byuan-edu.com - robtex.com

byuan-edu.com

DNSSEC⚠️ Not signed
A154.220.121.167🇭🇰 MYCLOUD-AS-AP154.220.64.0/18 CloudFly Net Inc Pending
NSa5.share-dns.com ⭐ ⚠️ Not in parent delegation
A172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSa.share-dns.com ⚠️ Not in zone NS records
A172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSb.share-dns.net ⚠️ Not in zone NS records
A172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSb5.share-dns.net ⚠️ Not in parent delegation
A172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
SOAa.share-dns.commaster@share-dns.com serial=1780464772

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=1786554984

Same first word

byuan-edu.com

DNS History

18 records (5 active, 13 former)

2017201820192020202120222023202420252026NSa.share-dns.coma5.share-dns.comb.share-dns.netb5.share-dns.netexpire1.gname-dns.comexpire2.gname-dns.comns1.myhostadmin.netns2.myhostadmin.netns3.myhostadmin.netns4.myhostadmin.netns5.myhostadmin.netns6.myhostadmin.netA154.220.121.167118.123.22.86CNAMEbyuanedu.gotoip1.comexp.gname.netexp.gs-cdn.comweb.m86.vhostgo.com
●NSa.share-dns.com2026-06-28 → 2026-08-12 · 3 obs
○ 2026-04-28 22:10:14
● 2026-06-28 04:13:38
● 2026-08-12 17:45:42
●NSa5.share-dns.com2026-06-28 → 2026-08-12 · 3 obs
○ 2026-04-28 22:10:14
● 2026-06-28 04:13:38
● 2026-08-12 17:45:42
●NSb.share-dns.net2026-06-28 → 2026-08-12 · 3 obs
○ 2026-04-28 22:10:14
● 2026-06-28 04:13:38
● 2026-08-12 17:45:42
●NSb5.share-dns.net2026-06-28 → 2026-08-12 · 3 obs
○ 2026-04-28 22:10:14
● 2026-06-28 04:13:38
● 2026-08-12 17:45:42
○NSexpire1.gname-dns.com2026-03-26 → 2026-04-21 · 5 obs
○ 2017-10-12 14:24:32
● 2026-03-26 22:22:00
● 2026-04-21 20:46:12
○ 2026-04-28 22:10:14
○ 2026-08-12 17:45:42
○NSexpire2.gname-dns.com2026-03-26 → 2026-04-21 · 5 obs
○ 2017-10-12 14:24:32
● 2026-03-26 22:22:00
● 2026-04-21 20:46:12
○ 2026-04-28 22:10:14
○ 2026-08-12 17:45:42
○NSns1.myhostadmin.net2016-12-16 → 2017-10-12 · 4 obs
● 2016-12-16 23:13:48
● 2017-10-12 14:24:32
○ 2026-03-26 22:22:00
○ 2026-08-12 17:45:42
○NSns2.myhostadmin.net2016-12-16 → 2017-10-12 · 4 obs
● 2016-12-16 23:13:48
● 2017-10-12 14:24:32
○ 2026-03-26 22:22:00
○ 2026-08-12 17:45:42
○NSns3.myhostadmin.net2016-12-16 → 2017-10-12 · 4 obs
● 2016-12-16 23:13:48
● 2017-10-12 14:24:32
○ 2026-03-26 22:22:00
○ 2026-08-12 17:45:42
○NSns4.myhostadmin.net2016-12-16 → 2017-10-12 · 4 obs
● 2016-12-16 23:13:48
● 2017-10-12 14:24:32
○ 2026-03-26 22:22:00
○ 2026-08-12 17:45:42
○NSns5.myhostadmin.net2016-12-16 → 2017-10-12 · 4 obs
● 2016-12-16 23:13:48
● 2017-10-12 14:24:32
○ 2026-03-26 22:22:00
○ 2026-08-12 17:45:42
○NSns6.myhostadmin.net2016-12-16 → 2017-10-12 · 4 obs
● 2016-12-16 23:13:48
● 2017-10-12 14:24:32
○ 2026-03-26 22:22:00
○ 2026-08-12 17:45:42
○A118.123.22.862016-12-16 → 2016-12-16 · 3 obs
● 2016-12-16 23:13:48
○ 2017-10-12 14:24:32
○ 2026-08-12 17:45:42
●A154.220.121.1672026-06-28 → 2026-08-12 · 3 obs
○ 2017-10-12 14:24:32
● 2026-06-28 04:13:38
● 2026-08-12 17:45:42
○CNAMEbyuanedu.gotoip1.com2016-12-16 → 2017-10-12 · 4 obs
● 2016-12-16 23:13:48
● 2017-10-12 14:24:32
○ 2026-03-26 22:22:00
○ 2026-08-12 17:45:42
○CNAMEexp.gname.net2026-04-21 → 2026-04-21 · 4 obs
○ 2026-03-26 22:22:00
● 2026-04-21 20:46:12
○ 2026-04-28 22:10:14
○ 2026-08-12 17:45:42
○CNAMEexp.gs-cdn.com2026-03-26 → 2026-03-26 · 4 obs
○ 2017-10-12 14:24:32
● 2026-03-26 22:22:00
○ 2026-04-21 20:46:12
○ 2026-08-12 17:45:42
○CNAMEweb.m86.vhostgo.com2016-12-16 → 2016-12-16 · 3 obs
● 2016-12-16 23:13:48
○ 2017-10-12 14:24:32
○ 2026-08-12 17:45:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
byuan-edu.comb5.share-dns.net, a5.share-dns.com1 record

✅ Authoritative Response

Server:172.64.53.25

NS records: b5.share-dns.net, a5.share-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for byuan-edu.com (unsigned zone)

⏱️ Timing

Total: 145ms | Queries: -

📄 Records

TypeCountSample Data
A1154.220.121.167
NS2a.share-dns.com, b.share-dns.net
SOA1a.share-dns.com master.share-dns.com

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (a5.share-dns.com)

Analysis

IP Addresses

byuan-edu.com has exactly one IP address — 154.220.121.167.

Host names such as cdlfcm.com and ycxajg.com share IP numbers with byuan-edu.com.

Name Servers

Four name servers handle the delegation for byuan-edu.com: a5.share-dns.com, a.share-dns.com, b5.share-dns.net and b.share-dns.net.

byuan-edu.com shares at least some of its name servers with other domains, including lfssgis.com, tenglongdai.com, kktvsp099.top and two others.

These name servers are frequently seen alongside a4.share-dns.com, b4.share-dns.net, a2.share-dns.com and 7 other name servers.

a5.share-dns.com and a.share-dns.com share the IP address 172.64.53.25; b5.share-dns.net and b.share-dns.net share the IP address 172.64.52.239.

Both a5.share-dns.com and a.share-dns.com resolve to 172.64.53.25 IP addresses each.

Both b5.share-dns.net and b.share-dns.net resolve to 172.64.52.239 IP addresses each.