blockdev.com - dns.ninja

`blockdev.com`

DNSSEC	⚠️ Not signed
A	141.193.213.10^{🇺🇸 CLOUDFLARESPECTRUM141.193.213.0/24 WPEngine, Inc. 504 Lavaca Street, 1000, Austin, TX 78701, US}
A	141.193.213.11^{🇺🇸 CLOUDFLARESPECTRUM141.193.213.0/24 WPEngine, Inc. 504 Lavaca Street, 1000, Austin, TX 78701, US}
NS	`dax.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c85^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dax.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c385^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dax.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2385^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dax.ns.cloudflare.com`
		A	108.162.195.133^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dax.ns.cloudflare.com`
		A	162.159.44.133^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dax.ns.cloudflare.com`
		A	172.64.35.133^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dax.ns.cloudflare.com`
NS	`dora.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a6c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dora.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c06c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dora.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:206c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dora.ns.cloudflare.com`
		A	108.162.192.108^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dora.ns.cloudflare.com`
		A	172.64.32.108^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dora.ns.cloudflare.com`
		A	173.245.58.108^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dora.ns.cloudflare.com`
MX	`blockdev-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c942::^{🇨🇦 Microsoft2a01:111:f000::/36}
			PTR	`mail-yt5pr01cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:c942::3^{🇨🇦 Microsoft2a01:111:f000::/36}
			PTR	`mail-yt6pr01cu00103.inbound.protection.outlook.com`
		A	2a01:111:f403:c944::^{🇨🇦 Microsoft2a01:111:f000::/36}
			PTR	`mail-yqzpr01cu00900.inbound.protection.outlook.com`
		A	2a01:111:f403:c944::1^{🇨🇦 Microsoft2a01:111:f000::/36}
			PTR	`mail-yqzpr01cu01001.inbound.protection.outlook.com`
		A	52.101.190.0^{🇨🇦 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-yt5pr01cu00100.inbound.protection.outlook.com`
		A	52.101.190.1^{🇨🇦 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-yt3pr01cu00701.inbound.protection.outlook.com`
		A	52.101.190.2^{🇨🇦 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-yt3pr01cu00602.inbound.protection.outlook.com`
		A	52.101.190.3^{🇨🇦 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-yt6pr01cu00103.inbound.protection.outlook.com`
TXT	`have-i-been-pwned-verification=68aa232315b14b06c850db00e207a016`
TXT	`v=spf1 include:zeptomail.net include:spf.protection.outlook.com include:spf-c...`
SOA	`dax.ns.cloudflare.com`dns@cloudflare.com serial=2406351418

`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=1783839167

Subdomains

www.blockdev.com

Same first word

blockdev.com

blockdev.co

blockdev.sh

blockdev.net

blockdev.io

Similar names

devblock.io

devblock.net

DNS History

13 records (5 active, 8 former)

●NSdax.ns.cloudflare.com2026-07-01 → 2026-07-12 · 3 obs

○ 2017-08-31 13:54:56
● 2026-07-01 00:05:38
● 2026-07-12 07:18:28

●NSdora.ns.cloudflare.com2026-07-01 → 2026-07-12 · 3 obs

○ 2017-08-31 13:54:56
● 2026-07-01 00:05:38
● 2026-07-12 07:18:28

○NSns73.worldnic.com2015-05-29 → 2017-08-31 · 4 obs

● 2015-05-29 03:31:38
● 2017-08-31 13:54:56
○ 2026-07-01 00:05:38
○ 2026-07-12 07:18:28

○NSns74.worldnic.com2015-05-29 → 2017-08-31 · 4 obs

● 2015-05-29 03:31:38
● 2017-08-31 13:54:56
○ 2026-07-01 00:05:38
○ 2026-07-12 07:18:28

