oscor.com - dns.ninja

`oscor.com`

DNSSEC	⚠️ Not signed
A	162.159.129.11^{Cloudflare162.159.128.0/19 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	162.159.130.11^{Cloudflare162.159.128.0/19 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`dbru.br.ns.els-gms.att.net` ⭐
		A	2001:1890:1ff:9f0:68:94:156:134^{🇺🇸 AS70182001:1890::/29 AT&T Enterprises, LLC}
			PTR	`dbru.br.ns.els-gms.att.net`
		A	68.94.156.134^{🇺🇸 AS701868.88.0.0/13 ARIN Allocation SBC Internet Services}
			PTR	`dbru.br.ns.els-gms.att.net`
NS	`dmtu.mt.ns.els-gms.att.net`
		A	2001:1890:1ff:9f1:99:99:99:134^{🇺🇸 AS70182001:1890::/29 AT&T Enterprises, LLC}
			PTR	`dmtu.mt.ns.els-gms.att.net`
		A	99.99.99.134^{🇺🇸 AS701899.96.0.0/13 AT&T Enterprises, LLC}
			PTR	`dmtu.mt.ns.els-gms.att.net`
MX	`oscor-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c902::6^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj0pr21cu00106.inbound.protection.outlook.com`
		A	2a01:111:f403:c92c::3^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-dm5pr04cu00103.inbound.protection.outlook.com`
		A	2a01:111:f403:f912::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-cy5pr03cu00200.inbound.protection.outlook.com`
		A	2a01:111:f403:f913::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-cy5pr05cu00101.inbound.protection.outlook.com`
		A	40.93.192.1^{🇺🇸 Microsoft40.80.0.0/12}
			PTR	`mail-dm5pr02cu00201.inbound.protection.outlook.com`
		A	52.101.40.4^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy5pr03cu00204.inbound.protection.outlook.com`
		A	52.101.42.14^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-mw2pr04cu00106.inbound.protection.outlook.com`
		A	52.101.50.10^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-mw2pr02cu00502.inbound.protection.outlook.com`
TXT	`smartsheet-site-validation=c9ItDAJZg6mfgWsrRpeMVnA4Rv_LOpB0`
TXT	`google-site-verification=vawQ(0x585878)rpOI8_NK4b23k4VuGghM_e5U6sh0PcfS0fH8`
TXT	`MS=ms65602668`
TXT	`google-site-verification=jBft6YVk8mR5v1aIMofdFIw3_Sp4gnosJ9IXxztY-6A`
TXT	`have-i-been-pwned-verification=ef6745952573909cf743a245967f23d0`
TXT	`google-site-verification=ABRSAg-5v6VtvraqfkMaqj7O5pbtAvZWcRMEz2z5fPc`
TXT	`VSaALpPmkjLeRg40a7rtMXBNdhtahQQYd+/o54ywcy+RqDJj1vXG2Aa/Y7zVjxRrG3OaZE28cCcN8...`
TXT	`oscor-com.mail.protection.outlook.com`
TXT	`globalsign-domain-verification=RH6d31afFNKOyWDehjLO3J8Ne8G0QJ4RO3iIq5kc_Z`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`dbru.br.ns.els-gms.att.net`rm-hostmaster@ems.att.com serial=7

`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=1785837582

Subdomains

mail.oscor.com

Same first word

oscor.fr

oscor.pl

oscor.ru

oscor.info

oscor.de

oscor.biz

oscor.com.ph

oscor.com

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croso.org

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coors.com.my

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coors.com.au

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coors.ca

scroo.de

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corso.me

coros.cn

croos.nl

DNS History

9 records (5 active, 4 former)

●NSdbru.br.ns.els-gms.att.net2026-02-15 → 2026-08-04 · 3 obs

○ 2019-04-15 00:18:36
● 2026-02-15 19:04:32
● 2026-08-04 10:07:08

●NSdmtu.mt.ns.els-gms.att.net2026-02-15 → 2026-08-04 · 3 obs

○ 2019-04-15 00:18:36
● 2026-02-15 19:04:32
● 2026-08-04 10:07:08

○NSns91.worldnic.com2015-06-25 → 2019-04-15 · 4 obs

● 2015-06-25 14:03:04
● 2019-04-15 00:18:36
○ 2026-02-15 19:04:32
○ 2026-08-04 10:07:08

