mail.bldg51.com - robtex.com

mail.bldg51.com

DNSSEC⚠️ Not signed
A209.126.30.158🇺🇸 NEXCESS-01209.126.16.0/20 209.126.16.0/20
PTRcloudhost-65313.us-midwest-1.nxcli.net

bldg51.com

DNSSEC⚠️ Not signed
A209.126.30.158🇺🇸 NEXCESS-01209.126.16.0/20 209.126.16.0/20
NSns1.nexcess.net ⭐
NSns2.nexcess.net
NSns3.nexcess.net
NSns4.nexcess.net
MXmail.bldg51.com ⭐
TXTv=spf1 +a +mx +ip4:209.126.30.158 include:relay.mailchannels.net ~all
SOAns1.nexcess.nethostmaster@bldg51.com serial=1608181136

MX for

bldg51.com

Same first word

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DNS History

2 records (1 active, 1 former)

20162017201820192020202120222023202420252026A209.126.30.15869.160.48.83
●A209.126.30.1582026-03-27 → 2026-05-13 · 3 obs
○ 2016-04-24 04:47:40
● 2026-03-27 13:17:10
● 2026-05-13 12:00:30
○A69.160.48.832015-07-01 → 2016-04-24 · 4 obs
● 2015-07-01 02:37:08
● 2016-04-24 04:47:40
○ 2026-03-27 13:17:10
○ 2026-05-13 12:00:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comh.gtld-servers.net, m.gtld-servers.net, d.gtld-servers.net, k.gtld-servers.net...-
bldg51.comns2.nexcess.net, ns1.nexcess.net, ns3.nexcess.net, ns4.nexcess.net-

✅ Authoritative Response

Server:192.240.188.122

NS records: ns2.nexcess.net, ns1.nexcess.net, ns3.nexcess.net, ns4.nexcess.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bldg51.com (unsigned zone)

⏱️ Timing

Total: 655ms | Queries: -

📄 Records

TypeCountSample Data
A1209.126.30.158

Analysis

Mail Server Role

mail.bldg51.com is the mail server for bldg51.com.

IP Addresses

mail.bldg51.com resolves to one IP number: 209.126.30.158.

other host names including sendrosepetals.com, customstockings.net, nutrim.com, mail.urbanremainschicago.com and bldg51.com share IP numbers with mail.bldg51.com.