readbuf.com - dns.ninja

`readbuf.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:5b2c^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:d232^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.91.44^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.210.50^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`alla.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a3e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alla.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c03e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`alla.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:203e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`alla.ns.cloudflare.com`
		A	108.162.192.62^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alla.ns.cloudflare.com`
		A	172.64.32.62^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alla.ns.cloudflare.com`
		A	173.245.58.62^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alla.ns.cloudflare.com`
NS	`glen.ns.cloudflare.com`
		A	2606:4700:58::adf5:3ba9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`glen.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1a9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`glen.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21a9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`glen.ns.cloudflare.com`
		A	108.162.193.169^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`glen.ns.cloudflare.com`
		A	172.64.33.169^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`glen.ns.cloudflare.com`
		A	173.245.59.169^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`glen.ns.cloudflare.com`
MX	`route2.mx.cloudflare.net` ⭐
		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`⁽⁸⁾
		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`
MX	`route1.mx.cloudflare.net`⁽²⁵⁾
		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`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.91.44, 172.67.210.50
		IPv6 hints	2606:4700:3033::6815:5b2c, 2606:4700:3034::ac43:d232
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=18, name=cloudflare-ech.com
SOA	`alla.ns.cloudflare.com`dns@cloudflare.com serial=2410136737

`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=1786742664

Same first word

readbuf.com

Similar names

freubad.com

breadfu.com

freubad.ch

rubafed.org

budafer.hu

fubared.org

fubared.net

beardfu.com

dfbauer.com

DNS History

18 records (9 active, 9 former)

●NSalla.ns.cloudflare.com2026-03-01 → 2026-08-14 · 3 obs

○ 2019-12-15 12:23:16
● 2026-03-01 05:30:54
● 2026-08-14 21:25:30

○NScuritiba.porkbun.com2019-12-15 → 2019-12-15 · 3 obs

● 2019-12-15 12:23:16
○ 2026-03-01 05:30:54
○ 2026-08-14 21:25:30

○NSfortaleza.porkbun.com2019-12-15 → 2019-12-15 · 3 obs

● 2019-12-15 12:23:16
○ 2026-03-01 05:30:54
○ 2026-08-14 21:25:30

●NSglen.ns.cloudflare.com2026-03-01 → 2026-08-14 · 3 obs

○ 2019-12-15 12:23:16
● 2026-03-01 05:30:54
● 2026-08-14 21:25:30

○NSmaceio.porkbun.com2019-12-15 → 2019-12-15 · 3 obs

● 2019-12-15 12:23:16
○ 2026-03-01 05:30:54
○ 2026-08-14 21:25:30

○NSsalvador.porkbun.com2019-12-15 → 2019-12-15 · 3 obs

● 2019-12-15 12:23:16
○ 2026-03-01 05:30:54
○ 2026-08-14 21:25:30

○MXfwd1.porkbun.com2019-12-15 → 2019-12-15 · 3 obs

● 2019-12-15 12:23:16
○ 2026-03-01 05:30:54
○ 2026-08-14 21:25:30

○MXfwd2.porkbun.com2019-12-15 → 2019-12-15 · 3 obs

● 2019-12-15 12:23:16
○ 2026-03-01 05:30:54
○ 2026-08-14 21:25:30

●MXroute1.mx.cloudflare.net2026-03-01 → 2026-08-14 · 3 obs

○ 2019-12-15 12:23:16
● 2026-03-01 05:30:54
● 2026-08-14 21:25:30

●MXroute2.mx.cloudflare.net2026-03-01 → 2026-08-14 · 3 obs

○ 2019-12-15 12:23:16
● 2026-03-01 05:30:54
● 2026-08-14 21:25:30

●MXroute3.mx.cloudflare.net2026-03-01 → 2026-08-14 · 3 obs

○ 2019-12-15 12:23:16
● 2026-03-01 05:30:54
● 2026-08-14 21:25:30

●A104.21.91.442026-03-01 → 2026-08-14 · 3 obs

○ 2019-12-15 12:23:16
● 2026-03-01 05:30:54
● 2026-08-14 21:25:30

●A172.67.210.502026-03-01 → 2026-08-14 · 3 obs

○ 2019-12-15 12:23:16
● 2026-03-01 05:30:54
● 2026-08-14 21:25:30

○A2606:4700:3031::6815:5b2c2026-03-01 → 2026-03-01 · 4 obs

○ 2019-12-15 12:23:16
● 2026-03-01 05:30:54
○ 2026-07-12 20:48:42
○ 2026-08-14 21:25:30

●A2606:4700:3033::6815:5b2c2026-07-12 → 2026-08-14 · 3 obs

○ 2026-03-01 05:30:54
● 2026-07-12 20:48:42
● 2026-08-14 21:25:30

●A2606:4700:3034::ac43:d2322026-07-12 → 2026-08-14 · 3 obs

○ 2026-03-01 05:30:54
● 2026-07-12 20:48:42
● 2026-08-14 21:25:30

○A2606:4700:3035::ac43:d2322026-03-01 → 2026-03-01 · 4 obs

○ 2019-12-15 12:23:16
● 2026-03-01 05:30:54
○ 2026-07-12 20:48:42
○ 2026-08-14 21:25:30

○A35.160.246.242019-12-15 → 2019-12-15 · 3 obs

● 2019-12-15 12:23:16
○ 2026-03-01 05:30:54
○ 2026-08-14 21:25:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
readbuf.com	alla.ns.cloudflare.com, glen.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.169

NS records: alla.ns.cloudflare.com, glen.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for readbuf.com (unsigned zone)

⏱️ Timing

Total: 182ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.210.50, 104.21.91.44`
AAAA	2	`2606:4700:3034::ac43:d232, 2606:4700:3033::6815:5b2c`
NS	2	`alla.ns.cloudflare.com, glen.ns.cloudflare.com`
MX	3	`route1.mx.cloudflare.net (pri: 25), route2.mx.cloudflare.net (pri: 5)...`
TXT	1	`v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`alla.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

readbuf.com has four IP addresses: 104.21.91.44, 172.67.210.50, 2606:4700:3033::6815:5b2c and 2606:4700:3034::ac43:d232.

Among the host names that share IP numbers with readbuf.com are algotester.com, canadia.co.nz, 91sese.cn and two others.

Name Servers

readbuf.com has two authoritative name servers — alla.ns.cloudflare.com and glen.ns.cloudflare.com.

readbuf.com has the same name server delegation as a number of other domains, such as kolibrie.nl, aviaplay.bond, cosmocasinos.co.uk and two more.

readbuf.com partially shares its NS delegation with several other domains, including bd-icecasino.com, senegas.com, eliteal.com.tw and two others.

These name servers are regularly seen alongside cheryl.ns.cloudflare.com and noah.ns.cloudflare.com as name servers.

Host names resolving to 6 IP numbers:

alla.ns.cloudflare.com points to 108.162.192.62, 172.64.32.62, 173.245.58.62 and 3 other IP addresses.

glen.ns.cloudflare.com points to 108.162.193.169, 172.64.33.169, 173.245.59.169 and 3 other IP addresses.

Mail Servers

readbuf.com uses three mail servers — route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

readbuf.com shares at least some of its mail servers with other domains — for example aibit.im, codeket.com, ahili.com and two more.

Host names resolving to 6 IP numbers:

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

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

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