`blackett.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:5bf0^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::ac43:b627^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.91.240^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.182.39^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`cheryl.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a53^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cheryl.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c053^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cheryl.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2053^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cheryl.ns.cloudflare.com`
		A	108.162.192.83^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cheryl.ns.cloudflare.com`
		A	172.64.32.83^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cheryl.ns.cloudflare.com`
		A	173.245.58.83^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cheryl.ns.cloudflare.com`
NS	`dilbert.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b9b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dilbert.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c19b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dilbert.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:219b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dilbert.ns.cloudflare.com`
		A	108.162.193.155^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dilbert.ns.cloudflare.com`
		A	172.64.33.155^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dilbert.ns.cloudflare.com`
		A	173.245.59.155^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dilbert.ns.cloudflare.com`
MX	`_dc-mx.c9403c9c44da.blackett.com` ⭐
		A	143.95.80.141^{🇺🇸 EIGI143.95.64.0/19 NF DALLAS Route Object}
			PTR	`ip-143-95-80-141.iplocal`
TXT	`v=spf1 +a +mx +ip4:143.95.156.50 +ip4:174.136.12.61 ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.91.240, 172.67.182.39
		IPv6	2606:4700:3030::6815:5bf0, 2606:4700:3031::ac43:b627
SOA	`cheryl.ns.cloudflare.com`dns@cloudflare.com serial=2398875321

`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

Previously MX for

blackett.com

Subdomains

c9403c9c44da.blackett.com

Same first word

blackett.co

blackett.co.uk

blackett.org

blackett.de

blackett.co.nz

blackett.net

blackett.com.au

blackett.com

DNS History

24 records (7 active, 17 former)

●NScheryl.ns.cloudflare.com2026-02-16 → 2026-03-18 · 3 obs

○ 2016-12-19 09:24:26
● 2026-02-16 03:31:08
● 2026-03-18 00:25:58

●NSdilbert.ns.cloudflare.com2026-02-16 → 2026-03-18 · 3 obs

○ 2016-12-19 09:24:26
● 2026-02-16 03:31:08
● 2026-03-18 00:25:58

○NSdns.site5.com2016-02-22 → 2016-03-31 · 5 obs

○ 2016-02-14 05:19:50
● 2016-02-22 03:00:36
● 2016-03-31 06:00:10
○ 2016-04-08 00:33:36
○ 2026-03-18 00:25:58

○NSdns.stabletransit.com2015-08-25 → 2016-02-14 · 4 obs

● 2015-08-25 01:13:26
● 2016-02-14 05:19:50
○ 2016-02-22 03:00:36
○ 2026-03-18 00:25:58

○NSdns1.stabletransit.com2015-08-25 → 2016-02-14 · 4 obs

● 2015-08-25 01:13:26
● 2016-02-14 05:19:50
○ 2016-02-22 03:00:36
○ 2026-03-18 00:25:58

○NSdns2.site5.com2016-02-22 → 2016-03-31 · 5 obs

○ 2016-02-14 05:19:50
● 2016-02-22 03:00:36
● 2016-03-31 06:00:10
○ 2016-04-08 00:33:36
○ 2026-03-18 00:25:58

○NSdns2.stabletransit.com2015-08-25 → 2016-02-14 · 4 obs

● 2015-08-25 01:13:26
● 2016-02-14 05:19:50
○ 2016-02-22 03:00:36
○ 2026-03-18 00:25:58

○NSns1.accountservergroup.com2016-04-08 → 2016-12-19 · 5 obs

○ 2016-03-31 06:00:10
● 2016-04-08 00:33:36
● 2016-12-19 09:24:26
○ 2026-02-16 03:31:08
○ 2026-03-18 00:25:58

○NSns2.accountservergroup.com2016-04-08 → 2016-12-19 · 5 obs

○ 2016-03-31 06:00:10
● 2016-04-08 00:33:36
● 2016-12-19 09:24:26
○ 2026-02-16 03:31:08
○ 2026-03-18 00:25:58

●MX_dc-mx.c9403c9c44da.blackett.com2026-02-16 → 2026-03-18 · 3 obs

○ 2016-12-19 09:24:26
● 2026-02-16 03:31:08
● 2026-03-18 00:25:58

○MXblackett.com2016-02-22 → 2016-12-19 · 5 obs

○ 2016-02-14 05:19:50
● 2016-02-22 03:00:36
● 2016-12-19 09:24:26
○ 2026-02-16 03:31:08
○ 2026-03-18 00:25:58

○MXmx1.emailsrvr.com2015-08-25 → 2016-02-14 · 4 obs

● 2015-08-25 01:13:26
● 2016-02-14 05:19:50
○ 2016-02-22 03:00:36
○ 2026-03-18 00:25:58

○MXmx2.emailsrvr.com2015-08-25 → 2016-02-14 · 4 obs

● 2015-08-25 01:13:26
● 2016-02-14 05:19:50
○ 2016-02-22 03:00:36
○ 2026-03-18 00:25:58

