mail.subst.com - robtex.com

mail.subst.com

DNSSECโš ๏ธ Not signed
A216.55.210.158๐Ÿ‡จ๐Ÿ‡ฆ Equinix216.55.208.0/21 Proxy for Allstream Customer
PTRmail.subst.com

subst.com

DNSSECโš ๏ธ Not signed
A216.55.210.157๐Ÿ‡จ๐Ÿ‡ฆ Equinix216.55.208.0/21 Proxy for Allstream Customer
NSpdns03.domaincontrol.com โญ
NSpdns04.domaincontrol.com
MXmail.subst.com โญ
TXTv=spf1 mx ip4:216.55.210.158 ip4:216.55.210.157 ip4:216.55.210.130 -all
SOApdns03.domaincontrol.comdns@jomax.net 2021-10-27 #2

PTR for

MX for

Previously MX for

Same first word

Similar names

DNS History

2 records (1 active, 1 former)

20162017201820192020202120222023202420252026A216.55.210.158139.142.233.154
โ—‹A139.142.233.1542015-07-07 โ†’ 2016-07-20 ยท 4 obs
โ— 2015-07-07 16:06:42
โ— 2016-07-20 15:09:30
โ—‹ 2016-12-26 20:00:24
โ—‹ 2026-03-23 08:45:28
โ—A216.55.210.1582016-12-26 โ†’ 2026-03-23 ยท 3 obs
โ—‹ 2016-07-20 15:09:30
โ— 2016-12-26 20:00:24
โ— 2026-03-23 08:45:28

๐Ÿ” DNS Trace

๐Ÿ“‹ Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
subst.compdns03.domaincontrol.com, pdns04.domaincontrol.com4 records

โœ… Authoritative Response

Server:97.74.111.51

NS records: pdns03.domaincontrol.com, pdns04.domaincontrol.com

๐Ÿ”’ DNSSEC Status

โš ๏ธ Insecure (no DNSSEC)

No DS record for subst.com (unsigned zone)

โฑ๏ธ Timing

Total: 261ms | Queries: -

๐Ÿ“„ Records

TypeCountSample Data
A1216.55.210.158

๐Ÿ“Œ Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (pdns03.domaincontrol.com, pdns03.domaincontrol.com, pdns04.domaincontrol.com...)

Analysis

Mail Server Role

mail.subst.com serves as the mail server for alive-health.ca and subst.com.

IP Addresses

mail.subst.com resolves to one IP number: 216.55.210.158.

Other host names for instance thebridgemusical.com and hyworon.com share IP numbers with mail.subst.com.