`blockstrom.com`

DNSSEC	⚠️ Not signed
A	20.36.155.75^{🇺🇸 Microsoft20.36.0.0/14 MICROSOFT}
NS	`ns1-05.azure-dns.com` ⭐
		A	2603:1061:0:700::5^{🇺🇸 Microsoft2603:1000::/25 MICROSOFT}
			PTR	`ns1-05.azure-dns.com`
		A	13.107.236.5^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
			PTR	`ns1-05.azure-dns.com`
NS	`ns2-05.azure-dns.net`
		A	2620:1ec:8ec:700::5^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns2-05.azure-dns.net`
		A	150.171.21.5^{🇺🇸 Microsoft150.171.0.0/16 MICROSOFT}
			PTR	`ns2-05.azure-dns.net`
NS	`ns3-05.azure-dns.org`
		A	2a01:111:4000:700::5^{🇬🇧 Microsoft2a01:111:4000::/36}
			PTR	`ns3-05.azure-dns.org`
		A	204.14.183.5^{🇺🇸 Microsoft204.14.180.0/22}
			PTR	`ns3-05.azure-dns.org`
NS	`ns4-05.azure-dns.info`
		A	2620:1ec:bda:700::5^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns4-05.azure-dns.info`
		A	208.84.5.5^{🇺🇸 Microsoft208.84.0.0/21 MICROSOFT}
			PTR	`ns4-05.azure-dns.info`
MX	`blockstrom-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca3c::^{🇨🇭 Microsoft2a01:111:f000::/36}
			PTR	`mail-zrap278cu00300.inbound.protection.outlook.com`
		A	2a01:111:f403:ca3c::1^{🇨🇭 Microsoft2a01:111:f000::/36}
			PTR	`mail-zrzp278cu00201.inbound.protection.outlook.com`
		A	2a01:111:f403:ca3c::2^{🇨🇭 Microsoft2a01:111:f000::/36}
			PTR	`mail-zr1p278cu00202.inbound.protection.outlook.com`
		A	2a01:111:f403:ca3e::1^{🇨🇭 Microsoft2a01:111:f000::/36}
			PTR	`mail-gvap278cu00301.inbound.protection.outlook.com`
		A	52.101.185.12^{🇨🇭 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-zrap278cu00304.inbound.protection.outlook.com`
		A	52.101.185.13^{🇨🇭 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-zrzp278cu00205.inbound.protection.outlook.com`
		A	52.101.185.14^{🇨🇭 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-zr1p278cu00206.inbound.protection.outlook.com`
		A	52.101.187.1^{🇨🇭 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-gvap278cu00301.inbound.protection.outlook.com`
TXT	`MS=ms10164897`
TXT	`blockstrom-p.azurewebsites.net`
TXT	`qxx5fhf42tdm84llz8f2t77yt3cf89gr`
TXT	`public-blockstrom-west-eu-p.azurewebsites.net`
TXT	`v=spf1 include:spf.protection.outlook.com include:_spf.bexio.com -all`
SOA	`ns1-05.azure-dns.com`azuredns-hostmaster@microsoft.com serial=1

`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

🔒 HSTS Preload (+subdomains)

Same first word

blockstrom.com

DNS History

13 records (6 active, 7 former)

○NSns.hostpoint.ch2017-05-08 → 2017-05-08 · 3 obs

● 2017-05-08 07:33:40
○ 2026-03-08 20:14:38
○ 2026-03-15 20:04:14

●NSns1-05.azure-dns.com2026-03-08 → 2026-03-15 · 3 obs

○ 2017-05-08 07:33:40
● 2026-03-08 20:14:38
● 2026-03-15 20:04:14

●NSns2-05.azure-dns.net2026-03-08 → 2026-03-15 · 3 obs

○ 2017-05-08 07:33:40
● 2026-03-08 20:14:38
● 2026-03-15 20:04:14

○NSns2.hostpoint.ch2017-05-08 → 2017-05-08 · 3 obs

● 2017-05-08 07:33:40
○ 2026-03-08 20:14:38
○ 2026-03-15 20:04:14

●NSns3-05.azure-dns.org2026-03-08 → 2026-03-15 · 3 obs

○ 2017-05-08 07:33:40
● 2026-03-08 20:14:38
● 2026-03-15 20:04:14

○NSns3.hostpoint.ch2017-05-08 → 2017-05-08 · 3 obs

● 2017-05-08 07:33:40
○ 2026-03-08 20:14:38
○ 2026-03-15 20:04:14

●NSns4-05.azure-dns.info2026-03-08 → 2026-03-15 · 3 obs

○ 2017-05-08 07:33:40
● 2026-03-08 20:14:38
● 2026-03-15 20:04:14

●MXblockstrom-com.mail.protection.outlook.com2026-03-08 → 2026-03-15 · 3 obs

○ 2017-05-08 07:33:40
● 2026-03-08 20:14:38
● 2026-03-15 20:04:14

○MXmx1.mail.hostpoint.ch2017-05-08 → 2017-05-08 · 3 obs

● 2017-05-08 07:33:40
○ 2026-03-08 20:14:38
○ 2026-03-15 20:04:14

○MXmx2.mail.hostpoint.ch2017-05-08 → 2017-05-08 · 3 obs

● 2017-05-08 07:33:40
○ 2026-03-08 20:14:38
○ 2026-03-15 20:04:14

○A20.101.2.1572026-03-08 → 2026-03-14 · 5 obs

○ 2017-05-08 07:33:40
● 2026-03-08 20:14:38
● 2026-03-14 13:07:22
○ 2026-03-15 02:08:38
○ 2026-03-15 20:04:14

●A20.36.155.752026-03-15 → 2026-03-15 · 3 obs

○ 2026-03-14 13:07:22
● 2026-03-15 02:08:38
● 2026-03-15 20:04:14

○A217.26.54.282017-05-08 → 2017-05-08 · 3 obs

● 2017-05-08 07:33:40
○ 2026-03-08 20:14:38
○ 2026-03-15 20:04:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, a.gtld-servers.net, m.gtld-servers.net, h.gtld-servers.net...	-
blockstrom.com	ns1-05.azure-dns.com, ns2-05.azure-dns.net, ns3-05.azure-dns.org, ns4-05.azure-dns.info	2 records

✅ Authoritative Response

Server: 150.171.21.5

NS records: ns1-05.azure-dns.com, ns2-05.azure-dns.net, ns3-05.azure-dns.org, ns4-05.azure-dns.info

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for blockstrom.com (unsigned zone)

⏱️ Timing

Total: 277ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`20.36.155.75`
NS	4	`ns1-05.azure-dns.com, ns2-05.azure-dns.net...`
MX	1	`blockstrom-com.mail.protection.outlook.c`
TXT	5	`qxx5fhf42tdm84llz8f2t77yt3cf89gr, blockstrom-p.azurewebsites.net...`
SOA	1	`ns1-05.azure-dns.com azuredns-hostmaster`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1-05.azure-dns.com, ns1-05.azure-dns.com)

Analysis

IP Addresses

blockstrom.com points to a single IP address: 20.36.155.75.

Other host names such as afs.co.ug, airmastershvac.com, yqb.ca, voltdigital.com.br and airmastershvac.net share IP numbers with blockstrom.com.

Name Servers

blockstrom.com is delegated to four name servers: ns1-05.azure-dns.com, ns4-05.azure-dns.info, ns2-05.azure-dns.net and ns3-05.azure-dns.org.

At least part of the name servers for blockstrom.com are shared with other domains, for instance kahoso.com, ddi.com, cinergy.technology, ecmaker.com and resultatssurdemande.com.