knowledgemed.com - robtex.com

knowledgemed.com

DNSSEC⚠️ Not signed
NScbru.br.ns.els-gms.att.net ⭐
A2001:1890:1ff:9f0:68:94:156:132🇺🇸 AS70182001:1890::/29 AT&T Enterprises, LLC
PTRcbru.br.ns.els-gms.att.net
A68.94.156.132🇺🇸 AS701868.88.0.0/13 ARIN Allocation SBC Internet Services
PTRcbru.br.ns.els-gms.att.net
NScmtu.mt.ns.els-gms.att.net
A2001:1890:1ff:9f1:99:99:99:132🇺🇸 AS70182001:1890::/29 AT&T Enterprises, LLC
PTRcmtu.mt.ns.els-gms.att.net
A99.99.99.132🇺🇸 AS701899.96.0.0/13 AT&T Enterprises, LLC
PTRcmtu.mt.ns.els-gms.att.net
NSstpns.guidant.com ⚠️ Not in zone NS records
A132.189.76.10🇺🇸 ENETWORKS128.0.0.0/2
PTRstpns.guidant.com
MXknowledgemed-com.mail.protection.outlook.com ⭐
A2a01:111:f403:c902::7🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-sj0pr02cu00107.inbound.protection.outlook.com
A2a01:111:f403:c922::2🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-bl0pr02cu00702.inbound.protection.outlook.com
A2a01:111:f403:c946::🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-ch5pr02cu00200.inbound.protection.outlook.com
A2a01:111:f403:c946::7🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-ch5pr02cu00307.inbound.protection.outlook.com
A52.101.8.51🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-dm1pr04cu00203.inbound.protection.outlook.com
A52.101.9.26🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-bl0pr02cu00702.inbound.protection.outlook.com
A52.101.41.21🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-sj2pr05cu00305.inbound.protection.outlook.com
A52.101.194.3🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-ch1pr04cu00103.inbound.protection.outlook.com
TXTv=spf1 include:_u.knowledgemed.com._spf.smart.ondmarc.com ~all
TXTMS=ms70591491
SOAcbru.br.ns.els-gms.att.netrm-hostmaster@ems.att.com serial=4

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1774834462

Same first word

knowledgemed.com

Similar names

medknowledge.de
medknowledge.com

DNS History

9 records (4 active, 5 former)

201020122014201620182020202220242026NScbru.br.ns.els-gms.att.netcmtu.mt.ns.els-gms.att.netstpns.guidant.comMXknowledgemed-com.mail.protection.outlook.commx1.bsci.iphmx.commx2.bsci.iphmx.comntgmx3.guidant.comstpmx3.guidant.comA128.11.157.209
●NScbru.br.ns.els-gms.att.net2009-01-18 → 2026-03-30 · 2 obs
● 2009-01-18 16:14:28
● 2026-03-30 01:45:24
●NScmtu.mt.ns.els-gms.att.net2009-01-18 → 2026-03-30 · 2 obs
● 2009-01-18 16:14:28
● 2026-03-30 01:45:24
●NSstpns.guidant.com2009-01-18 → 2026-03-30 · 5 obs
● 2009-01-18 16:14:28
○ 2015-07-19 02:09:14
○ 2017-09-16 04:14:30
● 2026-03-05 00:40:02
● 2026-03-30 01:45:24
●MXknowledgemed-com.mail.protection.outlook.com2026-03-05 → 2026-03-30 · 3 obs
○ 2017-09-16 04:14:30
● 2026-03-05 00:40:02
● 2026-03-30 01:45:24
○MXmx1.bsci.iphmx.com2016-08-07 → 2017-09-16 · 5 obs
○ 2016-07-03 07:26:04
● 2016-08-07 11:53:02
● 2017-09-16 04:14:30
○ 2026-03-05 00:40:02
○ 2026-03-30 01:45:24
○MXmx2.bsci.iphmx.com2016-08-07 → 2017-09-16 · 5 obs
○ 2016-07-03 07:26:04
● 2016-08-07 11:53:02
● 2017-09-16 04:14:30
○ 2026-03-05 00:40:02
○ 2026-03-30 01:45:24
○MXntgmx3.guidant.com2009-01-18 → 2016-07-03 · 4 obs
● 2009-01-18 16:14:28
● 2016-07-03 07:26:04
○ 2016-08-07 11:53:02
○ 2026-03-30 01:45:24
○MXstpmx3.guidant.com2009-01-18 → 2016-07-03 · 4 obs
● 2009-01-18 16:14:28
● 2016-07-03 07:26:04
○ 2016-08-07 11:53:02
○ 2026-03-30 01:45:24
○A128.11.157.2092009-01-18 → 2009-01-18 · 3 obs
● 2009-01-18 16:14:28
○ 2015-07-19 02:09:14
○ 2026-03-30 01:45:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
knowledgemed.comcbru.br.ns.els-gms.att.net, cmtu.mt.ns.els-gms.att.net, stpns.guidant.com1 record

✅ Authoritative Response

Server:68.94.156.132

NS records: cbru.br.ns.els-gms.att.net, cmtu.mt.ns.els-gms.att.net, stpns.guidant.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowledgemed.com (unsigned zone)

⏱️ Timing

Total: 3231ms | Queries: -

📄 Records

TypeCountSample Data
NS2cbru.br.ns.els-gms.att.net, cmtu.mt.ns.els-gms.att.net
MX1knowledgemed-com.mail.protection.outlook
TXT2MS=ms70591491, v=spf1 include:_u.knowledgemed.com._spf.
SOA1cbru.br.ns.els-gms.att.net rm-hostmaster

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (stpns.guidant.com)

Analysis

Name Servers

knowledgemed.com is delegated to three name servers: stpns.guidant.com, cbru.br.ns.els-gms.att.net and cmtu.mt.ns.els-gms.att.net.

knowledgemed.com partially shares name servers with other domains; examples include gs-gaohau.com, 96-27.239.207.12.in-addr.arpa, altsample.com, mybenefitsight.com and cityofsouthfultonga.gov.

These name servers are commonly used alongside dbru.br.ns.els-gms.att.net, ns9.customer.level3.net, ns6.customer.level3.net, auth1.dns.cogentco.com, auth2.dns.cogentco.com, dmtu.mt.ns.els-gms.att.net, nsa.ups.com, nsb.ups.com, shadowcat-i.ups.com and xbru.br.ns.els-gms.att.net.

Host names with two IP numbers:

cbru.br.ns.els-gms.att.net points to 2001:1890:1ff:9f0:68:94:156:132 and 68.94.156.132.

cmtu.mt.ns.els-gms.att.net points to 2001:1890:1ff:9f1:99:99:99:132 and 99.99.99.132.

Host names with one IP number:

stpns.guidant.com points to 132.189.76.10.

Mail Servers

knowledgemed.com is handled by a single mail server, knowledgemed-com.mail.protection.outlook.com.

Hostname knowledgemed-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c902::7, 2a01:111:f403:c922::2, 2a01:111:f403:c946::, 2a01:111:f403:c946::7, 52.101.8.51, 52.101.9.26, 52.101.41.21 and 52.101.194.3.