is-a.dev - dns.ninja

`is-a.dev`

DNSSEC	🔒 Signed (DS record present)
A	2606:4700::6812:467^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700::6812:567^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.18.4.103^{Cloudflare104.18.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.18.5.103^{Cloudflare104.18.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ns1.is-a.dev` ⭐
		A	2400:cb00:2049:1::a29f:1e8^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.1.232^{Cloudflare162.159.1.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.is-a.dev`
		A	2400:cb00:2049:1::a29f:3e4^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.3.228^{Cloudflare162.159.3.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns3.is-a.dev`
		A	2400:cb00:2049:1::a29f:4ed^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.4.237^{Cloudflare162.159.4.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns4.is-a.dev`
		A	2400:cb00:2049:1::a29f:6f9^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.6.249^{Cloudflare162.159.6.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`route1.mx.cloudflare.net` ⭐
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`route3.mx.cloudflare.net`⁽³⁶⁾
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽⁶²⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.18.4.103, 104.18.5.103
		IPv6 hints	2606:4700::6812:467, 2606:4700::6812:567
SOA	`ns1.is-a.dev`dns@cloudflare.com serial=2409957892

`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

rank #110271 globally
rank #95 in the tld

is-a.dev

is-a.dev is a free service that lets developers claim a personalized subdomain (e.g.yourname.is-a.dev) by submitting a pull request to a public GitHub repository. It is run as an open-source, community-driven project rather than a commercial company.

Key facts

Owner / operator: is-a.dev project maintainers (open-source community, hosted via GitHub)
TLD:.dev— gTLD (Google-operated, HSTS-preloaded)
Primary purpose: free subdomain hosting/registration for developer projects and personal sites
Status: active

Notable subdomains or services

yourname.is-a.dev— custom subdomains issued to individual users/projects via GitHub pull request, typically pointed at personal sites, portfolios, or other hosting services

📈 Tranco rank: #126,864
🔒 HSTS Preload (+subdomains)

Subdomains

ns4.is-a.dev

alvin.is-a.dev

8.is-a.dev

dhruvshridhar.is-a.dev

claudecio.is-a.dev

ns3.is-a.dev

ns1.is-a.dev

teknofestmagaza.is-a.dev

al-nahianhasan.is-a.dev

kappurumedia.is-a.dev

ns2.is-a.dev

null.is-a.dev

yxz.is-a.dev

aashutosh.is-a.dev

jeanclaude.is-a.dev

json.is-a.dev

devesh.is-a.dev

shockbs.is-a.dev

Same first word

is-a.top

is-a.software

is-a.name

is-a.org

is-a.cat

is-a.com

is-a.lol

is-a.dev

is-a.de

is-a.pk

is-a.no

is-a.pro

is-a.horse

Similar names

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i-sa.de

s-ia.com

a-si.com

s-ia.co.uk

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as-i.com.mx

s-ai.net

ai-s.com

as-i.de

i-as.eu

as-i.uk

si-a.net

as-i.ch

ai-s.jp

i-as.org

a-is.net

a-si.ru

i-sa.nl

sa-i.com

si-a.com

s-ai.com

i-as.net

i-sa.at

as-i.jp

si-a.jp

as-i.co.uk

sa-i.jp

ia-s.com

s-ai.co.jp

ai-s.ru

si-a.org

ai-s.net

a-is.info

s-ai.de

ai-s.org

ai-s.de

as-i.co

i-as.com

a-is.nl

sa-i.de

ai-s.co.jp

s-ai.org

s-ia.de

a-is.ru

s-ai.com.cn

as-i.ru

sa-i.org

ia-s.net

ai-s.eu

a-is.eu

ia-s.ru

DNS History

11 records (11 active, 0 former)

