`51slh.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::6815:10fc^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:d9bf^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.16.252^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.217.191^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`brady.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cd7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brady.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3d7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`brady.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23d7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`brady.ns.cloudflare.com`
		A	108.162.195.215^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brady.ns.cloudflare.com`
		A	162.159.44.215^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brady.ns.cloudflare.com`
		A	172.64.35.215^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brady.ns.cloudflare.com`
NS	`meadow.ns.cloudflare.com`
		A	2606:4700:50::a29f:2633^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meadow.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c233^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`meadow.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2233^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`meadow.ns.cloudflare.com`
		A	108.162.194.51^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meadow.ns.cloudflare.com`
		A	162.159.38.51^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meadow.ns.cloudflare.com`
		A	172.64.34.51^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meadow.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.16.252, 172.67.217.191
		IPv6 hints	2606:4700:3036::6815:10fc, 2606:4700:3036::ac43:d9bf
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=252, name=cloudflare-ech.com
SOA	`brady.ns.cloudflare.com`dns@cloudflare.com serial=2409632009

`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=1785200147

Previously NS for

51slh.com

Same first word

51slh.com

Similar names

51lsh.cn

51lsh.com

51hsl.com

DNS History

16 records (6 active, 10 former)

○NS51slh.com2015-07-20 → 2016-02-10 · 4 obs

● 2015-07-20 21:50:52
● 2016-02-10 01:49:02
○ 2016-07-26 23:02:22
○ 2026-07-28 01:02:44

●NSbrady.ns.cloudflare.com2026-06-30 → 2026-07-28 · 3 obs

○ 2026-04-07 10:59:38
● 2026-06-30 06:18:40
● 2026-07-28 01:02:44

●NSmeadow.ns.cloudflare.com2026-06-30 → 2026-07-28 · 3 obs

○ 2026-04-07 10:59:38
● 2026-06-30 06:18:40
● 2026-07-28 01:02:44

○NSns1.julydns.com2026-04-07 → 2026-04-07 · 4 obs

○ 2017-05-25 23:44:20
● 2026-04-07 10:59:38
○ 2026-06-30 06:18:40
○ 2026-07-28 01:02:44

○NSns2.julydns.com2026-04-07 → 2026-04-07 · 4 obs

○ 2017-05-25 23:44:20
● 2026-04-07 10:59:38
○ 2026-06-30 06:18:40
○ 2026-07-28 01:02:44

○NSns3.dnsdun.com2016-07-26 → 2017-05-25 · 5 obs

○ 2016-02-10 01:49:02
● 2016-07-26 23:02:22
● 2017-05-25 23:44:20
○ 2026-04-07 10:59:38
○ 2026-07-28 01:02:44

○NSns5.dnsdun.net2016-07-26 → 2017-05-25 · 5 obs

○ 2016-02-10 01:49:02
● 2016-07-26 23:02:22
● 2017-05-25 23:44:20
○ 2026-04-07 10:59:38
○ 2026-07-28 01:02:44

●A104.21.16.2522026-06-30 → 2026-07-28 · 3 obs

○ 2026-04-07 10:59:38
● 2026-06-30 06:18:40
● 2026-07-28 01:02:44

○A107.163.5.52015-07-20 → 2015-11-21 · 4 obs

● 2015-07-20 21:50:52
● 2015-11-21 10:12:00
○ 2016-02-10 01:49:02
○ 2026-07-28 01:02:44

●A172.67.217.1912026-06-30 → 2026-07-28 · 3 obs

○ 2026-04-07 10:59:38
● 2026-06-30 06:18:40
● 2026-07-28 01:02:44

○A216.12.169.1742016-02-10 → 2016-02-10 · 4 obs

○ 2015-11-21 10:12:00
● 2016-02-10 01:49:02
○ 2016-07-26 23:02:22
○ 2026-07-28 01:02:44

●A2606:4700:3036::6815:10fc2026-06-30 → 2026-07-28 · 3 obs

○ 2026-04-07 10:59:38
● 2026-06-30 06:18:40
● 2026-07-28 01:02:44

●A2606:4700:3036::ac43:d9bf2026-06-30 → 2026-07-28 · 3 obs

○ 2026-04-07 10:59:38
● 2026-06-30 06:18:40
● 2026-07-28 01:02:44

○A98.126.81.2002016-07-26 → 2017-05-25 · 5 obs

○ 2016-02-10 01:49:02
● 2016-07-26 23:02:22
● 2017-05-25 23:44:20
○ 2026-04-07 10:59:38
○ 2026-07-28 01:02:44

○CNAMEcn1-china-2.kututu.cc2026-04-07 → 2026-04-07 · 3 obs

● 2026-04-07 10:59:38
○ 2026-06-30 06:18:40
○ 2026-07-28 01:02:44

○CNAMEddd222222022.881812c.com2026-04-07 → 2026-07-28 · 2 obs

○ 2026-04-07 10:59:38
○ 2026-07-28 01:02:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, g.gtld-servers.net, j.gtld-servers.net, m.gtld-servers.net...	-
51slh.com	meadow.ns.cloudflare.com, brady.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.51

NS records: meadow.ns.cloudflare.com, brady.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 51slh.com (unsigned zone)

⏱️ Timing

Total: 589ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.217.191, 104.21.16.252`
AAAA	2	`2606:4700:3036::ac43:d9bf, 2606:4700:3036::6815:10fc`
NS	2	`brady.ns.cloudflare.com, meadow.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`brady.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (meadow.ns.cloudflare.com, meadow.ns.cloudflare.com, meadow.ns.cloudflare.com...)

Analysis

IP Addresses

51slh.com resolves to four IP addresses: 104.21.16.252, 172.67.217.191, 2606:4700:3036::6815:10fc and 2606:4700:3036::ac43:d9bf.

Two other host names, along with mail.masberlin.com, 2evolt.com and mail.ouyaforum.com, also share IP numbers with 51slh.com.

Name Servers

51slh.com has two authoritative name servers — brady.ns.cloudflare.com and meadow.ns.cloudflare.com.

51slh.com shares its NS records with other domains, for example oklinks.org, an(0x73686974)ong.com, derod.com and two others.

51slh.com has at least partial name server overlap with other domains, such as pin-up36z.com, 000525.xyz, doctorrayaneh.com and two others.

It is common to see these name servers used together with name servers valentin.ns.cloudflare.com and alexia.ns.cloudflare.com.

DNS names with 6 IP addresses:

brady.ns.cloudflare.com points to 108.162.195.215, 162.159.44.215, 172.64.35.215 and 3 other IP addresses.

meadow.ns.cloudflare.com points to 108.162.194.51, 162.159.38.51, 172.64.34.51 and 3 other IP addresses.

51slh.com - robtex.com

51slh.com

com

Previously NS for

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`51slh.com`

`com`