`communicationsweek.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:cf6b^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::6815:4568^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.69.104^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.207.107^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ns1.ubmdns.com` ⭐
		A	2400:cb00:2049:1::a29f:d0^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
			PTR	`ns1.ubmdns.com`
		A	162.159.0.208^{Cloudflare162.159.0.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.ubmdns.com`
		A	2400:cb00:2049:1::a29f:1d0^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
			PTR	`ns2.ubmdns.com`
		A	162.159.1.208^{Cloudflare162.159.1.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.ubmdns.com`
TXT	`v=spf1 mx include:spf.ubm-us.net -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.69.104, 172.67.207.107
		IPv6 hints	2606:4700:3030::ac43:cf6b, 2606:4700:3032::6815:4568
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=114, name=cloudflare-ech.com
SOA	`ns1.ubmdns.com`dns@cloudflare.com serial=2409117791

`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=1784951642

Same first word

communicationsweek.com

DNS History

18 records (6 active, 12 former)

○NSns1.ubm-us.net2015-08-17 → 2017-03-31 · 4 obs

● 2015-08-17 11:30:08
● 2017-03-31 18:28:46
○ 2020-03-22 23:31:58
○ 2026-07-25 04:16:16

●NSns1.ubmdns.com2020-03-22 → 2026-07-25 · 3 obs

○ 2017-03-31 18:28:46
● 2020-03-22 23:31:58
● 2026-07-25 04:16:16

○NSns2.ubm-us.net2015-08-17 → 2017-03-31 · 4 obs

● 2015-08-17 11:30:08
● 2017-03-31 18:28:46
○ 2020-03-22 23:31:58
○ 2026-07-25 04:16:16

●NSns2.ubmdns.com2020-03-22 → 2026-07-25 · 3 obs

○ 2017-03-31 18:28:46
● 2020-03-22 23:31:58
● 2026-07-25 04:16:16

○NSns3.ubm-us.net2015-08-17 → 2017-03-31 · 4 obs

● 2015-08-17 11:30:08
● 2017-03-31 18:28:46
○ 2020-03-22 23:31:58
○ 2026-07-25 04:16:16

○MXmailhost.ubm-us.net2015-08-17 → 2020-03-22 · 4 obs

● 2015-08-17 11:30:08
● 2020-03-22 23:31:58
○ 2026-07-13 11:11:52
○ 2026-07-25 04:16:16

●A104.21.69.1042026-07-13 → 2026-07-25 · 3 obs

○ 2020-03-22 23:31:58
● 2026-07-13 11:11:52
● 2026-07-25 04:16:16

○A104.24.122.762020-03-22 → 2020-03-22 · 4 obs

○ 2017-03-31 18:28:46
● 2020-03-22 23:31:58
○ 2026-07-13 11:11:52
○ 2026-07-25 04:16:16

○A104.24.123.762020-03-22 → 2020-03-22 · 4 obs

○ 2017-03-31 18:28:46
● 2020-03-22 23:31:58
○ 2026-07-13 11:11:52
○ 2026-07-25 04:16:16

●A172.67.207.1072026-07-13 → 2026-07-25 · 3 obs

○ 2020-03-22 23:31:58
● 2026-07-13 11:11:52
● 2026-07-25 04:16:16

○A192.155.42.932017-03-31 → 2017-03-31 · 4 obs

○ 2016-09-11 04:21:32
● 2017-03-31 18:28:46
○ 2020-03-22 23:31:58
○ 2026-07-25 04:16:16

○A192.155.48.932015-08-17 → 2016-09-11 · 4 obs

● 2015-08-17 11:30:08
● 2016-09-11 04:21:32
○ 2017-03-31 18:28:46
○ 2026-07-25 04:16:16

●A2606:4700:3030::ac43:cf6b2026-07-13 → 2026-07-25 · 3 obs

○ 2020-03-22 23:31:58
● 2026-07-13 11:11:52
● 2026-07-25 04:16:16

○A2606:4700:3031::6818:7b4c2020-03-22 → 2020-03-22 · 4 obs

○ 2017-03-31 18:28:46
● 2020-03-22 23:31:58
○ 2026-07-13 11:11:52
○ 2026-07-25 04:16:16

●A2606:4700:3032::6815:45682026-07-13 → 2026-07-25 · 3 obs

○ 2020-03-22 23:31:58
● 2026-07-13 11:11:52
● 2026-07-25 04:16:16

○A2606:4700:3037::6818:7a4c2020-03-22 → 2020-03-22 · 4 obs

○ 2017-03-31 18:28:46
● 2020-03-22 23:31:58
○ 2026-07-13 11:11:52
○ 2026-07-25 04:16:16

○A2620:103::192:155:48:932015-08-17 → 2016-09-11 · 4 obs

● 2015-08-17 11:30:08
● 2016-09-11 04:21:32
○ 2017-03-31 18:28:46
○ 2026-07-25 04:16:16

○A2620:103:1:1:192:155:42:932017-03-31 → 2017-03-31 · 4 obs

○ 2016-09-11 04:21:32
● 2017-03-31 18:28:46
○ 2020-03-22 23:31:58
○ 2026-07-25 04:16:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, c.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net...	-
communicationsweek.com	ns1.ubmdns.com, ns2.ubmdns.com	2 records

✅ Authoritative Response

Server:162.159.0.208

NS records: ns1.ubmdns.com, ns2.ubmdns.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 186ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.207.107, 104.21.69.104`
AAAA	2	`2606:4700:3032::6815:4568, 2606:4700:3030::ac43:cf6b`
NS	2	`ns1.ubmdns.com, ns2.ubmdns.com`
TXT	1	`v=spf1 mx include:spf.ubm-us.net -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ns1.ubmdns.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.ubmdns.com, ns2.ubmdns.com)

Analysis

IP Addresses

communicationsweek.com has four IP addresses: 104.21.69.104, 172.67.207.107, 2606:4700:3030::ac43:cf6b and 2606:4700:3032::6815:4568.

Among the host names that share IP numbers with communicationsweek.com are play2.rmb789.co, unitedgameservers.nl, eticket.blog and two others.

Name Servers

DNS delegation for communicationsweek.com points to two name servers: ns1.ubmdns.com and ns2.ubmdns.com.

communicationsweek.com has the same name server delegation as a number of other domains, such as mechanicalelectricalengineering.co.uk, energybizindia.com, dm-south.com and two more.

ns1.ubmdns.com directs to 162.159.0.208 and 2400:cb00:2049:1::a29f:d0. ns2.ubmdns.com directs to 162.159.1.208 and 2400:cb00:2049:1::a29f:1d0. Each host name carries two IP addresses.

communicationsweek.com - robtex.com