○NSns92.worldnic.com2015-06-25 → 2019-04-15 · 4 obs

● 2015-06-25 14:03:04
● 2019-04-15 00:18:36
○ 2026-02-15 19:04:32
○ 2026-08-04 10:07:08

○MXmx1.oscor.com2015-06-25 → 2019-04-15 · 4 obs

● 2015-06-25 14:03:04
● 2019-04-15 00:18:36
○ 2026-02-15 19:04:32
○ 2026-08-04 10:07:08

●MXoscor-com.mail.protection.outlook.com2026-02-15 → 2026-08-04 · 5 obs

○ 2019-04-15 00:18:36
● 2026-02-15 19:04:32
○ 2026-06-19 10:16:44
● 2026-06-20 07:56:20
● 2026-08-04 10:07:08

●A162.159.129.112026-02-15 → 2026-08-04 · 5 obs

○ 2019-04-15 00:18:36
● 2026-02-15 19:04:32
○ 2026-06-19 10:16:44
● 2026-06-20 07:56:20
● 2026-08-04 10:07:08

●A162.159.130.112026-02-15 → 2026-08-04 · 5 obs

○ 2019-04-15 00:18:36
● 2026-02-15 19:04:32
○ 2026-06-19 10:16:44
● 2026-06-20 07:56:20
● 2026-08-04 10:07:08

○A206.188.193.152015-06-25 → 2019-04-15 · 4 obs

● 2015-06-25 14:03:04
● 2019-04-15 00:18:36
○ 2026-02-15 19:04:32
○ 2026-08-04 10:07:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, f.gtld-servers.net, d.gtld-servers.net, c.gtld-servers.net...	-
oscor.com	dbru.br.ns.els-gms.att.net, dmtu.mt.ns.els-gms.att.net	-

✅ Authoritative Response

Server:68.94.156.134

NS records: dbru.br.ns.els-gms.att.net, dmtu.mt.ns.els-gms.att.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for oscor.com (unsigned zone)

⏱️ Timing

Total: 1064ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`162.159.130.11, 162.159.129.11`
NS	2	`dmtu.mt.ns.els-gms.att.net, dbru.br.ns.els-gms.att.net`
MX	1	`oscor-com.mail.protection.outlook.com (p`
TXT	10	`google-site-verification=vawQ(0x585878)rpOI8_NK, MS=ms65602668...`
SOA	1	`dbru.br.ns.els-gms.att.net rm-hostmaster`

Analysis

Hierarchy

oscor.com is the parent zone for mail.oscor.com.

IP Addresses

oscor.com directs to two IP numbers, 162.159.129.11 and 162.159.130.11

Two other host names, along with 450plc.com, simulai.net and hollyfrontier.com, also share IP numbers with oscor.com.

Name Servers

oscor.com is served by two delegated name servers, dbru.br.ns.els-gms.att.net and dmtu.mt.ns.els-gms.att.net.

oscor.com shares its NS records with other domains, for example hillsidegiving.com, askblueguides.org, bluecrossblueshieldhealthselect.com and two others.

oscor.com partially shares its NS delegation with several other domains, including blggroup.biz, interbayreo.com, gsmortgages.com and two others.

In DNS configurations, these name servers often share authority with cmtu.mt.ns.els-gms.att.net, cbru.br.ns.els-gms.att.net, dns3.carnival.com and 7 other name servers.

Each of the two host names carries two IP addresses: dbru.br.ns.els-gms.att.net points to 68.94.156.134 and 2001:1890:1ff:9f0:68:94:156:134, and dmtu.mt.ns.els-gms.att.net points to 99.99.99.134 and 2001:1890:1ff:9f1:99:99:99:134.

Mail Servers

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

With 8 IP addresses total, oscor-com.mail.protection.outlook.com resolves to 40.93.192.1, 52.101.40.4, 52.101.42.14 and 5 others.