y3903.com - robtex.com

y3903.com

DNSSEC⚠️ Not signed
A18.166.174.197🇭🇰 Amazon18.166.0.0/15 EC2 HKG prefix
PTRec2-18-166-174-197.ap-east-1.compute.amazonaws.com
A35.229.226.44🇹🇼 Google35.229.128.0/17
A45.156.221.11🇺🇸 DDOS-PROTECTION-LTD45.156.221.0/24
A45.156.221.12🇺🇸 DDOS-PROTECTION-LTD45.156.221.0/24
A54.46.75.85🇺🇸 Amazon54.46.0.0/17 EC2 HKG prefix
A156.240.110.244🇭🇰 HKCICL-AS-AP156.240.110.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED
A156.240.110.248🇭🇰 HKCICL-AS-AP156.240.110.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED
A210.79.61.18🇭🇰 EDTCL-HK210.79.61.0/24 EVERY DAY TECHNOLOGY CO. LIMITED UNIT 04,7/F,BRIGHT WAY TOWER,NO.33
NSedns153.ultradns.com ⭐ ⚠️ Not in parent delegation
A2001:502:f3ff::299🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar
PTRedns153.ultradns.com
A204.74.66.153🇺🇸 MAINT-ID-12008204.74.66.0/24 Neustar
PTRedns153.ultradns.com
NSedns153.ultradns.biz ⚠️ Not in parent delegation
A2610:a1:1015::299🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar
PTRedns153.ultradns.biz
A204.74.67.153🇺🇸 MAINT-ID-12008204.74.67.0/24 Neustar
PTRedns153.ultradns.biz
NSedns153.ultradns.net ⚠️ Not in parent delegation
A2610:a1:1014::299🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar
PTRedns153.ultradns.net
A204.74.110.153🇺🇸 MAINT-ID-12008204.74.110.0/24 Neustar
PTRedns153.ultradns.net
NSedns153.ultradns.org ⚠️ Not in parent delegation
A2001:502:4612::299🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar
PTRedns153.ultradns.org
A204.74.111.153🇺🇸 MAINT-ID-12008204.74.111.0/24 Neustar
PTRedns153.ultradns.org
NSpdns104.ultradns.biz ⚠️ Not in zone NS records
A2610:a1:1015::8c🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar
PTRpdns104.ultradns.biz
A156.154.66.104🇺🇸 MAINT-ID-12008156.154.66.0/24 Neustar
PTRpdns104.ultradns.biz
NSpdns104.ultradns.com ⚠️ Not in zone NS records
A2001:502:f3ff::8c🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar
PTRpdns104.ultradns.com
A156.154.64.104🇺🇸 MAINT-ID-12008156.154.64.0/24 Neustar
PTRpdns104.ultradns.com
NSpdns104.ultradns.net ⚠️ Not in zone NS records
A2610:a1:1014::8c🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar
PTRpdns104.ultradns.net
A156.154.65.104🇺🇸 MAINT-ID-12008156.154.65.0/24 Neustar
PTRpdns104.ultradns.net
NSpdns104.ultradns.org ⚠️ Not in zone NS records
A2001:502:4612::8c🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar
PTRpdns104.ultradns.org
A156.154.67.104🇺🇸 MAINT-ID-12008156.154.67.0/24 Neustar
PTRpdns104.ultradns.org
SOAedns153.ultradns.comzhanghang8819@gmail.com 2023-07-31 #3

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1777309326

Same first word

y3903.com

Similar names

y9033.com
3930y.com
y3093.com

DNS History

19 records (16 active, 3 former)

