`sourcecode.us`

DNSSEC	⚠️ Not signed
NS	`ns11.constellix.com` ⭐
		A	2600:180a:1001::1^{🇺🇸 Tiggee2600:180a:1001::/48 Constellix anycast network}
			PTR	`ns11.constellix.com`
		A	96.45.80.1^{🇺🇸 Tiggee96.45.80.0/24 route 96.45.80.0/24}
			PTR	`ns11.constellix.com`
NS	`ns21.constellix.com`
		A	2600:180b:2001::1^{🇺🇸 Tiggee2600:180b:2001::/48 Constellix anycast network}
			PTR	`ns21.constellix.com`
		A	46.31.236.1^{🇺🇸 Tiggee46.31.236.0/24 route 46.31.236.0/24}
			PTR	`ns21.constellix.com`
NS	`ns31.constellix.com`
		A	2600:180c:3001::1^{🇺🇸 Tiggee2600:180c:3001::/48 Constellix anycast network}
			PTR	`ns31.constellix.com`
		A	43.247.170.1^{🇯🇵 Tiggee43.247.170.0/24 route 43.247.170.0/24}
			PTR	`ns31.constellix.com`
NS	`ns41.constellix.net` ⚠️ Not in parent delegation
		A	2600:180a:4001::1^{🇺🇸 Tiggee2600:180a:4001::/48 Constellix anycast network}
			PTR	`ns41.constellix.net`
		A	96.45.81.1^{🇺🇸 Tiggee96.45.81.0/24 route 96.45.81.0/24}
			PTR	`ns41.constellix.net`
NS	`ns51.constellix.net` ⚠️ Not in parent delegation
		A	2600:180b:5001::1^{🇺🇸 Tiggee2600:180b:5001::/48 Constellix anycast network}
			PTR	`ns51.constellix.net`
		A	46.31.237.1^{🇺🇸 Tiggee46.31.237.0/24 route 46.31.237.0/24}
			PTR	`ns51.constellix.net`
NS	`ns61.constellix.net` ⚠️ Not in parent delegation
		A	2600:180c:6001::1^{🇺🇸 Tiggee2600:180c:6001::/48 Constellix anycast network}
			PTR	`ns61.constellix.net`
		A	43.247.171.1^{🇯🇵 Tiggee43.247.171.0/24 route 43.247.171.0/24}
			PTR	`ns61.constellix.net`
MX	`sourcecode-us.mail.protection.office365.us` ⭐
		A	2001:489a:2202:4::10^{🇺🇸 AS80702001:489a:2000::/35 Microsoft Federal}
			PTR	`mail-bn3usg020010.inbound.protection.outlook.com`
		A	2001:489a:2202:5::10^{🇺🇸 AS80702001:489a:2000::/35 Microsoft Federal}
			PTR	`mail-cy1usg020010.inbound.protection.outlook.com`
		A	23.103.199.138^{🇺🇸 Microsoft23.103.128.0/17 MICROSOFT}
			PTR	`mail-bn3usg020138.inbound.protection.outlook.com`
		A	23.103.199.170^{🇺🇸 Microsoft23.103.128.0/17 MICROSOFT}
			PTR	`mail-cy1usg020170.inbound.protection.outlook.com`
TXT	`MS=ms91027331`
TXT	`v=spf1 include:spf.protection.office365.us -all`
SOA	`ns11.constellix.com`dns@constellix.com 2015-01-01 #24

`us`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.cctld.us` ⭐
	NS	`b.cctld.us`
	NS	`f.cctld.us`
	NS	`k.cctld.us`
	NS	`m.cctld.us`
	NS	`n.cctld.us`
	NS	`w.cctld.us`
	NS	`x.cctld.us`
	NS	`y.cctld.us`
	SOA	`a.cctld.us`admin@tldns.godaddy serial=1783207018

Same first word

Similar names

DNS History

16 records (7 active, 9 former)

●NSns11.constellix.com2026-03-23 → 2026-07-04 · 3 obs

○ 2019-02-18 22:03:22
● 2026-03-23 13:54:36
● 2026-07-04 23:42:02

○NSns13.domaincontrol.com2017-02-12 → 2019-02-18 · 5 obs

○ 2016-05-03 09:22:56
● 2017-02-12 02:58:38
● 2019-02-18 22:03:22
○ 2026-03-23 13:54:36
○ 2026-07-04 23:42:02

○NSns14.domaincontrol.com2017-02-12 → 2019-02-18 · 5 obs

○ 2016-05-03 09:22:56
● 2017-02-12 02:58:38
● 2019-02-18 22:03:22
○ 2026-03-23 13:54:36
○ 2026-07-04 23:42:02

