`51posts.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:59a2^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:bdf4^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.89.162^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.189.244^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`adelaide.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2601^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adelaide.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c201^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`adelaide.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2201^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`adelaide.ns.cloudflare.com`
		A	108.162.194.1^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adelaide.ns.cloudflare.com`
		A	162.159.38.1^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adelaide.ns.cloudflare.com`
		A	172.64.34.1^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adelaide.ns.cloudflare.com`
NS	`cris.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cca^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cris.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3ca^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cris.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23ca^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cris.ns.cloudflare.com`
		A	108.162.195.202^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cris.ns.cloudflare.com`
		A	162.159.44.202^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cris.ns.cloudflare.com`
		A	172.64.35.202^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cris.ns.cloudflare.com`
MX	`route1.mx.cloudflare.net` ⭐
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽⁴⁶⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route3.mx.cloudflare.net`⁽⁷⁷⁾
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.89.162, 172.67.189.244
		IPv6 hints	2606:4700:3032::6815:59a2, 2606:4700:3033::ac43:bdf4
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=41, name=cloudflare-ech.com
SOA	`adelaide.ns.cloudflare.com`dns@cloudflare.com serial=2410712951

`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=1786161579

⚠️ On DNS blocklist: nsfw

Same first word

51posts.com

DNS History

21 records (9 active, 12 former)

●NSadelaide.ns.cloudflare.com2026-08-02 → 2026-08-08 · 3 obs

○ 2017-01-30 18:36:58
● 2026-08-02 23:43:00
● 2026-08-08 04:19:56

●NScris.ns.cloudflare.com2026-08-02 → 2026-08-08 · 3 obs

○ 2017-01-30 18:36:58
● 2026-08-02 23:43:00
● 2026-08-08 04:19:56

○NSdeb.ns.cloudflare.com2017-01-30 → 2017-01-30 · 3 obs

● 2017-01-30 18:36:58
○ 2026-08-02 23:43:00
○ 2026-08-08 04:19:56

○NSluke.ns.cloudflare.com2017-01-30 → 2017-01-30 · 3 obs

● 2017-01-30 18:36:58
○ 2026-08-02 23:43:00
○ 2026-08-08 04:19:56

○MXmailstore1.secureserver.net2017-01-30 → 2017-01-30 · 3 obs

● 2017-01-30 18:36:58
○ 2026-08-02 23:43:00
○ 2026-08-08 04:19:56

●MXroute1.mx.cloudflare.net2026-08-02 → 2026-08-08 · 3 obs

○ 2017-01-30 18:36:58
● 2026-08-02 23:43:00
● 2026-08-08 04:19:56

●MXroute2.mx.cloudflare.net2026-08-02 → 2026-08-08 · 3 obs

○ 2017-01-30 18:36:58
● 2026-08-02 23:43:00
● 2026-08-08 04:19:56

●MXroute3.mx.cloudflare.net2026-08-02 → 2026-08-08 · 3 obs

○ 2017-01-30 18:36:58
● 2026-08-02 23:43:00
● 2026-08-08 04:19:56

○MXsmtp.secureserver.net2017-01-30 → 2017-01-30 · 3 obs

● 2017-01-30 18:36:58
○ 2026-08-02 23:43:00
○ 2026-08-08 04:19:56

●A104.21.89.1622026-08-04 → 2026-08-08 · 3 obs

○ 2026-08-02 23:43:00
● 2026-08-04 19:20:40
● 2026-08-08 04:19:56

○A104.31.66.1572017-01-30 → 2017-01-30 · 3 obs

● 2017-01-30 18:36:58
○ 2026-08-02 23:43:00
○ 2026-08-08 04:19:56

○A104.31.67.1572017-01-30 → 2017-01-30 · 3 obs

● 2017-01-30 18:36:58
○ 2026-08-02 23:43:00
○ 2026-08-08 04:19:56

●A172.67.189.2442026-08-04 → 2026-08-08 · 3 obs

○ 2026-08-02 23:43:00
● 2026-08-04 19:20:40
● 2026-08-08 04:19:56

○A188.114.96.02026-08-02 → 2026-08-02 · 4 obs

○ 2017-01-30 18:36:58
● 2026-08-02 23:43:00
○ 2026-08-04 19:20:40
○ 2026-08-08 04:19:56

