a2dev.us - dns.ninja

a2dev.us

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:5e3b🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:dc4e🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.94.59Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.220.78🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSjoel.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3bb8🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjoel.ns.cloudflare.com
A2803:f800:50::6ca2:c1b8🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjoel.ns.cloudflare.com
A2a06:98c1:50::ac40:21b8🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjoel.ns.cloudflare.com
A108.162.193.184🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjoel.ns.cloudflare.com
A172.64.33.184🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjoel.ns.cloudflare.com
A173.245.59.184🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjoel.ns.cloudflare.com
NSrose.ns.cloudflare.com
A2606:4700:50::adf5:3a8d🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrose.ns.cloudflare.com
A2803:f800:50::6ca2:c08d🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRrose.ns.cloudflare.com
A2a06:98c1:50::ac40:208d🇺🇸 Cloudflare2a06:98c1:50::/45
PTRrose.ns.cloudflare.com
A108.162.192.141🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrose.ns.cloudflare.com
A172.64.32.141🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrose.ns.cloudflare.com
A173.245.58.141🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrose.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.94.59, 172.67.220.78
IPv6 hints2606:4700:3033::6815:5e3b, 2606:4700:3037::ac43:dc4e
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=5, name=cloudflare-ech.com
SOAjoel.ns.cloudflare.comdns@cloudflare.com serial=2405873317

us

DNSSEC🔒 Signed (DS record present)
NSa.cctld.us ⭐
NSb.cctld.us
NSf.cctld.us
NSk.cctld.us
NSm.cctld.us
NSn.cctld.us
NSw.cctld.us
NSx.cctld.us
NSy.cctld.us
SOAa.cctld.usadmin@tldns.godaddy serial=1782675615

Subdomains

www.a2dev.us

Same first word

a2dev.co.uk
a2dev.us
a2dev.com
a2dev.net

Similar names

dave2.org
2dave.de
a2edv.de
dev2a.com
2dave.us
2adev.com
dev2a.pro
veda2.s3.eu-north-1.amazonaws.com
2dave.com
dave2.com
adev2.com

DNS History

15 records (6 active, 9 former)

