`51assess.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:c113^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::6815:39df^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.57.223^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.193.19^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`aida.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a3a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aida.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c03a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`aida.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:203a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`aida.ns.cloudflare.com`
		A	108.162.192.58^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aida.ns.cloudflare.com`
		A	172.64.32.58^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aida.ns.cloudflare.com`
		A	173.245.58.58^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aida.ns.cloudflare.com`
NS	`clint.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b5a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clint.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c15a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`clint.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:215a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`clint.ns.cloudflare.com`
		A	108.162.193.90^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clint.ns.cloudflare.com`
		A	172.64.33.90^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clint.ns.cloudflare.com`
		A	173.245.59.90^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clint.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.57.223, 172.67.193.19
		IPv6 hints	2606:4700:3030::ac43:c113, 2606:4700:3031::6815:39df
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=37, name=cloudflare-ech.com
SOA	`aida.ns.cloudflare.com`dns@cloudflare.com serial=2400490408

`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=1776091722

Same first word

51assess.com

DNS History

17 records (6 active, 11 former)

●NSaida.ns.cloudflare.com2026-04-10 → 2026-04-13 · 3 obs

○ 2020-03-03 18:13:08
● 2026-04-10 20:08:52
● 2026-04-13 15:13:48

●NSclint.ns.cloudflare.com2026-04-10 → 2026-04-13 · 3 obs

○ 2020-03-03 18:13:08
● 2026-04-10 20:08:52
● 2026-04-13 15:13:48

○NSdns31.hichina.com2015-06-10 → 2016-01-14 · 4 obs

● 2015-06-10 07:11:10
● 2016-01-14 15:13:30
○ 2016-04-05 23:34:24
○ 2026-04-13 15:13:48

○NSdns32.hichina.com2015-06-10 → 2016-01-14 · 4 obs

● 2015-06-10 07:11:10
● 2016-01-14 15:13:30
○ 2016-04-05 23:34:24
○ 2026-04-13 15:13:48

○NSexpirens3.hichina.com2016-04-05 → 2016-04-05 · 4 obs

○ 2016-01-14 15:13:30
● 2016-04-05 23:34:24
○ 2016-09-16 13:38:00
○ 2026-04-13 15:13:48

○NSexpirens4.hichina.com2016-04-05 → 2016-04-05 · 4 obs

○ 2016-01-14 15:13:30
● 2016-04-05 23:34:24
○ 2016-09-16 13:38:00
○ 2026-04-13 15:13:48

○NSf1g1ns1.dnspod.net2016-09-16 → 2017-04-06 · 5 obs

○ 2016-04-05 23:34:24
● 2016-09-16 13:38:00
● 2017-04-06 10:47:16
○ 2020-03-03 18:13:08
○ 2026-04-13 15:13:48

○NSf1g1ns2.dnspod.net2016-09-16 → 2017-04-06 · 5 obs

○ 2016-04-05 23:34:24
● 2016-09-16 13:38:00
● 2017-04-06 10:47:16
○ 2020-03-03 18:13:08
○ 2026-04-13 15:13:48

○NSjm1.dns.com2020-03-03 → 2020-03-03 · 4 obs

○ 2017-04-06 10:47:16
● 2020-03-03 18:13:08
○ 2026-04-10 20:08:52
○ 2026-04-13 15:13:48

○NSjm2.dns.com2020-03-03 → 2020-03-03 · 4 obs

○ 2017-04-06 10:47:16
● 2020-03-03 18:13:08
○ 2026-04-10 20:08:52
○ 2026-04-13 15:13:48

○MXmx.mail.ym.163.com2015-06-10 → 2016-01-14 · 4 obs

● 2015-06-10 07:11:10
● 2016-01-14 15:13:30
○ 2016-04-05 23:34:24
○ 2026-04-13 15:13:48

●A104.21.57.2232026-04-10 → 2026-04-13 · 3 obs

○ 2020-03-03 18:13:08
● 2026-04-10 20:08:52
● 2026-04-13 15:13:48

●A172.67.193.192026-04-10 → 2026-04-13 · 3 obs

○ 2020-03-03 18:13:08
● 2026-04-10 20:08:52
● 2026-04-13 15:13:48

●A2606:4700:3030::ac43:c1132026-04-10 → 2026-04-13 · 3 obs

○ 2020-03-03 18:13:08
● 2026-04-10 20:08:52
● 2026-04-13 15:13:48

●A2606:4700:3031::6815:39df2026-04-10 → 2026-04-13 · 3 obs

○ 2020-03-03 18:13:08
● 2026-04-10 20:08:52
● 2026-04-13 15:13:48

○A42.120.158.782016-04-05 → 2016-04-05 · 3 obs

● 2016-04-05 23:34:24
○ 2016-09-16 13:38:00
○ 2026-04-13 15:13:48

○A43.251.116.162020-03-03 → 2020-03-03 · 4 obs

○ 2016-09-16 13:38:00
● 2020-03-03 18:13:08
○ 2026-04-10 20:08:52
○ 2026-04-13 15:13:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
51assess.com	aida.ns.cloudflare.com, clint.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.90

NS records: aida.ns.cloudflare.com, clint.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 101ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.57.223, 172.67.193.19`
AAAA	2	`2606:4700:3031::6815:39df, 2606:4700:3030::ac43:c113`
NS	2	`aida.ns.cloudflare.com, clint.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`aida.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

51assess.com maps to four IP numbers: 2606:4700:3030::ac43:c113, 2606:4700:3031::6815:39df, 104.21.57.223 and 172.67.193.19.

Other host names such as flemingconferences.com, cyfnxl.com, gotedostaging.uk, fusi-onmetrics365.buzz and annmcadams.com share IPs with 51assess.com.

Name Servers

Two name servers aida.ns.cloudflare.com and clint.ns.cloudflare.com handle the delegation for 51assess.com.

51assess.com shares the same name server setup as other domains, for example lt3.com.ar, zhonghongshiye.com, zi-ch.com, slazengercn.com and perfectionchain.com.

51assess.com at least partially shares name servers with other domains, for example castlemainefarmersmarket.org, 156363a.com, pysa-ona.store, mixsrvr.co.uk and onion-mo.com.

These name servers are often used together with beau.ns.cloudflare.com and wally.ns.cloudflare.com.

Host names with six IP numbers:

aida.ns.cloudflare.com points to 2606:4700:50::adf5:3a3a, 2803:f800:50::6ca2:c03a, 2a06:98c1:50::ac40:203a, 108.162.192.58, 172.64.32.58 and 173.245.58.58.

clint.ns.cloudflare.com points to 2606:4700:58::adf5:3b5a, 2803:f800:50::6ca2:c15a, 2a06:98c1:50::ac40:215a, 108.162.193.90, 172.64.33.90 and 173.245.59.90.

51assess.com - robtex.com

51assess.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`51assess.com`

`com`