○A188.114.97.02026-08-02 → 2026-08-02 · 4 obs

○ 2017-01-30 18:36:58
● 2026-08-02 23:43:00
○ 2026-08-04 19:20:40
○ 2026-08-08 04:19:56

○A2400:cb00:2048:1::681f:429d2017-01-30 → 2017-01-30 · 3 obs

● 2017-01-30 18:36:58
○ 2026-08-02 23:43:00
○ 2026-08-08 04:19:56

○A2400:cb00:2048:1::681f:439d2017-01-30 → 2017-01-30 · 3 obs

● 2017-01-30 18:36:58
○ 2026-08-02 23:43:00
○ 2026-08-08 04:19:56

●A2606:4700:3032::6815:59a22026-08-04 → 2026-08-08 · 3 obs

○ 2026-08-02 23:43:00
● 2026-08-04 19:20:40
● 2026-08-08 04:19:56

●A2606:4700:3033::ac43:bdf42026-08-04 → 2026-08-08 · 3 obs

○ 2026-08-02 23:43:00
● 2026-08-04 19:20:40
● 2026-08-08 04:19:56

○A2a06:98c1:3120::2026-08-02 → 2026-08-02 · 4 obs

○ 2017-01-30 18:36:58
● 2026-08-02 23:43:00
○ 2026-08-04 19:20:40
○ 2026-08-08 04:19:56

○A2a06:98c1:3121::2026-08-02 → 2026-08-02 · 4 obs

○ 2017-01-30 18:36:58
● 2026-08-02 23:43:00
○ 2026-08-04 19:20:40
○ 2026-08-08 04:19:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, f.gtld-servers.net, c.gtld-servers.net, b.gtld-servers.net...	-
51posts.com	adelaide.ns.cloudflare.com, cris.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.1

NS records: adelaide.ns.cloudflare.com, cris.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1171ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.189.244, 104.21.89.162`
AAAA	2	`2606:4700:3033::ac43:bdf4, 2606:4700:3032::6815:59a2`
NS	2	`adelaide.ns.cloudflare.com, cris.ns.cloudflare.com`
MX	3	`route1.mx.cloudflare.net (pri: 36), route2.mx.cloudflare.net (pri: 46)...`
TXT	1	`v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`adelaide.ns.cloudflare.com dns.cloudflar`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

51posts.com resolves to four IP addresses: 104.21.89.162, 172.67.189.244, 2606:4700:3032::6815:59a2 and 2606:4700:3033::ac43:bdf4.

Additional host names — novablockpro.sbs, 98winok50.in, maxevans.net and two others — share IP numbers with 51posts.com.

Name Servers

51posts.com is delegated to two name servers: adelaide.ns.cloudflare.com and cris.ns.cloudflare.com.

51posts.com shares its name server setup with other domains, including ntspeaks.com, prakgupta.com, slimsmirk.com and two others.

51posts.com has at least partial name server overlap with other domains, such as 00066.workers.dev, tonez.co.uk, arelectronic.fr and two others.

These name servers tend to appear together with the name servers jamie.ns.cloudflare.com, evangeline.ns.cloudflare.com and sloan.ns.cloudflare.com.

Host names with 6 IP numbers:

adelaide.ns.cloudflare.com resolves to 108.162.194.1, 162.159.38.1, 172.64.34.1 and 3 other IP addresses.

cris.ns.cloudflare.com resolves to 108.162.195.202, 162.159.44.202, 172.64.35.202 and 3 other IP addresses.

Mail Servers

51posts.com has three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

51posts.com shares mail servers — at least in part — with other domains, including cleanhome.online, quintadogulhe.com, inget.es and two others.

Host names with 6 IP numbers:

route1.mx.cloudflare.net resolves to 162.159.205.11, 162.159.205.12, 162.159.205.13 and 3 other IP addresses.

route2.mx.cloudflare.net resolves to 162.159.205.17, 162.159.205.18, 162.159.205.19 and 3 other IP addresses.

route3.mx.cloudflare.net resolves to 162.159.205.23, 162.159.205.24, 162.159.205.25 and 3 other IP addresses.

51posts.com - robtex.com

51posts.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

Mail Servers

`51posts.com`

`com`