`manengcourses.com`

DNSSEC	⚠️ Not signed
A	98.126.233.43^{🇺🇸 VPLS}
		PTR	`98.126.233.43.static.customer.vpls.net`
NS	`a7.share-dns.com` ⭐ ⚠️ Not in parent delegation
		A	172.64.53.25^{🇺🇸 Cloudflare}
			PTR	`ip-172-64-53-25.defastlink.net`
NS	`a.share-dns.com` ⚠️ Not in zone NS records
		A	172.64.53.25^{🇺🇸 Cloudflare}
			PTR	`ip-172-64-53-25.defastlink.net`
NS	`b.share-dns.net` ⚠️ Not in zone NS records
		A	172.64.52.239^{🇺🇸 Cloudflare}
			PTR	`ip-172-64-52-239.defastlink.net`
NS	`b7.share-dns.net` ⚠️ Not in parent delegation
		A	172.64.52.239^{🇺🇸 Cloudflare}
			PTR	`ip-172-64-52-239.defastlink.net`
SOA	`a.share-dns.com`master@share-dns.com serial=1762882457

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1771291435

Previously MX for

manengcourses.com

Up

www.manengcourses.com

Same first word

manengcourses.com

DNS History

11 records (5 active, 6 former)

●NSa.share-dns.com2026-02-15 → 2026-02-21 · 3 obs

○ 2017-11-01 00:21:40
● 2026-02-15 05:02:16
● 2026-02-21 09:38:20

●NSa7.share-dns.com2026-02-15 → 2026-02-21 · 3 obs

○ 2017-11-01 00:21:40
● 2026-02-15 05:02:16
● 2026-02-21 09:38:20

●NSb.share-dns.net2026-02-15 → 2026-02-21 · 3 obs

○ 2017-11-01 00:21:40
● 2026-02-15 05:02:16
● 2026-02-21 09:38:20

●NSb7.share-dns.net2026-02-15 → 2026-02-21 · 3 obs

○ 2017-11-01 00:21:40
● 2026-02-15 05:02:16
● 2026-02-21 09:38:20

○NSns.inmotionhosting.com2016-12-15 → 2016-12-15 · 3 obs

● 2016-12-15 21:19:02
○ 2017-11-01 00:21:40
○ 2026-02-21 09:38:20

○NSns1.inmotionhosting.com2017-11-01 → 2017-11-01 · 4 obs

○ 2016-12-15 21:19:02
● 2017-11-01 00:21:40
○ 2026-02-15 05:02:16
○ 2026-02-21 09:38:20

○NSns2.inmotionhosting.com2016-12-15 → 2017-11-01 · 4 obs

● 2016-12-15 21:19:02
● 2017-11-01 00:21:40
○ 2026-02-15 05:02:16
○ 2026-02-21 09:38:20

○MXmanengcourses.com2016-12-15 → 2026-02-15 · 4 obs

● 2016-12-15 21:19:02
● 2026-02-15 05:02:16
○ 2026-02-21 02:34:30
○ 2026-02-21 09:38:20

○A198.46.81.252017-11-01 → 2017-11-01 · 4 obs

○ 2016-12-15 21:19:02
● 2017-11-01 00:21:40
○ 2026-02-15 05:02:16
○ 2026-02-21 09:38:20

○A69.174.48.2282016-12-15 → 2016-12-15 · 3 obs

● 2016-12-15 21:19:02
○ 2017-11-01 00:21:40
○ 2026-02-21 09:38:20

●A98.126.233.432026-02-15 → 2026-02-21 · 3 obs

○ 2017-11-01 00:21:40
● 2026-02-15 05:02:16
● 2026-02-21 09:38:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
manengcourses.com	b7.share-dns.net, a7.share-dns.com	1 record

✅ Authoritative Response

Server: 172.64.52.239

NS records: b7.share-dns.net, a7.share-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for manengcourses.com (unsigned zone)

⏱️ Timing

Total: 4855ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`98.126.233.43`
NS	2	`a.share-dns.com, b.share-dns.net`
SOA	1	`a.share-dns.com master.share-dns.com`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (a7.share-dns.com)

AI analysis

www.manengcourses.com has manengcourses.com as its parent.

manengcourses.com maps to IP address 98.126.233.43.

Other host names, for instance mail.xingfuchufang.com, creativenoobs.com, xidh.cn, 35seconds.com and www.factscolumn.com share IP numbers with manengcourses.com.

manengcourses.com is delegated to four name servers: a7.share-dns.com, a.share-dns.com, b7.share-dns.net and b.share-dns.net.

manengcourses.com at least partially shares name servers with other domains such as dacaitong.com, online-goal.com, zsanya.com, crisis2crisis.com and chengdudouyan.com.

These name servers are often used together with a8.share-dns.com, b8.share-dns.net, a6.share-dns.com, b6.share-dns.net, a4.share-dns.com, b4.share-dns.net, a2.share-dns.com, b2.share-dns.net, a9.share-dns.com and b9.share-dns.net.

Hostnames with a single IP

a7.share-dns.com resolves to 172.64.53.25

a.share-dns.com resolves to 172.64.53.25

b7.share-dns.net resolves to 172.64.52.239

b.share-dns.net resolves to 172.64.52.239

Hostnames pointing to 172.64.53.25: a7.share-dns.com and a.share-dns.com

Hostnames pointing to 172.64.52.239: b7.share-dns.net and b.share-dns.net

manengcourses.com - robtex.com