●MXblockdev-com.mail.protection.outlook.com2026-07-01 → 2026-07-12 · 3 obs

○ 2017-08-31 13:54:56
● 2026-07-01 00:05:38
● 2026-07-12 07:18:28

○MXeast.smtp.exch081.serverdata.net2016-11-08 → 2017-08-31 · 5 obs

○ 2016-04-18 10:57:48
● 2016-11-08 14:42:40
● 2017-08-31 13:54:56
○ 2026-07-01 00:05:38
○ 2026-07-12 07:18:28

○MXmx1.smtp.exch081.serverdata.net2015-05-29 → 2016-04-18 · 4 obs

● 2015-05-29 03:31:38
● 2016-04-18 10:57:48
○ 2016-11-08 14:42:40
○ 2026-07-12 07:18:28

○MXmx2.smtp.exch081.serverdata.net2015-05-29 → 2016-04-18 · 4 obs

● 2015-05-29 03:31:38
● 2016-04-18 10:57:48
○ 2016-11-08 14:42:40
○ 2026-07-12 07:18:28

○MXwest.smtp.exch081.serverdata.net2016-11-08 → 2017-08-31 · 5 obs

○ 2016-04-18 10:57:48
● 2016-11-08 14:42:40
● 2017-08-31 13:54:56
○ 2026-07-01 00:05:38
○ 2026-07-12 07:18:28

●A141.193.213.102026-07-01 → 2026-07-12 · 3 obs

○ 2017-08-31 13:54:56
● 2026-07-01 00:05:38
● 2026-07-12 07:18:28

●A141.193.213.112026-07-01 → 2026-07-12 · 3 obs

○ 2017-08-31 13:54:56
● 2026-07-01 00:05:38
● 2026-07-12 07:18:28

○A206.188.192.892015-05-29 → 2016-04-18 · 4 obs

● 2015-05-29 03:31:38
● 2016-04-18 10:57:48
○ 2016-11-08 14:42:40
○ 2026-07-12 07:18:28

○A23.253.76.812016-11-08 → 2017-08-31 · 5 obs

○ 2016-04-18 10:57:48
● 2016-11-08 14:42:40
● 2017-08-31 13:54:56
○ 2026-07-01 00:05:38
○ 2026-07-12 07:18:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
blockdev.com	dora.ns.cloudflare.com, dax.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.133

NS records: dora.ns.cloudflare.com, dax.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for blockdev.com (unsigned zone)

⏱️ Timing

Total: 158ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`141.193.213.10, 141.193.213.11`
NS	2	`dax.ns.cloudflare.com, dora.ns.cloudflare.com`
MX	1	`blockdev-com.mail.protection.outlook.com`
TXT	2	`have-i-been-pwned-verification=68aa23231, v=spf1 include:zeptomail.net include:spf`
SOA	1	`dax.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

blockdev.com serves as the parent of www.blockdev.com.

IP Addresses

blockdev.com resolves to the IP addresses 141.193.213.10 and 141.193.213.11

Two other host names, along with concourse.mit.edu, remote.crmllc.com and burtontrent.com, also share IP numbers with blockdev.com.

Name Servers

blockdev.com has two authoritative name servers — dax.ns.cloudflare.com and dora.ns.cloudflare.com.

blockdev.com shares its NS records with other domains, for example irpinia.ca, responseinnovations.com, baleforce.com and two others.

blockdev.com has at least partial name server overlap with other domains, such as beaconct.org, antiddoshosting.net, emilehajema.nl and two others.

These name servers tend to appear together with the name servers indie.ns.cloudflare.com, aryanna.ns.cloudflare.com and adele.ns.cloudflare.com.

DNS names with 6 IP addresses:

dax.ns.cloudflare.com points to 108.162.195.133, 162.159.44.133, 172.64.35.133 and 3 other IP addresses.

dora.ns.cloudflare.com points to 108.162.192.108, 172.64.32.108, 173.245.58.108 and 3 other IP addresses.

Mail Servers

The sole mail server for blockdev.com is blockdev-com.mail.protection.outlook.com.

With 8 IP addresses total, blockdev-com.mail.protection.outlook.com resolves to 52.101.190.0, 52.101.190.1, 52.101.190.2 and 5 others.