ybtest31.com - robtex.com

ybtest31.com

DNSSEC⚠️ Not signed
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 2021-11-10 #14

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=1784668812

Same first word

ybtest31.com

DNS History

19 records (8 active, 11 former)

2020202120222023202420252026NSedns153.ultradns.bizedns153.ultradns.comedns153.ultradns.netedns153.ultradns.orgpdns104.ultradns.bizpdns104.ultradns.compdns104.ultradns.netpdns104.ultradns.orgns17.domaincontrol.comns18.domaincontrol.comA184.168.221.35184.168.221.36184.168.221.40184.168.221.42184.168.221.45184.168.221.5550.63.202.4650.63.202.5050.63.202.59
●NSedns153.ultradns.biz2026-02-28 → 2026-07-21 · 3 obs
○ 2019-01-26 07:56:24
● 2026-02-28 15:02:02
● 2026-07-21 21:26:16
●NSedns153.ultradns.com2026-02-28 → 2026-07-21 · 3 obs
○ 2019-01-26 07:56:24
● 2026-02-28 15:02:02
● 2026-07-21 21:26:16
●NSedns153.ultradns.net2026-02-28 → 2026-07-21 · 3 obs
○ 2019-01-26 07:56:24
● 2026-02-28 15:02:02
● 2026-07-21 21:26:16
●NSedns153.ultradns.org2026-02-28 → 2026-07-21 · 3 obs
○ 2019-01-26 07:56:24
● 2026-02-28 15:02:02
● 2026-07-21 21:26:16
○NSns17.domaincontrol.com2019-01-26 → 2019-01-26 · 3 obs
● 2019-01-26 07:56:24
○ 2026-02-28 15:02:02
○ 2026-07-21 21:26:16
○NSns18.domaincontrol.com2019-01-26 → 2019-01-26 · 3 obs
● 2019-01-26 07:56:24
○ 2026-02-28 15:02:02
○ 2026-07-21 21:26:16
●NSpdns104.ultradns.biz2026-02-28 → 2026-07-21 · 3 obs
○ 2019-01-26 07:56:24
● 2026-02-28 15:02:02
● 2026-07-21 21:26:16
●NSpdns104.ultradns.com2026-02-28 → 2026-07-21 · 3 obs
○ 2019-01-26 07:56:24
● 2026-02-28 15:02:02
● 2026-07-21 21:26:16
●NSpdns104.ultradns.net2026-02-28 → 2026-07-21 · 3 obs
○ 2019-01-26 07:56:24
● 2026-02-28 15:02:02
● 2026-07-21 21:26:16
●NSpdns104.ultradns.org2026-02-28 → 2026-07-21 · 3 obs
○ 2019-01-26 07:56:24
● 2026-02-28 15:02:02
● 2026-07-21 21:26:16
○A184.168.221.352019-01-26 → 2019-01-26 · 3 obs
● 2019-01-26 07:56:24
○ 2026-02-28 15:02:02
○ 2026-07-21 21:26:16
○A184.168.221.362019-01-26 → 2019-01-26 · 3 obs
● 2019-01-26 07:56:24
○ 2026-02-28 15:02:02
○ 2026-07-21 21:26:16
○A184.168.221.402019-01-26 → 2019-01-26 · 3 obs
● 2019-01-26 07:56:24
○ 2026-02-28 15:02:02
○ 2026-07-21 21:26:16
○A184.168.221.422019-01-26 → 2019-01-26 · 3 obs
● 2019-01-26 07:56:24
○ 2026-02-28 15:02:02
○ 2026-07-21 21:26:16
○A184.168.221.452019-01-26 → 2019-01-26 · 3 obs
● 2019-01-26 07:56:24
○ 2026-02-28 15:02:02
○ 2026-07-21 21:26:16
○A184.168.221.552019-01-26 → 2019-01-26 · 3 obs
● 2019-01-26 07:56:24
○ 2026-02-28 15:02:02
○ 2026-07-21 21:26:16
○A50.63.202.462019-01-26 → 2019-01-26 · 3 obs
● 2019-01-26 07:56:24
○ 2026-02-28 15:02:02
○ 2026-07-21 21:26:16
○A50.63.202.502019-01-26 → 2019-01-26 · 3 obs
● 2019-01-26 07:56:24
○ 2026-02-28 15:02:02
○ 2026-07-21 21:26:16
○A50.63.202.592019-01-26 → 2019-01-26 · 3 obs
● 2019-01-26 07:56:24
○ 2026-02-28 15:02:02
○ 2026-07-21 21:26:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comk.gtld-servers.net, c.gtld-servers.net, a.gtld-servers.net, e.gtld-servers.net...-
ybtest31.compdns104.ultradns.net, pdns104.ultradns.com, pdns104.ultradns.biz, pdns104.ultradns.org2 records

✅ Authoritative Response

Server:156.154.65.104

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ybtest31.com (unsigned zone)

⏱️ Timing

Total: 442ms | Queries: -

📄 Records

TypeCountSample Data
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

Name Servers

The DNS delegation for ybtest31.com covers 8 name servers: edns153.ultradns.biz, pdns104.ultradns.biz, edns153.ultradns.com and 5 more.

ybtest31.com partially shares its NS delegation with several other domains, including k851.cc, suvzm0.vip, k7726.com and two others.

In DNS configurations, these name servers often share authority with pdns104.ultradns.com, pdns104.ultradns.net, pdns104.ultradns.org and 7 other name servers.

Host names with two IP numbers:

edns153.ultradns.biz maps to two IP addresses — 204.74.67.153 and 2610:a1:1015::299.

pdns104.ultradns.biz maps to two IP addresses — 156.154.66.104 and 2610:a1:1015::8c.

edns153.ultradns.com maps to two IP addresses — 204.74.66.153 and 2001:502:f3ff::299.

pdns104.ultradns.com maps to two IP addresses — 156.154.64.104 and 2001:502:f3ff::8c.

edns153.ultradns.net maps to two IP addresses — 204.74.110.153 and 2610:a1:1014::299.

pdns104.ultradns.net maps to two IP addresses — 156.154.65.104 and 2610:a1:1014::8c.

edns153.ultradns.org maps to two IP addresses — 204.74.111.153 and 2001:502:4612::299.

pdns104.ultradns.org maps to two IP addresses — 156.154.67.104 and 2001:502:4612::8c.