●NSns21.constellix.com2026-03-23 → 2026-07-04 · 3 obs

○ 2019-02-18 22:03:22
● 2026-03-23 13:54:36
● 2026-07-04 23:42:02

●NSns31.constellix.com2026-03-23 → 2026-07-04 · 3 obs

○ 2019-02-18 22:03:22
● 2026-03-23 13:54:36
● 2026-07-04 23:42:02

●NSns41.constellix.net2026-03-23 → 2026-07-04 · 3 obs

○ 2019-02-18 22:03:22
● 2026-03-23 13:54:36
● 2026-07-04 23:42:02

●NSns51.constellix.net2026-03-23 → 2026-07-04 · 3 obs

○ 2019-02-18 22:03:22
● 2026-03-23 13:54:36
● 2026-07-04 23:42:02

●NSns61.constellix.net2026-03-23 → 2026-07-04 · 3 obs

○ 2019-02-18 22:03:22
● 2026-03-23 13:54:36
● 2026-07-04 23:42:02

○NSns67.domaincontrol.com2015-06-12 → 2016-05-03 · 4 obs

● 2015-06-12 10:25:50
● 2016-05-03 09:22:56
○ 2017-02-12 02:58:38
○ 2026-07-04 23:42:02

○NSns68.domaincontrol.com2015-06-12 → 2016-05-03 · 4 obs

● 2015-06-12 10:25:50
● 2016-05-03 09:22:56
○ 2017-02-12 02:58:38
○ 2026-07-04 23:42:02

○MXmailstore1.secureserver.net2015-06-12 → 2019-02-18 · 4 obs

● 2015-06-12 10:25:50
● 2019-02-18 22:03:22
○ 2026-03-23 13:54:36
○ 2026-07-04 23:42:02

○MXsmtp.secureserver.net2015-06-12 → 2019-02-18 · 4 obs

● 2015-06-12 10:25:50
● 2019-02-18 22:03:22
○ 2026-03-23 13:54:36
○ 2026-07-04 23:42:02

●MXsourcecode-us.mail.protection.office365.us2026-03-23 → 2026-07-04 · 3 obs

○ 2019-02-18 22:03:22
● 2026-03-23 13:54:36
● 2026-07-04 23:42:02

○A184.168.131.2412019-02-18 → 2019-02-18 · 4 obs

○ 2017-02-12 02:58:38
● 2019-02-18 22:03:22
○ 2026-03-23 13:54:36
○ 2026-07-04 23:42:02

○A50.63.202.12017-02-12 → 2017-02-12 · 4 obs

○ 2016-05-03 09:22:56
● 2017-02-12 02:58:38
○ 2019-02-18 22:03:22
○ 2026-07-04 23:42:02

○A50.63.202.562015-06-12 → 2016-05-03 · 4 obs

● 2015-06-12 10:25:50
● 2016-05-03 09:22:56
○ 2017-02-12 02:58:38
○ 2026-07-04 23:42:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
us	b.cctld.us, m.cctld.us, n.cctld.us, f.cctld.us...	-
sourcecode.us	ns21.constellix.com, ns11.constellix.com, ns31.constellix.com	-

✅ Authoritative Response

Server:43.247.170.1

NS records: ns21.constellix.com, ns11.constellix.com, ns31.constellix.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sourcecode.us (unsigned zone)

⏱️ Timing

Total: 679ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	6	`ns41.constellix.net, ns51.constellix.net...`
MX	1	`sourcecode-us.mail.protection.office365.`
TXT	2	`MS=ms91027331, v=spf1 include:spf.protection.office365.`
SOA	1	`ns11.constellix.com dns.constellix.com`

Analysis

Name Servers

sourcecode.us is served by 6 authoritative name servers — among them ns11.constellix.com, ns21.constellix.com, ns31.constellix.com and 3 others.

There is at least partial name server overlap between sourcecode.us and other domains — ssl-certificates.com, fsedu.com.au, blackie.ca and two more among them.

The name servers ns41.constellix.net, ns51.constellix.net and ns61.constellix.net are often found in combination with these name servers.

Host names pointing to two IP addresses:

ns11.constellix.com resolves to two addresses: 96.45.80.1 and 2600:180a:1001::1.

ns21.constellix.com resolves to two addresses: 46.31.236.1 and 2600:180b:2001::1.

ns31.constellix.com resolves to two addresses: 43.247.170.1 and 2600:180c:3001::1.

ns41.constellix.net resolves to two addresses: 96.45.81.1 and 2600:180a:4001::1.

ns51.constellix.net resolves to two addresses: 46.31.237.1 and 2600:180b:5001::1.

ns61.constellix.net resolves to two addresses: 43.247.171.1 and 2600:180c:6001::1.

Mail Servers

sourcecode.us uses one mail server — sourcecode-us.mail.protection.office365.us.

sourcecode-us.mail.protection.office365.us points to four IP addresses: 23.103.199.138, 23.103.199.170, 2001:489a:2202:4::10 and 2001:489a:2202:5::10.

sourcecode.us - robtex.com

sourcecode.us

us

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Name Servers

Mail Servers

`sourcecode.us`

`us`