sslack.com - dns.ninja

`sslack.com`

DNSSEC	⚠️ Not signed
NS	`ns1.bdm.microsoftonline.com` ⭐
		A	2603:1061:0:700::d0^{🇺🇸 Microsoft2603:1000::/25 MICROSOFT}
			PTR	`ns1-208.azure-dns.com`
		A	13.107.236.208^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
			PTR	`ns1-208.azure-dns.com`
NS	`ns2.bdm.microsoftonline.com`
		A	2620:1ec:8ec:700::d0^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns2-208.azure-dns.net`
		A	150.171.21.208^{🇺🇸 Microsoft150.171.0.0/16 MICROSOFT}
			PTR	`ns2-208.azure-dns.net`
NS	`ns3.bdm.microsoftonline.com`
		A	2a01:111:4000:700::d0^{🇬🇧 Microsoft2a01:111:4000::/36}
			PTR	`ns3-208.azure-dns.org`
		A	204.14.183.208^{🇺🇸 Microsoft204.14.180.0/22}
			PTR	`ns3-208.azure-dns.org`
NS	`ns4.bdm.microsoftonline.com`
		A	2620:1ec:bda:700::d0^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns4-208.azure-dns.info`
		A	208.84.5.208^{🇺🇸 Microsoft208.84.0.0/21 MICROSOFT}
			PTR	`ns4-208.azure-dns.info`
MX	`sslack-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c902::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj2pr05cu00401.inbound.protection.outlook.com`
		A	2a01:111:f403:c902::7^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj0pr02cu00107.inbound.protection.outlook.com`
		A	2a01:111:f403:f908::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn1pr21cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:f90f::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sa9pr04cu00201.inbound.protection.outlook.com`
		A	52.101.10.10^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn8pr05cu00102.inbound.protection.outlook.com`
		A	52.101.11.13^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sn1pr0501cu00205.inbound.protection.outlook.com`
		A	52.101.41.28^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj0pr03cu01504.inbound.protection.outlook.com`
		A	52.101.50.4^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-co1pr03cu00404.inbound.protection.outlook.com`
TXT	`mscid=cP0PkxCNPPyx/JpxRlNuraYpzkRxyz6bOmelu8D8iiTH3l0qXvWt3uDqNHTlSlLY+t1ymHB...`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`ns1.bdm.microsoftonline.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=1783188821

Same first word

sslack.com

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clkass.com

DNS History

12 records (5 active, 7 former)

○NSdns0.zoneedit.com2015-04-21 → 2017-01-31 · 4 obs

● 2015-04-21 00:35:08
● 2017-01-31 19:23:44
○ 2017-08-31 23:07:28
○ 2026-07-04 18:18:48

●NSns1.bdm.microsoftonline.com2017-08-31 → 2026-07-04 · 3 obs

○ 2017-01-31 19:23:44
● 2017-08-31 23:07:28
● 2026-07-04 18:18:48

○NSns14.zoneedit.com2015-04-21 → 2017-01-31 · 4 obs

● 2015-04-21 00:35:08
● 2017-01-31 19:23:44
○ 2017-08-31 23:07:28
○ 2026-07-04 18:18:48

●NSns2.bdm.microsoftonline.com2017-08-31 → 2026-07-04 · 3 obs

○ 2017-01-31 19:23:44
● 2017-08-31 23:07:28
● 2026-07-04 18:18:48

●NSns3.bdm.microsoftonline.com2017-08-31 → 2026-07-04 · 3 obs

○ 2017-01-31 19:23:44
● 2017-08-31 23:07:28
● 2026-07-04 18:18:48

●NSns4.bdm.microsoftonline.com2017-08-31 → 2026-07-04 · 3 obs

○ 2017-01-31 19:23:44
● 2017-08-31 23:07:28
● 2026-07-04 18:18:48

○NSns7.zoneedit.com2015-04-21 → 2017-01-31 · 4 obs

● 2015-04-21 00:35:08
● 2017-01-31 19:23:44
○ 2017-08-31 23:07:28
○ 2026-07-04 18:18:48

○MXmail.sslack.com2015-04-21 → 2017-01-31 · 4 obs

● 2015-04-21 00:35:08
● 2017-01-31 19:23:44
○ 2017-08-31 23:07:28
○ 2026-07-04 18:18:48

○MXmx-caprica.zoneedit.com2015-10-14 → 2017-01-31 · 5 obs

○ 2015-04-21 00:35:08
● 2015-10-14 16:41:50
● 2017-01-31 19:23:44
○ 2017-08-31 23:07:28
○ 2026-07-04 18:18:48

●MXsslack-com.mail.protection.outlook.com2017-08-31 → 2026-07-04 · 3 obs

○ 2017-01-31 19:23:44
● 2017-08-31 23:07:28
● 2026-07-04 18:18:48

○A67.40.57.672015-04-21 → 2015-10-14 · 4 obs

● 2015-04-21 00:35:08
● 2015-10-14 16:41:50
○ 2016-01-20 13:54:48
○ 2026-07-04 18:18:48

○A97.92.111.1332016-01-20 → 2017-01-31 · 5 obs

○ 2015-10-14 16:41:50
● 2016-01-20 13:54:48
● 2017-01-31 19:23:44
○ 2017-08-31 23:07:28
○ 2026-07-04 18:18:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
sslack.com	ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com, ns4.bdm.microsoftonline.com	8 records

✅ Authoritative Response

Server:13.107.236.208

NS records: ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com, ns4.bdm.microsoftonline.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sslack.com (unsigned zone)

⏱️ Timing

Total: 3098ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com...`
MX	1	`sslack-com.mail.protection.outlook.com (`
TXT	2	`mscid=cP0PkxCNPPyx/JpxRlNuraYpzkRxyz6bOm, v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns1.bdm.microsoftonline.com azuredns-hos`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns1.bdm.microsoftonline.com, ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com...)

Analysis

Name Servers

Four name servers handle the delegation for sslack.com: ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com and ns4.bdm.microsoftonline.com.

At least some of sslack.com's name servers are shared with other domains, for example arthursfuel.com, lonepeakpartnersllc.com, sanko-indonesia.com and two more.

Four hostnames, each resolving to a pair of IP addresses: ns1.bdm.microsoftonline.com directs to 13.107.236.208 and 2603:1061:0:700::d0; ns2.bdm.microsoftonline.com directs to 150.171.21.208 and 2620:1ec:8ec:700::d0; ns3.bdm.microsoftonline.com directs to 204.14.183.208 and 2a01:111:4000:700::d0; ns4.bdm.microsoftonline.com directs to 208.84.5.208 and 2620:1ec:bda:700::d0.

Mail Servers

sslack.com uses one mail server — sslack-com.mail.protection.outlook.com.

sslack-com.mail.protection.outlook.com has 8 IP addresses: 52.101.10.10, 52.101.11.13, 52.101.41.28 plus 5 more.