2020202120222023202420252026NSedns153.ultradns.bizedns153.ultradns.comedns153.ultradns.netedns153.ultradns.orgpdns104.ultradns.bizpdns104.ultradns.compdns104.ultradns.netpdns104.ultradns.orgA156.240.110.244156.240.110.24818.166.174.197210.79.61.1835.229.226.4445.156.221.1145.156.221.1254.46.75.85103.233.97.15716.162.235.16543.198.198.107
●NSedns153.ultradns.biz2026-04-05 → 2026-04-27 · 2 obs
● 2026-04-05 06:40:44
● 2026-04-27 17:06:14
●NSedns153.ultradns.com2026-04-05 → 2026-04-27 · 2 obs
● 2026-04-05 06:40:44
● 2026-04-27 17:06:14
●NSedns153.ultradns.net2026-04-05 → 2026-04-27 · 2 obs
● 2026-04-05 06:40:44
● 2026-04-27 17:06:14
●NSedns153.ultradns.org2026-04-05 → 2026-04-27 · 2 obs
● 2026-04-05 06:40:44
● 2026-04-27 17:06:14
●NSpdns104.ultradns.biz2026-04-05 → 2026-04-27 · 2 obs
● 2026-04-05 06:40:44
● 2026-04-27 17:06:14
●NSpdns104.ultradns.com2026-04-05 → 2026-04-27 · 2 obs
● 2026-04-05 06:40:44
● 2026-04-27 17:06:14
●NSpdns104.ultradns.net2026-04-05 → 2026-04-27 · 2 obs
● 2026-04-05 06:40:44
● 2026-04-27 17:06:14
●NSpdns104.ultradns.org2026-04-05 → 2026-04-27 · 2 obs
● 2026-04-05 06:40:44
● 2026-04-27 17:06:14
○A103.233.97.1572019-12-14 → 2019-12-14 · 3 obs
● 2019-12-14 04:15:14
○ 2026-04-05 06:40:44
○ 2026-04-27 17:06:14
●A156.240.110.2442026-04-05 → 2026-04-27 · 3 obs
○ 2019-12-14 04:15:14
● 2026-04-05 06:40:44
● 2026-04-27 17:06:14
●A156.240.110.2482026-04-05 → 2026-04-27 · 3 obs
○ 2019-12-14 04:15:14
● 2026-04-05 06:40:44
● 2026-04-27 17:06:14
○A16.162.235.1652026-04-05 → 2026-04-05 · 5 obs
○ 2019-12-14 04:15:14
● 2026-04-05 06:40:44
● 2026-04-05 14:30:52
○ 2026-04-10 02:33:08
○ 2026-04-27 17:06:14
●A18.166.174.1972026-04-05 → 2026-04-27 · 3 obs
○ 2019-12-14 04:15:14
● 2026-04-05 06:40:44
● 2026-04-27 17:06:14
●A210.79.61.182026-04-05 → 2026-04-27 · 3 obs
○ 2019-12-14 04:15:14
● 2026-04-05 06:40:44
● 2026-04-27 17:06:14
●A35.229.226.442026-04-10 → 2026-04-27 · 3 obs
○ 2026-04-05 14:30:52
● 2026-04-10 02:33:08
● 2026-04-27 17:06:14
○A43.198.198.1072026-04-05 → 2026-04-05 · 5 obs
○ 2019-12-14 04:15:14
● 2026-04-05 06:40:44
● 2026-04-05 14:30:52
○ 2026-04-10 02:33:08
○ 2026-04-27 17:06:14
●A45.156.221.112026-04-05 → 2026-04-27 · 3 obs
○ 2019-12-14 04:15:14
● 2026-04-05 06:40:44
● 2026-04-27 17:06:14
●A45.156.221.122026-04-05 → 2026-04-27 · 3 obs
○ 2019-12-14 04:15:14
● 2026-04-05 06:40:44
● 2026-04-27 17:06:14
●A54.46.75.852026-04-05 → 2026-04-27 · 3 obs
○ 2019-12-14 04:15:14
● 2026-04-05 06:40:44
● 2026-04-27 17:06:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comc.gtld-servers.net, a.gtld-servers.net, d.gtld-servers.net, m.gtld-servers.net...-
y3903.compdns104.ultradns.net, pdns104.ultradns.com, pdns104.ultradns.biz, pdns104.ultradns.org2 records

✅ Authoritative Response

Server:156.154.66.104

NS records: pdns104.ultradns.net, pdns104.ultradns.com, pdns104.ultradns.biz, pdns104.ultradns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for y3903.com (unsigned zone)

⏱️ Timing

Total: 763ms | Queries: -

📄 Records

TypeCountSample Data
A845.156.221.12, 54.46.75.85...
NS4edns153.ultradns.biz, edns153.ultradns.com...
SOA1edns153.ultradns.com zhanghang8819.gmail

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (pdns104.ultradns.com, pdns104.ultradns.com)

Analysis

IP Addresses

y3903.com maps to eight IPs: 18.166.174.197, 35.229.226.44, 45.156.221.11, 45.156.221.12, 54.46.75.85, 156.240.110.244, 156.240.110.248 and 210.79.61.18.

Other host names, for instance 38kyty.net, 11277k.com, 6630y.com, 534kai.com and 11558k.com share IP numbers with y3903.com.

Name Servers

y3903.com delegates to eight name servers: edns153.ultradns.biz, pdns104.ultradns.biz, edns153.ultradns.com, pdns104.ultradns.com, edns153.ultradns.net, pdns104.ultradns.net, edns153.ultradns.org and pdns104.ultradns.org.

y3903.com shares name servers with other domains at least partially, for instance 7r597.com, ky771.cc, 9501y.com, 08766.com and iristel.org.

These name servers are often used with edns152.ultradns.biz, edns152.ultradns.com, edns152.ultradns.net, edns152.ultradns.org and ns1.mcomdc.com.

Host names with two IP numbers:

edns153.ultradns.biz points to: 2610:a1:1015::299 and 204.74.67.153

pdns104.ultradns.biz points to: 2610:a1:1015::8c and 156.154.66.104

edns153.ultradns.com points to: 2001:502:f3ff::299 and 204.74.66.153

pdns104.ultradns.com points to: 2001:502:f3ff::8c and 156.154.64.104

edns153.ultradns.net points to: 2610:a1:1014::299 and 204.74.110.153

pdns104.ultradns.net points to: 2610:a1:1014::8c and 156.154.65.104

edns153.ultradns.org points to: 2001:502:4612::299 and 204.74.111.153

pdns104.ultradns.org points to: 2001:502:4612::8c and 156.154.67.104