:56:52

●MXeforward4.registrar-servers.com2026-04-29 → 2026-07-23 · 2 obs

● 2026-04-29 22:57:06
● 2026-07-23 13:56:52

●MXeforward5.registrar-servers.com2026-04-29 → 2026-07-23 · 2 obs

● 2026-04-29 22:57:06
● 2026-07-23 13:56:52

●A185.199.108.1532026-04-29 → 2026-07-23 · 2 obs

● 2026-04-29 22:57:06
● 2026-07-23 13:56:52

●A185.199.109.1532026-04-29 → 2026-07-23 · 2 obs

● 2026-04-29 22:57:06
● 2026-07-23 13:56:52

●A185.199.110.1532026-04-29 → 2026-07-23 · 2 obs

● 2026-04-29 22:57:06
● 2026-07-23 13:56:52

●A185.199.111.1532026-04-29 → 2026-07-23 · 2 obs

● 2026-04-29 22:57:06
● 2026-07-23 13:56:52

●A2606:50c0:8000::1532026-04-29 → 2026-07-23 · 2 obs

● 2026-04-29 22:57:06
● 2026-07-23 13:56:52

●A2606:50c0:8001::1532026-04-29 → 2026-07-23 · 2 obs

● 2026-04-29 22:57:06
● 2026-07-23 13:56:52

●A2606:50c0:8002::1532026-04-29 → 2026-07-23 · 2 obs

● 2026-04-29 22:57:06
● 2026-07-23 13:56:52

●A2606:50c0:8003::1532026-04-29 → 2026-07-23 · 2 obs

● 2026-04-29 22:57:06
● 2026-07-23 13:56:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	-
zarr.dev	pdns1.registrar-servers.com, pdns2.registrar-servers.com	-

✅ Authoritative Response

Server:156.154.133.100

NS records: pdns1.registrar-servers.com, pdns2.registrar-servers.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for zarr.dev (unsigned zone)

⏱️ Timing

Total: 2353ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`185.199.109.153, 185.199.110.153...`
AAAA	4	`2606:50c0:8000::153, 2606:50c0:8002::153...`
NS	2	`pdns1.registrar-servers.com, pdns2.registrar-servers.com`
MX	5	`eforward1.registrar-servers.com (pri: 10, eforward2.registrar-servers.com (pri: 10...`
TXT	2	`OSSRH-91788, v=spf1 include:spf.efwd.registrar-server`
SOA	1	`pdns1.registrar-servers.com hostmaster.r`

Analysis

IP Addresses

zarr.dev points to 8 IP addresses, including 185.199.108.153, 185.199.109.153 and 185.199.110.153, plus 5 other.

ikshamalhotra.github.io, justacallaway.org, majortomsair.com plus two other host names have IP numbers in common with zarr.dev.

Name Servers

The NS records for zarr.dev delegate to pdns1.registrar-servers.com and pdns2.registrar-servers.com.

The name server configuration of zarr.dev is shared with other domains, for instance flagmore.com, lemmeserver.com, alnooah.pro and two others.

At least some of zarr.dev's name servers are shared with other domains, for example manggaraitimurkab.go.id and audiencemeasurement.ba.

pdns1.registrar-servers.com resolves to 156.154.132.100 and 2610:a1:1024::100. Likewise, pdns2.registrar-servers.com resolves to 156.154.133.100 and 2610:a1:1025::100 — two IP addresses apiece.

Mail Servers

Five mail servers handle zarr.dev: eforward1.registrar-servers.com, eforward2.registrar-servers.com, eforward3.registrar-servers.com and two others.

At least some of the mail servers used by zarr.dev are shared with other domains: lordserials18.pro, yctww.com, 509santaclara.com and two others among them.

These mail servers often appear in conjunction with the mail servers eforward4.registrar-servers.com, eforward5.registrar-servers.com, eforward6.registrar-servers.com and eforward7.registrar-servers.com.

Host names resolving to a single IP address:

eforward1.registrar-servers.com resolves to the IP address 162.255.118.51.

eforward2.registrar-servers.com resolves to the IP address 162.255.118.52.

eforward3.registrar-servers.com resolves to the IP address 162.255.118.51.

eforward4.registrar-servers.com resolves to the IP address 162.255.118.52.

eforward5.registrar-servers.com resolves to the IP address 162.255.118.51.

Three host names point to 162.255.118.51: eforward1.registrar-servers.com, eforward3.registrar-servers.com and eforward5.registrar-servers.com.

eforward2.registrar-servers.com and eforward4.registrar-servers.com each have 162.255.118.52 IP addresses.