`cosesur.com`

DNSSEC	⚠️ Not signed
A	13.248.243.5^{🇺🇸 Amazon13.248.240.0/20}
		PTR	`a16e665f42988324c.awsglobalaccelerator.com`
A	76.223.105.230^{🇺🇸 Amazon76.223.96.0/20}
NS	`ns63.domaincontrol.com` ⭐
		A	2603:5:2154::2a^{🇺🇸 GODADDY-DNS2603:5:2150::/44}
			PTR	`ns63.domaincontrol.com`
		A	97.74.101.42^{🇺🇸 GODADDY-DNS97.74.100.0/23}
			PTR	`ns63.domaincontrol.com`
NS	`ns64.domaincontrol.com`
		A	2603:5:2254::2a^{🇺🇸 GODADDY-DNS2603:5:2250::/44}
			PTR	`ns64.domaincontrol.com`
		A	173.201.69.42^{🇺🇸 GODADDY-DNS173.201.68.0/23}
			PTR	`ns64.domaincontrol.com`
MX	`cosesur-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:cc3a::^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-qr0p297cu00300.inbound.protection.outlook.com`
		A	2a01:111:f403:cc3a::1^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-qr0p297cu00401.inbound.protection.outlook.com`
		A	2a01:111:f403:cc3a::2^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-qr1p297cu00202.inbound.protection.outlook.com`
		A	2a01:111:f403:cc3a::3^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-qr2p297cu00303.inbound.protection.outlook.com`
		A	52.101.232.0^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-qr0p297cu00300.inbound.protection.outlook.com`
		A	52.101.232.1^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-qr0p297cu00401.inbound.protection.outlook.com`
		A	52.101.232.2^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-qr1p297cu00202.inbound.protection.outlook.com`
		A	52.101.232.3^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-qr2p297cu00303.inbound.protection.outlook.com`
TXT	`NETORGFT19815163.onmicrosoft.com`
TXT	`v=spf1 include:secureserver.net -all`
SOA	`ns63.domaincontrol.com`dns@jomax.net 2025-10-14 #2

`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=1784976802

Same first word

cosesur.com

Similar names

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courses.neustar

DNS History

14 records (5 active, 9 former)

○NSns1.cdmon.net2017-05-11 → 2019-11-23 · 4 obs

● 2017-05-11 19:52:36
● 2019-11-23 03:32:40
○ 2020-05-15 17:14:30
○ 2026-07-25 11:06:38

○NSns2.cdmon.net2017-05-11 → 2019-11-23 · 4 obs

● 2017-05-11 19:52:36
● 2019-11-23 03:32:40
○ 2020-05-15 17:14:30
○ 2026-07-25 11:06:38

○NSns3.cdmon.net2017-05-11 → 2019-11-23 · 4 obs

● 2017-05-11 19:52:36
● 2019-11-23 03:32:40
○ 2020-05-15 17:14:30
○ 2026-07-25 11:06:38

○NSns4.cdmondns-01.org2019-08-21 → 2019-11-23 · 5 obs

○ 2017-05-11 19:52:36
● 2019-08-21 17:27:20
● 2019-11-23 03:32:40
○ 2020-05-15 17:14:30
○ 2026-07-25 11:06:38

○NSns5.cdmondns-01.com2019-08-21 → 2019-11-23 · 5 obs

○ 2017-05-11 19:52:36
● 2019-08-21 17:27:20
● 2019-11-23 03:32:40
○ 2020-05-15 17:14:30
○ 2026-07-25 11:06:38

●NSns63.domaincontrol.com2026-07-18 → 2026-07-25 · 3 obs

○ 2020-05-15 17:14:30
● 2026-07-18 13:38:08
● 2026-07-25 11:06:38

●NSns64.domaincontrol.com2026-07-18 → 2026-07-25 · 3 obs

○ 2020-05-15 17:14:30
● 2026-07-18 13:38:08
● 2026-07-25 11:06:38

●MXcosesur-com.mail.protection.outlook.com2026-07-18 → 2026-07-25 · 3 obs

○ 2020-05-15 17:14:30
● 2026-07-18 13:38:08
● 2026-07-25 11:06:38

○MXmail.cosesur.com2017-05-11 → 2019-11-23 · 4 obs

● 2017-05-11 19:52:36
● 2019-11-23 03:32:40
○ 2020-05-15 17:14:30
○ 2026-07-25 11:06:38

○MXmx1.filterantispam.com2019-08-21 → 2019-11-23 · 5 obs

○ 2017-05-11 19:52:36
● 2019-08-21 17:27:20
● 2019-11-23 03:32:40
○ 2020-05-15 17:14:30
○ 2026-07-25 11:06:38

○MXmx2.filterantispam.com2019-08-21 → 2019-11-23 · 5 obs

○ 2017-05-11 19:52:36
● 2019-08-21 17:27:20
● 2019-11-23 03:32:40
○ 2020-05-15 17:14:30
○ 2026-07-25 11:06:38

●A13.248.243.52026-07-18 → 2026-07-25 · 3 obs

○ 2020-05-15 17:14:30
● 2026-07-18 13:38:08
● 2026-07-25 11:06:38

○A134.0.11.382017-05-11 → 2019-11-23 · 4 obs

● 2017-05-11 19:52:36
● 2019-11-23 03:32:40
○ 2020-05-15 17:14:30
○ 2026-07-25 11:06:38

●A76.223.105.2302026-07-18 → 2026-07-25 · 3 obs

○ 2020-05-15 17:14:30
● 2026-07-18 13:38:08
● 2026-07-25 11:06:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
cosesur.com	ns63.domaincontrol.com, ns64.domaincontrol.com	4 records

✅ Authoritative Response

Server:97.74.101.42

NS records: ns63.domaincontrol.com, ns64.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cosesur.com (unsigned zone)

⏱️ Timing

Total: 94ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`76.223.105.230, 13.248.243.5`
NS	2	`ns63.domaincontrol.com, ns64.domaincontrol.com`
MX	1	`cosesur-com.mail.protection.outlook.com`
TXT	2	`NETORGFT19815163.onmicrosoft.com, v=spf1 include:secureserver.net -all`
SOA	1	`ns63.domaincontrol.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns63.domaincontrol.com, ns63.domaincontrol.com, ns64.domaincontrol.com...)

Analysis

IP Addresses

cosesur.com resolves to the IP addresses 13.248.243.5 and 76.223.105.230

Among the host names that share IP numbers with cosesur.com are bigiato.com, rightdownbroadway.org, mathmentum.com and two others.

Name Servers

cosesur.com uses two name servers for its delegation: ns63.domaincontrol.com and ns64.domaincontrol.com.

cosesur.com has the same name server delegation as a number of other domains, such as anafence.com, sox.group, homeonpalm.com and two more.

At least some of cosesur.com's name servers are also used by other domains, among them cinderellaball.com.

The two host names ns63.domaincontrol.com and ns64.domaincontrol.com each have a pair of IP addresses: ns63.domaincontrol.com has 97.74.101.42 and 2603:5:2154::2a, and ns64.domaincontrol.com has 173.201.69.42 and 2603:5:2254::2a.

Mail Servers

cosesur.com routes its mail through a single mail server, cosesur-com.mail.protection.outlook.com.

cosesur-com.mail.protection.outlook.com directs to 8 IP numbers, including 52.101.232.0, 52.101.232.1 and 52.101.232.2, along with 5 other.

cosesur.com - robtex.com

cosesur.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`cosesur.com`

`com`