mail.sdteach.com - robtex.com

mail.sdteach.com

DNSSEC⚠️ Not signed

sdteach.com

DNSSEC⚠️ Not signed
A3.33.251.168πŸ‡ΊπŸ‡Έ Amazon3.33.240.0/20
A15.197.225.128πŸ‡ΊπŸ‡Έ Amazon15.197.224.0/20
NSns43.domaincontrol.com ⭐
NSns44.domaincontrol.com
MXsdteach-com.mail.protection.outlook.com ⭐
TXTNETORGFT10006531.onmicrosoft.com
TXTv=spf1 include:secureserver.net -all
SOAns43.domaincontrol.comdns@jomax.net 2026-02-11 #1

Previously MX for

Same first word

Similar names

DNS History

4 records (0 active, 4 former)

200920112013201520172019202120232025A192.254.148.4650.63.202.765.61.173.233CNAMEsdteach.com
β—‹A192.254.148.462015-06-22 β†’ 2016-02-12 Β· 5 obs
β—‹ 2008-03-16 17:05:52
● 2015-06-22 20:59:36
● 2016-02-12 23:11:38
β—‹ 2016-07-19 19:19:28
β—‹ 2026-06-04 19:56:58
β—‹A50.63.202.72016-07-19 β†’ 2016-07-19 Β· 4 obs
β—‹ 2016-02-12 23:11:38
● 2016-07-19 19:19:28
β—‹ 2026-06-04 19:56:56
β—‹ 2026-06-04 19:56:58
β—‹A65.61.173.2332008-03-16 β†’ 2008-03-16 Β· 3 obs
● 2008-03-16 17:05:52
β—‹ 2015-06-22 20:59:36
β—‹ 2026-06-04 19:56:58
β—‹CNAMEsdteach.com2015-06-22 β†’ 2015-06-22 Β· 4 obs
β—‹ 2008-03-16 17:05:52
● 2015-06-22 20:59:36
β—‹ 2015-11-18 17:56:02
β—‹ 2026-06-04 19:56:58

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
sdteach.comns43.domaincontrol.com, ns44.domaincontrol.com4 records

βœ… Authoritative Response

Server:97.74.101.22

NS records: ns43.domaincontrol.com, ns44.domaincontrol.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sdteach.com (unsigned zone)

⏱️ Timing

Total: 1173ms | Queries: -

πŸ“„ Records

TypeCountSample Data

πŸ“Œ Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns43.domaincontrol.com, ns43.domaincontrol.com, ns44.domaincontrol.com...)