mathslib.com - dns.ninja

`mathslib.com`

DNSSEC	⚠️ Not signed
A	38.147.176.43^{🇺🇸 XNNET38.147.176.0/24 Proxy-registered route object}
NS	`ns1.julydns.com` ⭐ ⚠️ Not in parent delegation
		A	162.159.48.223^{Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns1.judns.com` ⚠️ Not in zone NS records
		A	162.159.27.251^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.judns.com` ⚠️ Not in zone NS records
		A	162.159.27.251^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.julydns.com` ⚠️ Not in parent delegation
		A	162.159.48.223^{Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
SOA	`ns1.julydns.com`master@jmdns.com serial=1765938234

`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=1785160062

Same first word

mathslib.com

Similar names

mathlibs.org

smithlab.net

listbham.com

labsmith.com

DNS History

14 records (5 active, 9 former)

○NSns1.bdydns.cn2018-07-15 → 2018-07-15 · 4 obs

○ 2015-10-24 00:54:46
● 2018-07-15 21:16:48
○ 2026-03-28 12:26:06
○ 2026-07-27 13:48:50

●NSns1.judns.com2026-03-28 → 2026-07-27 · 3 obs

○ 2018-07-15 21:16:48
● 2026-03-28 12:26:06
● 2026-07-27 13:48:50

●NSns1.julydns.com2026-03-28 → 2026-07-27 · 3 obs

○ 2018-07-15 21:16:48
● 2026-03-28 12:26:06
● 2026-07-27 13:48:50

○NSns2.bdydns.cn2018-07-15 → 2018-07-15 · 4 obs

○ 2015-10-24 00:54:46
● 2018-07-15 21:16:48
○ 2026-03-28 12:26:06
○ 2026-07-27 13:48:50

●NSns2.judns.com2026-03-28 → 2026-07-27 · 3 obs

○ 2018-07-15 21:16:48
● 2026-03-28 12:26:06
● 2026-07-27 13:48:50

●NSns2.julydns.com2026-03-28 → 2026-07-27 · 3 obs

○ 2018-07-15 21:16:48
● 2026-03-28 12:26:06
● 2026-07-27 13:48:50

○NSns51.domaincontrol.com2015-04-16 → 2015-04-16 · 3 obs

● 2015-04-16 04:37:26
○ 2015-10-24 00:54:46
○ 2026-07-27 13:48:50

○NSns52.domaincontrol.com2015-04-16 → 2015-04-16 · 3 obs

● 2015-04-16 04:37:26
○ 2015-10-24 00:54:46
○ 2026-07-27 13:48:50

○MXmailstore1.secureserver.net2015-04-16 → 2015-04-16 · 3 obs

● 2015-04-16 04:37:26
○ 2015-10-24 00:54:46
○ 2026-07-27 13:48:50

○MXmx.ym.163.com2018-07-15 → 2018-07-15 · 4 obs

○ 2015-10-24 00:54:46
● 2018-07-15 21:16:48
○ 2026-03-28 12:26:06
○ 2026-07-27 13:48:50

○MXsmtp.secureserver.net2015-04-16 → 2015-04-16 · 3 obs

● 2015-04-16 04:37:26
○ 2015-10-24 00:54:46
○ 2026-07-27 13:48:50

○A123.207.59.1912018-07-15 → 2018-07-15 · 4 obs

○ 2015-10-24 00:54:46
● 2018-07-15 21:16:48
○ 2026-03-28 12:26:06
○ 2026-07-27 13:48:50

●A38.147.176.432026-03-28 → 2026-07-27 · 3 obs

○ 2018-07-15 21:16:48
● 2026-03-28 12:26:06
● 2026-07-27 13:48:50

○A50.63.202.592015-04-16 → 2015-04-16 · 3 obs

● 2015-04-16 04:37:26
○ 2015-10-24 00:54:46
○ 2026-07-27 13:48:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
mathslib.com	ns1.judns.com, ns2.judns.com	2 records

✅ Authoritative Response

Server:162.159.27.251

NS records: ns1.judns.com, ns2.judns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathslib.com (unsigned zone)

⏱️ Timing

Total: 1364ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`38.147.176.43`
NS	2	`ns1.julydns.com, ns2.julydns.com`
SOA	1	`ns1.julydns.com master.jmdns.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.judns.com, ns2.judns.com)

Analysis

IP Addresses

mathslib.com resolves to one IP address: 38.147.176.43.

Name Servers

The authoritative name servers for mathslib.com are ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.

mathslib.com has at least partial name server overlap with other domains, such as usofun.com, truthfengshui.com, egggggg.com and two others.

It is common to see these name servers used together with name servers ns1.onclouddns.com and ns2.onclouddns.com.

Four host names each point to one IP address: ns1.judns.com and ns2.judns.com both point to 162.159.27.251, and ns1.julydns.com and ns2.julydns.com both point to 162.159.48.223.

The host names ns1.judns.com and ns2.judns.com both resolve to 162.159.27.251 IP addresses.

The host names ns1.julydns.com and ns2.julydns.com both resolve to 162.159.48.223 IP addresses.