is-a.dev - robtex.com

is-a.dev

DNSSEC⚠️ Not signed
A2606:4700::6812:467🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700::6812:567🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.18.4.103Cloudflare104.18.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.18.5.103Cloudflare104.18.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSns1.is-a.dev ⭐
A2400:cb00:2049:1::a29f:1e8🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A162.159.1.232Cloudflare162.159.1.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns2.is-a.dev
A2400:cb00:2049:1::a29f:3e4🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A162.159.3.228Cloudflare162.159.3.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns3.is-a.dev
A2400:cb00:2049:1::a29f:4ed🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A162.159.4.237Cloudflare162.159.4.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns4.is-a.dev
A2400:cb00:2049:1::a29f:6f9🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A162.159.6.249Cloudflare162.159.6.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
MXroute1.mx.cloudflare.net ⭐
A2606:4700:f5::b🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A2606:4700:f5::c🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A2606:4700:f5::d🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.11Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.12Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.13Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
MXroute3.mx.cloudflare.net(36)
A2606:4700:f5::11🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A2606:4700:f5::12🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A2606:4700:f5::13🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.23Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.24Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.25Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
MXroute2.mx.cloudflare.net(62)
A2606:4700:f5::e🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A2606:4700:f5::f🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A2606:4700:f5::10🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.17Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.18Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.19Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
TXTv=spf1 include:_spf.mx.cloudflare.net ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.18.4.103, 104.18.5.103
IPv6 hints2606:4700::6812:467, 2606:4700::6812:567
SOAns1.is-a.devdns@cloudflare.com serial=2401398366

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
rank #112458 globally
rank #90 in the tld
PASS📈 Tranco rank: #135,172
🔒 HSTS Preload (+subdomains)

Subdomains

ns4.is-a.dev
alvin.is-a.dev
ns3.is-a.dev
ns1.is-a.dev
al-nahianhasan.is-a.dev
kappurumedia.is-a.dev
ns2.is-a.dev
yxz.is-a.dev
json.is-a.dev
devesh.is-a.dev
shockbs.is-a.dev

Same first word

is-a.top
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

ai-s.cn
i-as.cn
i-sa.de
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a-si.com
s-ia.co.uk
as-i.com
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as-i.at
a-is.com
i-sa.com
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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
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i-sa.at
as-i.jp
si-a.jp
as-i.co.uk
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ia-s.com
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si-a.org
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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.devns2.is-a.devns3.is-a.devns4.is-a.devMXroute1.mx.cloudflare.netroute2.mx.cloudflare.netroute3.mx.cloudflare.netA104.18.4.103104.18.5.1032606:4700::6812:4672606:4700::6812:567
●NSns1.is-a.dev2026-02-14 → 2026-04-11 · 2 obs
● 2026-02-14 22:57:36
● 2026-04-11 17:55:12
●NSns2.is-a.dev2026-02-14 → 2026-04-11 · 2 obs
● 2026-02-14 22:57:36
● 2026-04-11 17:55:12
●NSns3.is-a.dev2026-02-14 → 2026-04-11 · 2 obs
● 2026-02-14 22:57:36
● 2026-04-11 17:55:12
●NSns4.is-a.dev2026-02-14 → 2026-04-11 · 2 obs
● 2026-02-14 22:57:36
● 2026-04-11 17:55:12
●MXroute1.mx.cloudflare.net2026-02-14 → 2026-04-11 · 2 obs
● 2026-02-14 22:57:36
● 2026-04-11 17:55:12
●MXroute2.mx.cloudflare.net2026-02-14 → 2026-04-11 · 2 obs
● 2026-02-14 22:57:36
● 2026-04-11 17:55:12
●MXroute3.mx.cloudflare.net2026-02-14 → 2026-04-11 · 2 obs
● 2026-02-14 22:57:36
● 2026-04-11 17:55:12
●A104.18.4.1032026-02-14 → 2026-04-11 · 2 obs
● 2026-02-14 22:57:36
● 2026-04-11 17:55:12
●A104.18.5.1032026-02-14 → 2026-04-11 · 2 obs
● 2026-02-14 22:57:36
● 2026-04-11 17:55:12
●A2606:4700::6812:4672026-02-14 → 2026-04-11 · 2 obs
● 2026-02-14 22:57:36
● 2026-04-11 17:55:12
●A2606:4700::6812:5672026-02-14 → 2026-04-11 · 2 obs
● 2026-02-14 22:57:36
● 2026-04-11 17:55:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld5.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com...-
is-a.devns4.is-a.dev, ns2.is-a.dev, ns1.is-a.dev, ns3.is-a.dev8 records

✅ Authoritative Response

Server:162.159.6.249

NS records: ns4.is-a.dev, ns2.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: 160ms | Queries: -

📄 Records

TypeCountSample Data
A2104.18.5.103, 104.18.4.103
AAAA22606:4700::6812:567, 2606:4700::6812:467
NS4ns1.is-a.dev, ns2.is-a.dev...
MX3route1.mx.cloudflare.net (pri: 34), route3.mx.cloudflare.net (pri: 36)...
TXT1v=spf1 include:_spf.mx.cloudflare.net ~a
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1ns1.is-a.dev dns.cloudflare.com

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (ns1.is-a.dev, ns1.is-a.dev, ns3.is-a.dev...)

Analysis

Hierarchy

is-a.dev is the parent of ns4.is-a.dev, alvin.is-a.dev, ns3.is-a.dev, ns1.is-a.dev, al-nahianhasan.is-a.dev and a few other host names.

IP Addresses

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

For instance, other host names shockbs.is-a.dev, ecmtransport.com, macitsupport.de, dafa196.com and speedwaymotorsports.com share IP numbers with is-a.dev.

Name Servers

is-a.dev is delegated to four name servers: ns1.is-a.dev, ns2.is-a.dev, ns3.is-a.dev and ns4.is-a.dev.

Host names with two IP numbers:

ns1.is-a.dev points to: 2400:cb00:2049:1::a29f:1e8 and 162.159.1.232

ns2.is-a.dev points to: 2400:cb00:2049:1::a29f:3e4 and 162.159.3.228

ns3.is-a.dev points to: 2400:cb00:2049:1::a29f:4ed and 162.159.4.237

ns4.is-a.dev points to: 2400:cb00:2049:1::a29f:6f9 and 162.159.6.249

Mail Servers

is-a.dev is served by three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

is-a.dev shares mail servers with other domains at least partially; for instance flu(0x706f726e).com, gardendesignershertfordshire.co.uk, woodlynpartners.com, studiesbd.com and reeftech.net.

Host names with six IP numbers:

route1.mx.cloudflare.net points to 2606:4700:f5::b, 2606:4700:f5::c, 2606:4700:f5::d, 162.159.205.11, 162.159.205.12 and 162.159.205.13.

route2.mx.cloudflare.net points to 2606:4700:f5::e, 2606:4700:f5::f, 2606:4700:f5::10, 162.159.205.17, 162.159.205.18 and 162.159.205.19.

route3.mx.cloudflare.net points to 2606:4700:f5::11, 2606:4700:f5::12, 2606:4700:f5::13, 162.159.205.23, 162.159.205.24 and 162.159.205.25.