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`521github.com`

DNSSEC	⚠️ Not signed
A	192.157.56.141^{🇺🇸 SERVER-MANIA}
		PTR	`ip-192-157-56-141.defastlink.net`
NS	`ns1.emu-dns.com` ⭐
		A	64.120.31.81^{🇺🇸 LEASEWEB-USA-NYC-11}
			PTR	`ip-64-120-31-81.defastlink.net`
NS	`ns1.brainydns.com`
		A	23.19.67.18^{🇺🇸 LEASEWEB-USA-LAX-11}
			PTR	`watchmanagement.net`
		A	64.120.31.81^{🇺🇸 LEASEWEB-USA-NYC-11}
			PTR	`ip-64-120-31-81.defastlink.net`
		A	74.63.241.18^{🇺🇸 Limestone Networks}
			PTR	`18-241-63-74.static.reverse.lstn.net`
		A	192.157.56.138^{🇺🇸 SERVER-MANIA}
			PTR	`server.en.gs`
		A	199.115.116.161^{🇺🇸 LEASEWEB-US}
			PTR	`ip-199-115-116-161.defastlink.net`
		A	207.244.67.194^{🇺🇸 LEASEWEB-US}
			PTR	`ip-207-244-67-194.defastlink.net`
		A	208.115.247.67^{🇺🇸 Limestone Networks}
			PTR	`67-247-115-208.static.reverse.lstn.net`
		A	216.245.197.162^{🇺🇸 Limestone Networks}
			PTR	`162-197-245-216.static.reverse.lstn.net`
NS	`ns2.brainydns.com`
		A	5.79.71.13^{🇳🇱 LEASEWEB-NL-AMS-01}
			PTR	`ip-5-79-71-13.defastlink.net`
		A	212.32.255.112^{🇳🇱 LEASEWEB-NL-AMS-01}
			PTR	`ip-212-32-255-112.defastlink.net`
		A	212.92.104.1^{🇳🇱 NFORCE}
			PTR	`ip-212-92-104-1.defastlink.net`
		A	212.92.104.113^{🇳🇱 NFORCE}
			PTR	`ip-212-92-104-113.defastlink.net`
SOA	`ns1.emu-dns.com`admin@521github.com 2026-02-09 #3

	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=1770918430

Zone	Nameservers	Glue
521github.com	ns1.brainydns.com, ns2.brainydns.com	-

Server: 192.157.56.138

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

⚠️ Insecure (no DNSSEC)

No DS record for 521github.com (unsigned zone)

Total: 200ms | Queries: -

Type	Count	Sample Data
A	1	`212.32.255.111`
NS	2	`ns1.emu-dns.com, ns2.emu-dns.com`
SOA	1	`ns1.brainydns.com admin.521github.com`

521github.com points to IP number 192.157.56.141.

The delegation for 521github.com is handled by three name servers: ns1.brainydns.com, ns2.brainydns.com and ns1.emu-dns.com.

521github.com shares name servers with other domains at least partially, for example eexx88.com, container-one.com, wdif.org, testbankhost.com and direcdtv.com.

These name servers are commonly used with ns2.emu-dns.com.