●NSns1.is-a.dev2026-02-14 → 2026-07-19 · 2 obs

● 2026-02-14 22:57:36
● 2026-07-19 15:19:10

●NSns2.is-a.dev2026-02-14 → 2026-07-19 · 2 obs

● 2026-02-14 22:57:36
● 2026-07-19 15:19:10

●NSns3.is-a.dev2026-02-14 → 2026-07-19 · 2 obs

● 2026-02-14 22:57:36
● 2026-07-19 15:19:10

●NSns4.is-a.dev2026-02-14 → 2026-07-19 · 2 obs

● 2026-02-14 22:57:36
● 2026-07-19 15:19:10

●MXroute1.mx.cloudflare.net2026-02-14 → 2026-07-19 · 2 obs

● 2026-02-14 22:57:36
● 2026-07-19 15:19:10

●MXroute2.mx.cloudflare.net2026-02-14 → 2026-07-19 · 2 obs

● 2026-02-14 22:57:36
● 2026-07-19 15:19:10

●MXroute3.mx.cloudflare.net2026-02-14 → 2026-07-19 · 2 obs

● 2026-02-14 22:57:36
● 2026-07-19 15:19:10

●A104.18.4.1032026-02-14 → 2026-07-19 · 2 obs

● 2026-02-14 22:57:36
● 2026-07-19 15:19:10

●A104.18.5.1032026-02-14 → 2026-07-19 · 2 obs

● 2026-02-14 22:57:36
● 2026-07-19 15:19:10

●A2606:4700::6812:4672026-02-14 → 2026-07-19 · 2 obs

● 2026-02-14 22:57:36
● 2026-07-19 15:19:10

●A2606:4700::6812:5672026-02-14 → 2026-07-19 · 2 obs

● 2026-02-14 22:57:36
● 2026-07-19 15:19:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	10 records
is-a.dev	ns2.is-a.dev, ns4.is-a.dev, ns1.is-a.dev, ns3.is-a.dev	8 records

✅ Authoritative Response

Server:162.159.1.232

NS records: ns2.is-a.dev, ns4.is-a.dev, ns1.is-a.dev, ns3.is-a.dev

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 530ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.18.4.103, 104.18.5.103`
AAAA	2	`2606:4700::6812:567, 2606:4700::6812:467`
NS	4	`ns1.is-a.dev, ns2.is-a.dev...`
MX	3	`route1.mx.cloudflare.net (pri: 34), route3.mx.cloudflare.net (pri: 36)...`
TXT	1	`v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ns1.is-a.dev dns.cloudflare.com`

📌 Glue Records Collected

Total: 18

In-bailiwick: 8 (ns2.is-a.dev, ns2.is-a.dev, ns1.is-a.dev...)

Out-of-bailiwick: 10 (ns-tld1.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...)

Analysis

Hierarchy

ns4.is-a.dev, alvin.is-a.dev, 8.is-a.dev, dhruvshridhar.is-a.dev, claudecio.is-a.dev and a few other host names are all children of is-a.dev.

IP Addresses

is-a.dev directs to four IP numbers, which are 104.18.4.103, 104.18.5.103, 2606:4700::6812:467 and 2606:4700::6812:567.

Two other host names, along with 66zz3.com, shockbs.is-a.dev and ecmtransport.com, also share IP numbers with is-a.dev.

Name Servers

The NS records for is-a.dev point to four name servers: ns1.is-a.dev, ns2.is-a.dev, ns3.is-a.dev and ns4.is-a.dev.

Each of the four hosts ns1.is-a.dev, ns2.is-a.dev, ns3.is-a.dev and ns4.is-a.dev has two IP addresses. ns1.is-a.dev points to 162.159.1.232 and 2400:cb00:2049:1::a29f:1e8. ns2.is-a.dev points to 162.159.3.228 and 2400:cb00:2049:1::a29f:3e4. ns3.is-a.dev points to 162.159.4.237 and 2400:cb00:2049:1::a29f:4ed. ns4.is-a.dev points to 162.159.6.249 and 2400:cb00:2049:1::a29f:6f9.

Mail Servers

Mail for is-a.dev is routed through three mail servers — route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

There is at least a partial MX overlap between is-a.dev and other domains, including flu(0x706f726e).com, gardendesignershertfordshire.co.uk, studiesbd.com and two others.

DNS names with 6 IP addresses:

route1.mx.cloudflare.net maps to 162.159.205.11, 162.159.205.12, 162.159.205.13 and 3 additional IP addresses.

route2.mx.cloudflare.net maps to 162.159.205.17, 162.159.205.18, 162.159.205.19 and 3 additional IP addresses.

route3.mx.cloudflare.net maps to 162.159.205.23, 162.159.205.24, 162.159.205.25 and 3 additional IP addresses.