2020202120222023202420252026NSjoel.ns.cloudflare.comrose.ns.cloudflare.comA104.21.94.59172.67.220.782606:4700:3033::6815:5e3b2606:4700:3037::ac43:dc4e104.27.190.14104.27.191.14188.114.96.0188.114.97.02606:4700:30::681b:be0e2606:4700:30::681b:bf0e2606:4700:3037::6815:5e3b2a06:98c1:3120::2a06:98c1:3121::
●NSjoel.ns.cloudflare.com2019-01-27 → 2026-06-28 · 2 obs
● 2019-01-27 19:28:00
● 2026-06-28 19:47:44
●NSrose.ns.cloudflare.com2019-01-27 → 2026-06-28 · 2 obs
● 2019-01-27 19:28:00
● 2026-06-28 19:47:44
●A104.21.94.592026-03-04 → 2026-06-28 · 9 obs
○ 2019-01-27 19:28:00
● 2026-03-04 17:31:48
● 2026-03-28 17:16:16
○ 2026-03-30 11:26:10
● 2026-04-14 11:38:44
● 2026-06-12 03:11:20
○ 2026-06-15 02:23:18
○ 2026-06-18 05:41:58
● 2026-06-28 19:47:44
○A104.27.190.142019-01-27 → 2019-01-27 · 3 obs
● 2019-01-27 19:28:00
○ 2026-03-04 17:31:48
○ 2026-06-28 19:47:44
○A104.27.191.142019-01-27 → 2019-01-27 · 3 obs
● 2019-01-27 19:28:00
○ 2026-03-04 17:31:48
○ 2026-06-28 19:47:44
●A172.67.220.782026-03-04 → 2026-06-28 · 9 obs
○ 2019-01-27 19:28:00
● 2026-03-04 17:31:48
● 2026-03-28 17:16:16
○ 2026-03-30 11:26:10
● 2026-04-14 11:38:44
● 2026-06-12 03:11:20
○ 2026-06-15 02:23:18
○ 2026-06-18 05:41:58
● 2026-06-28 19:47:44
○A188.114.96.02026-03-30 → 2026-06-18 · 7 obs
○ 2026-03-28 17:16:16
● 2026-03-30 11:26:10
○ 2026-04-14 11:38:44
○ 2026-06-12 03:11:20
● 2026-06-15 02:23:18
● 2026-06-18 05:41:58
○ 2026-06-28 19:47:44
○A188.114.97.02026-03-30 → 2026-06-18 · 7 obs
○ 2026-03-28 17:16:16
● 2026-03-30 11:26:10
○ 2026-04-14 11:38:44
○ 2026-06-12 03:11:20
● 2026-06-15 02:23:18
● 2026-06-18 05:41:58
○ 2026-06-28 19:47:44
○A2606:4700:30::681b:be0e2019-01-27 → 2019-01-27 · 3 obs
● 2019-01-27 19:28:00
○ 2026-03-04 17:31:48
○ 2026-06-28 19:47:44
○A2606:4700:30::681b:bf0e2019-01-27 → 2019-01-27 · 3 obs
● 2019-01-27 19:28:00
○ 2026-03-04 17:31:48
○ 2026-06-28 19:47:44
●A2606:4700:3033::6815:5e3b2026-06-28 → 2026-06-28 · 2 obs
○ 2026-06-18 05:41:58
● 2026-06-28 19:47:44
○A2606:4700:3037::6815:5e3b2026-03-04 → 2026-06-12 · 8 obs
○ 2019-01-27 19:28:00
● 2026-03-04 17:31:48
● 2026-03-28 17:16:16
○ 2026-03-30 11:26:10
● 2026-04-14 11:38:44
● 2026-06-12 03:11:20
○ 2026-06-15 02:23:18
○ 2026-06-28 19:47:44
●A2606:4700:3037::ac43:dc4e2026-03-04 → 2026-06-28 · 9 obs
○ 2019-01-27 19:28:00
● 2026-03-04 17:31:48
● 2026-03-28 17:16:16
○ 2026-03-30 11:26:10
● 2026-04-14 11:38:44
● 2026-06-12 03:11:20
○ 2026-06-15 02:23:18
○ 2026-06-18 05:41:58
● 2026-06-28 19:47:44
○A2a06:98c1:3120::2026-03-30 → 2026-06-18 · 7 obs
○ 2026-03-28 17:16:16
● 2026-03-30 11:26:10
○ 2026-04-14 11:38:44
○ 2026-06-12 03:11:20
● 2026-06-15 02:23:18
● 2026-06-18 05:41:58
○ 2026-06-28 19:47:44
○A2a06:98c1:3121::2026-03-30 → 2026-06-18 · 7 obs
○ 2026-03-28 17:16:16
● 2026-03-30 11:26:10
○ 2026-04-14 11:38:44
○ 2026-06-12 03:11:20
● 2026-06-15 02:23:18
● 2026-06-18 05:41:58
○ 2026-06-28 19:47:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
usb.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us...-
a2dev.usjoel.ns.cloudflare.com, rose.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.59.184

NS records: joel.ns.cloudflare.com, rose.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for a2dev.us (unsigned zone)

⏱️ Timing

Total: 407ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.94.59, 172.67.220.78
AAAA22606:4700:3033::6815:5e3b, 2606:4700:3037::ac43:dc4e
NS2joel.ns.cloudflare.com, rose.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1joel.ns.cloudflare.com dns.cloudflare.co

Analysis

Hierarchy

a2dev.us is the parent zone for www.a2dev.us.

IP Addresses

a2dev.us resolves to four IP addresses: 104.21.94.59, 172.67.220.78, 2606:4700:3033::6815:5e3b and 2606:4700:3037::ac43:dc4e.

Two other host names, along with gralva.com, sevenvids.com and sbcl.im, also share IP numbers with a2dev.us.

Name Servers

DNS delegation for a2dev.us points to two name servers: joel.ns.cloudflare.com and rose.ns.cloudflare.com.

a2dev.us shares its NS records with other domains, for example 062pic.com, 062kkk.com, 0624400.com and two others.

a2dev.us partially shares its NS delegation with several other domains, including belvipechka.ru, macpaw.space, majorind.co.th and two others.

These name servers are regularly seen alongside steven.ns.cloudflare.com and lana.ns.cloudflare.com as name servers.

DNS names with 6 IP addresses:

joel.ns.cloudflare.com has IP addresses 108.162.193.184, 172.64.33.184 and 173.245.59.184, plus 3 other.

rose.ns.cloudflare.com has IP addresses 108.162.192.141, 172.64.32.141 and 173.245.58.141, plus 3 other.