coursesbywire.com - robtex.com

coursesbywire.com

DNSSEC⚠️ Not signed
A154.220.116.78🇭🇰 MYCLOUD-AS-AP154.220.64.0/18 CloudFly Net Inc Pending
NSa6.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
NSb6.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=1773502441

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=1774436597
WOT: UNKNOWN (60/100)

Subdomains

www.coursesbywire.com

DNS History

16 records (5 active, 11 former)

2008201020122014201620182020202220242026NSa.share-dns.coma6.share-dns.comb.share-dns.netb6.share-dns.netns01.domaincontrol.comns02.domaincontrol.comns1.worldwidedns.netns2.worldwidedns.netns3.worldwidedns.netnsg1.namebrightdns.comnsg2.namebrightdns.comMXmx1.emailsrvr.comA154.220.116.78207.236.109.5350.63.202.14CNAMEhdredirect-lb5-1afb6e2973825a56.elb.us-east-1.amazonaws.com
●NSa.share-dns.com2026-03-25 → 2026-03-25 · 2 obs
○ 2020-04-13 13:22:50
● 2026-03-25 11:14:38
●NSa6.share-dns.com2026-03-25 → 2026-03-25 · 2 obs
○ 2020-04-13 13:22:50
● 2026-03-25 11:14:38
●NSb.share-dns.net2026-03-25 → 2026-03-25 · 2 obs
○ 2020-04-13 13:22:50
● 2026-03-25 11:14:38
●NSb6.share-dns.net2026-03-25 → 2026-03-25 · 2 obs
○ 2020-04-13 13:22:50
● 2026-03-25 11:14:38
○NSns01.domaincontrol.com2015-08-24 → 2017-04-06 · 5 obs
○ 2007-10-31 12:53:56
● 2015-08-24 12:19:46
● 2017-04-06 21:00:34
○ 2020-04-13 13:22:50
○ 2026-03-25 11:14:38
○NSns02.domaincontrol.com2015-08-24 → 2017-04-06 · 5 obs
○ 2007-10-31 12:53:56
● 2015-08-24 12:19:46
● 2017-04-06 21:00:34
○ 2020-04-13 13:22:50
○ 2026-03-25 11:14:38
○NSns1.worldwidedns.net2007-10-31 → 2007-10-31 · 3 obs
● 2007-10-31 12:53:56
○ 2015-08-24 12:19:46
○ 2026-03-25 11:14:38
○NSns2.worldwidedns.net2007-10-31 → 2007-10-31 · 3 obs
● 2007-10-31 12:53:56
○ 2015-08-24 12:19:46
○ 2026-03-25 11:14:38
○NSns3.worldwidedns.net2007-10-31 → 2007-10-31 · 3 obs
● 2007-10-31 12:53:56
○ 2015-08-24 12:19:46
○ 2026-03-25 11:14:38
○NSnsg1.namebrightdns.com2020-04-13 → 2020-04-13 · 3 obs
○ 2017-04-06 21:00:34
● 2020-04-13 13:22:50
○ 2026-03-25 11:14:38
○NSnsg2.namebrightdns.com2020-04-13 → 2020-04-13 · 3 obs
○ 2017-04-06 21:00:34
● 2020-04-13 13:22:50
○ 2026-03-25 11:14:38
○MXmx1.emailsrvr.com2007-10-31 → 2017-04-06 · 4 obs
● 2007-10-31 12:53:56
● 2017-04-06 21:00:34
○ 2020-04-13 13:22:50
○ 2026-03-25 11:14:38
●A154.220.116.782026-03-25 → 2026-03-25 · 2 obs
○ 2020-04-13 13:22:50
● 2026-03-25 11:14:38
○A207.236.109.532007-10-31 → 2007-10-31 · 3 obs
● 2007-10-31 12:53:56
○ 2015-08-24 12:19:46
○ 2026-03-25 11:14:38
○A50.63.202.142015-08-24 → 2017-04-06 · 5 obs
○ 2007-10-31 12:53:56
● 2015-08-24 12:19:46
● 2017-04-06 21:00:34
○ 2020-04-13 13:22:50
○ 2026-03-25 11:14:38
○CNAMEhdredirect-lb5-1afb6e2973825a56.elb.us-east-1.amazonaws.com2020-04-13 → 2020-04-13 · 2 obs
● 2020-04-13 13:22:50
○ 2026-03-25 11:14:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
coursesbywire.comb6.share-dns.net, a6.share-dns.com1 record

✅ Authoritative Response

Server:172.64.53.25

NS records: b6.share-dns.net, a6.share-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coursesbywire.com (unsigned zone)

⏱️ Timing

Total: 76ms | Queries: -

📄 Records

TypeCountSample Data
A1154.220.116.78
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 (a6.share-dns.com)

Analysis

Hierarchy

The parent of www.coursesbywire.com is coursesbywire.com.

IP Addresses

coursesbywire.com points to IP number: 154.220.116.78.

Other host names, for instance yongshun888.com share IP numbers with coursesbywire.com.

Name Servers

coursesbywire.com is delegated to four name servers: a6.share-dns.com, a.share-dns.com, b6.share-dns.net and b.share-dns.net.

coursesbywire.com at least partially shares name servers with other domains, for instance acidlove.net, imlinker.com, imglet.com, taoyiliang.com and telfordtango.com.

These name servers are commonly used alongside a8.share-dns.com, b8.share-dns.net, a5.share-dns.com, b5.share-dns.net, ns1.gname-dns.com, ns2.gname-dns.com, a9.share-dns.com, b9.share-dns.net, a4.share-dns.com and b4.share-dns.net.

Host names with one IP target:

a6.share-dns.com maps to 172.64.53.25

a.share-dns.com maps to 172.64.53.25

b6.share-dns.net maps to 172.64.52.239

b.share-dns.net maps to 172.64.52.239

Host names that map to 172.64.53.25: a6.share-dns.com and a.share-dns.com

Host names that map to 172.64.52.239: b6.share-dns.net and b.share-dns.net