●A104.21.91.2402026-02-16 → 2026-03-18 · 15 obs

○ 2016-12-19 09:24:26
● 2026-02-16 03:31:08
○ 2026-02-16 05:43:02
● 2026-02-16 08:49:38
● 2026-02-22 12:32:14
○ 2026-03-05 06:59:14
● 2026-03-06 22:12:26
● 2026-03-07 01:50:28
○ 2026-03-08 06:12:40
○ 2026-03-12 04:43:22
● 2026-03-13 22:33:54
○ 2026-03-14 12:42:00
○ 2026-03-16 01:46:44
● 2026-03-18 00:25:56
● 2026-03-18 00:25:58

○A143.95.80.1412016-04-08 → 2016-12-19 · 5 obs

○ 2016-03-31 06:00:10
● 2016-04-08 00:33:36
● 2016-12-19 09:24:26
○ 2026-02-16 03:31:08
○ 2026-03-18 00:25:58

●A172.67.182.392026-02-16 → 2026-03-18 · 15 obs

○A184.106.55.132015-08-25 → 2016-02-14 · 4 obs

● 2015-08-25 01:13:26
● 2016-02-14 05:19:50
○ 2016-02-22 03:00:36
○ 2026-03-18 00:25:58

○A188.114.96.02026-02-16 → 2026-03-16 · 14 obs

○ 2026-02-16 03:31:08
● 2026-02-16 05:43:02
○ 2026-02-16 08:49:38
○ 2026-02-22 12:32:14
● 2026-03-05 06:59:14
○ 2026-03-06 22:12:26
○ 2026-03-07 01:50:28
● 2026-03-08 06:12:40
● 2026-03-12 04:43:22
○ 2026-03-13 22:33:54
● 2026-03-14 12:42:00
● 2026-03-16 01:46:44
○ 2026-03-18 00:25:56
○ 2026-03-18 00:25:58

○A188.114.97.02026-02-16 → 2026-03-16 · 14 obs

●A2606:4700:3030::6815:5bf02026-02-16 → 2026-03-18 · 15 obs

●A2606:4700:3031::ac43:b6272026-02-16 → 2026-03-18 · 15 obs

○A2a06:98c1:3120::2026-02-16 → 2026-03-16 · 14 obs

○A2a06:98c1:3121::2026-02-16 → 2026-03-16 · 14 obs

○A50.22.11.322016-02-22 → 2016-03-31 · 5 obs

○ 2016-02-14 05:19:50
● 2016-02-22 03:00:36
● 2016-03-31 06:00:10
○ 2016-04-08 00:33:36
○ 2026-03-18 00:25:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, a.gtld-servers.net...	-
blackett.com	cheryl.ns.cloudflare.com, dilbert.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.193.155

NS records: cheryl.ns.cloudflare.com, dilbert.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 457ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.91.240, 172.67.182.39`
AAAA	2	`2606:4700:3030::6815:5bf0, 2606:4700:3031::ac43:b627`
NS	2	`cheryl.ns.cloudflare.com, dilbert.ns.cloudflare.com`
MX	1	`_dc-mx.c9403c9c44da.blackett.com (pri: 1`
TXT	1	`v=spf1 +a +mx +ip4:143.95.156.50 +ip4:17`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`cheryl.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

The parent of c9403c9c44da.blackett.com is blackett.com.

IP Addresses

blackett.com points to four IP numbers: 2606:4700:3030::6815:5bf0, 2606:4700:3031::ac43:b627, 104.21.91.240 and 172.67.182.39.

Other host names, for instance xinmai898.com, ttlimo.com, thomasequities.com, saigonese.org and welina-jewelry.com share IP numbers with blackett.com.

Name Servers

blackett.com is delegated to two name servers: cheryl.ns.cloudflare.com and dilbert.ns.cloudflare.com.

blackett.com uses the same name server setup as other domains, for instance physio-clinics.ch, accelerocity.com, organichits.co, bookcoup.com and crunkedin.com.

blackett.com shares name servers with other domains at least partially, for instance saigondoor.vn, hfn-excite.com, ixnoc.com, bebekmalzeme.com and ristocafe.pl.

these name servers are often used together with the name servers logan.ns.cloudflare.com.

Host names with six IP numbers: cheryl.ns.cloudflare.com points to 2606:4700:50::adf5:3a53, 2803:f800:50::6ca2:c053, 2a06:98c1:50::ac40:2053, 108.162.192.83, 172.64.32.83 and 173.245.58.83; dilbert.ns.cloudflare.com points to 2606:4700:58::adf5:3b9b, 2803:f800:50::6ca2:c19b, 2a06:98c1:50::ac40:219b, 108.162.193.155, 172.64.33.155 and 173.245.59.155.

Mail Servers

The mail server for blackett.com is _dc-mx.c9403c9c44da.blackett.com.

Host name _dc-mx.c9403c9c44da.blackett.com resolves to IP 143.95.80.141.

blackett.com - robtex.com

blackett.com

com

Previously MX for

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`blackett.com`

`com`