`28ub.com`

DNSSEC	⚠️ Not signed
A	2606:4700:130:436c:6f75:6466:6c61:7265^{🇺🇸 Cloudflare2606:4700:130::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.88.250^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ⚠ Not in HTTPS hints
A	172.67.155.47^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ⚠ Not in HTTPS hints
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`
NS	`serenity.ns.cloudflare.com`
		A	2606:4700:50::a29f:266c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`serenity.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c26c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`serenity.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:226c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`serenity.ns.cloudflare.com`
		A	108.162.194.108^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`serenity.ns.cloudflare.com`
		A	162.159.38.108^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`serenity.ns.cloudflare.com`
		A	172.64.34.108^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`serenity.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ⚠ 2 unhinted📌 1 extra
		IPv4	172.64.80.1
		IPv6	2606:4700:130:436c:6f75:6466:6c61:7265
SOA	`cris.ns.cloudflare.com`dns@cloudflare.com serial=2395401109

`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=1771291435

Same first word

28ub.com

Similar names

bu82.com

82bu.com

2ub8.cn

DNS History

18 records (5 active, 13 former)

○NSa.dnspod.com2017-07-09 → 2017-08-04 · 5 obs

○ 2017-04-24 15:21:28
● 2017-07-09 11:30:58
● 2017-08-04 01:05:56
○ 2026-02-19 06:38:28
○ 2026-03-12 21:49:08

○NSb.dnspod.com2017-07-09 → 2017-08-04 · 5 obs

○ 2017-04-24 15:21:28
● 2017-07-09 11:30:58
● 2017-08-04 01:05:56
○ 2026-02-19 06:38:28
○ 2026-03-12 21:49:08

○NSc.dnspod.com2017-07-09 → 2017-08-04 · 5 obs

○ 2017-04-24 15:21:28
● 2017-07-09 11:30:58
● 2017-08-04 01:05:56
○ 2026-02-19 06:38:28
○ 2026-03-12 21:49:08

●NScris.ns.cloudflare.com2026-02-19 → 2026-03-12 · 3 obs

○ 2017-08-04 01:05:56
● 2026-02-19 06:38:28
● 2026-03-12 21:49:08

○NSdns1.name-services.com2016-12-22 → 2016-12-26 · 4 obs

● 2016-12-22 05:49:42
● 2016-12-26 13:49:28
○ 2017-04-24 15:21:28
○ 2026-03-12 21:49:08

○NSdns2.name-services.com2016-12-22 → 2016-12-26 · 4 obs

● 2016-12-22 05:49:42
● 2016-12-26 13:49:28
○ 2017-04-24 15:21:28
○ 2026-03-12 21:49:08

○NSdns3.name-services.com2016-12-22 → 2016-12-26 · 4 obs

● 2016-12-22 05:49:42
● 2016-12-26 13:49:28
○ 2017-04-24 15:21:28
○ 2026-03-12 21:49:08

○NSdns4.name-services.com2016-12-22 → 2016-12-26 · 4 obs

● 2016-12-22 05:49:42
● 2016-12-26 13:49:28
○ 2017-04-24 15:21:28
○ 2026-03-12 21:49:08

○NSdns5.name-services.com2016-12-22 → 2016-12-26 · 4 obs

● 2016-12-22 05:49:42
● 2016-12-26 13:49:28
○ 2017-04-24 15:21:28
○ 2026-03-12 21:49:08

●NSserenity.ns.cloudflare.com2026-02-19 → 2026-03-12 · 3 obs

○ 2017-08-04 01:05:56
● 2026-02-19 06:38:28
● 2026-03-12 21:49:08

●A104.21.88.2502026-02-19 → 2026-03-12 · 3 obs

○ 2017-09-11 08:57:42
● 2026-02-19 06:38:28
● 2026-03-12 21:49:08

●A172.67.155.472026-02-19 → 2026-03-12 · 3 obs

○ 2017-09-11 08:57:42
● 2026-02-19 06:38:28
● 2026-03-12 21:49:08

●A2606:4700:130:436c:6f75:6466:6c61:72652026-03-12 → 2026-03-12 · 2 obs

○ 2026-03-06 15:45:56
● 2026-03-12 21:49:08

○A2606:4700:3030::ac43:9b2f2026-02-19 → 2026-03-06 · 4 obs

○ 2017-09-11 08:57:42
● 2026-02-19 06:38:28
● 2026-03-06 15:45:56
○ 2026-03-12 21:49:08

○A2606:4700:3032::6815:58fa2026-02-19 → 2026-03-06 · 4 obs

○ 2017-09-11 08:57:42
● 2026-02-19 06:38:28
● 2026-03-06 15:45:56
○ 2026-03-12 21:49:08

○A45.41.85.902017-06-28 → 2017-09-11 · 5 obs

○ 2017-04-24 15:21:28
● 2017-06-28 23:15:26
● 2017-09-11 08:57:42
○ 2026-02-19 06:38:28
○ 2026-03-12 21:49:08

○A50.56.177.1262016-01-26 → 2016-04-21 · 4 obs

● 2016-01-26 08:39:16
● 2016-04-21 12:28:36
○ 2016-12-22 05:49:42
○ 2026-03-12 21:49:08

○A98.124.243.422016-12-22 → 2016-12-26 · 5 obs

○ 2016-04-21 12:28:36
● 2016-12-22 05:49:42
● 2016-12-26 13:49:28
○ 2017-04-24 15:21:28
○ 2026-03-12 21:49:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
28ub.com	serenity.ns.cloudflare.com, cris.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 162.159.38.108

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 28ub.com (unsigned zone)

⏱️ Timing

Total: 181ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.88.250, 172.67.155.47`
AAAA	1	`2606:4700:130:436c:6f75:6466:6c61:7265`
NS	2	`cris.ns.cloudflare.com, serenity.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`cris.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

Three IP numbers are pointed to by 28ub.com: 2606:4700:130:436c:6f75:6466:6c61:7265, 104.21.88.250 and 172.67.155.47.

Other host names, for instance www.schooldays.ie, baoxinhao.com, lifesaver24x7.com, qol-oner.kz and ns1.live(0x736578)lab.com share IP numbers with 28ub.com.

Name Servers

Delegation for 28ub.com rests with two name servers, cris.ns.cloudflare.com and serenity.ns.cloudflare.com.

28ub.com shares the same name server setup as other domains, including thriveimpact.org, kitchenprofi.kz, 28as.com, sallymann.org and thriveimpact.co.

28ub.com at least partially shares name servers with other domains, for instance medikaherbal.com, daigua.org, pyddjc.com, bairdrealtygrp.com and hawp.org.

these name servers are commonly used with jamie.ns.cloudflare.com, sloan.ns.cloudflare.com and laura.ns.cloudflare.com.

Host names with six IP numbers: cris.ns.cloudflare.com points to: 2606:4700:58::a29f:2cca, 2803:f800:50::6ca2:c3ca, 2a06:98c1:50::ac40:23ca, 108.162.195.202, 162.159.44.202 and 172.64.35.202. serenity.ns.cloudflare.com points to: 2606:4700:50::a29f:266c, 2803:f800:50::6ca2:c26c, 2a06:98c1:50::ac40:226c, 108.162.194.108, 162.159.38.108 and 172.64.34.108.

28ub.com - robtex.com

28ub.com

com

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

`28ub.com`

`com`