tech.xo.com - robtex.com
tech.xo.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 208.177.199.19🇺🇸 AS2828208.176.0.0/15 Proxy registration to prevent harm from ARIN-NONAUTH shutdown | ||||||
| PTR | tech.xo.com | ||||||
| NS | ns-twbg.verizonwireless.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 137.188.98.17🇺🇸 AS12079137.188.64.0/18 | ||||||
| PTR | ns-twbg.verizonwireless.com | ||||||
| NS | ns-scrm.verizonwireless.com ⚠️ Not in parent delegation | ||||||
| A | 162.115.34.17🇺🇸 AS12079162.115.0.0/18 | ||||||
| PTR | ns-scrm.verizonwireless.com | ||||||
| NS | ns-tmtr.verizonwireless.com ⚠️ Not in parent delegation | ||||||
| A | 63.27.16.17🇺🇸 AS698463.27.16.0/20 Verizon Business | ||||||
| PTR | ns-tmtr.verizonwireless.com | ||||||
| MX | mail.tech.xo.com ⭐ | ||||||
| A | 208.177.199.20🇺🇸 AS2828208.176.0.0/15 Proxy registration to prevent harm from ARIN-NONAUTH shutdown | ||||||
| PTR | mail.tech.xo.com | ||||||
| SOA | ns-twbg.verizonwireless.comtech-sysadmin@tech.xo.com 2017-09-05 #17 | ||||||
xo.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 35.164.216.153🇺🇸 Amazon35.160.0.0/13 EC2 PDX prefix | ||||||
| NS | ns-twbg.verizonwireless.com ⭐ | ||||||
| NS | ns-scrm.verizonwireless.com | ||||||
| NS | ns-tmtr.verizonwireless.com | ||||||
| MX | mxa-0024a201.gslb.pphosted.com ⭐ | ||||||
| MX | mxb-0024a201.gslb.pphosted.com ⭐ | ||||||
| TXT | smartsheet-site-validation=V3VbRh97ABuGmpl_wREHAEWtsewGtJKC | ||||||
| TXT | mgb35kt7y711zvfn3g4lz51cr08mj5y2 | ||||||
| TXT | amazonses:FR+snpgjR0bvj1KgWDDUDuQM0TdXqn4X3oZ645F0n7M= | ||||||
| TXT | v=spf1 ip4:205.158.160.37 ip4:205.158.160.39 ip4:205.158.160.44 ip4:205.158.1... | ||||||
| TXT | google-site-verification=nA60hvX7sN1bxmbAE2aVwOpueFAf9CBZHRUjr83omZ0 | ||||||
| TXT | qm0g7zkvj1t3z2l3dd3nlzfdm4pbg33w | ||||||
| SOA | ns-twbg.verizonwireless.comhostmaster@xo.com 2013-07-20 #91 | ||||||
rank #259927 globally
rank #107259 in the tld
WOT: SAFE (91/100)
📈 Tranco rank: #77,244
PTR for
Previously NS for
tech.xo.com |
Subdomains
mail.tech.xo.com |
Same first word
Similar names
DNS History
10 records (5 active, 5 former)
○NSnameserver.concentric.net2015-08-17 → 2016-07-16 · 4 obs
● 2016-07-16 06:41:12
○ 2026-03-07 05:28:02
○ 2026-05-12 13:26:28
○NSnameserver1.concentric.net2015-08-17 → 2016-07-16 · 4 obs
● 2016-07-16 06:41:12
○ 2026-03-07 05:28:02
○ 2026-05-12 13:26:28
○NSnameserver2.concentric.net2015-08-17 → 2016-07-16 · 4 obs
● 2016-07-16 06:41:12
○ 2026-03-07 05:28:02
○ 2026-05-12 13:26:28
○NSnameserver3.concentric.net2015-08-17 → 2016-07-16 · 4 obs
● 2016-07-16 06:41:12
○ 2026-03-07 05:28:02
○ 2026-05-12 13:26:28
●NSns-scrm.verizonwireless.com2026-03-07 → 2026-05-12 · 3 obs
● 2026-03-07 05:28:02
● 2026-05-12 13:26:28
●NSns-tmtr.verizonwireless.com2026-03-07 → 2026-05-12 · 3 obs
● 2026-03-07 05:28:02
● 2026-05-12 13:26:28
●NSns-twbg.verizonwireless.com2026-03-07 → 2026-05-12 · 3 obs
● 2026-03-07 05:28:02
● 2026-05-12 13:26:28
○NStech.xo.com2015-08-17 → 2016-07-16 · 4 obs
● 2016-07-16 06:41:12
○ 2026-03-07 05:28:02
○ 2026-05-12 13:26:28
●MXmail.tech.xo.com2015-08-17 → 2026-05-12 · 2 obs
● 2026-05-12 13:26:28
●A208.177.199.192015-08-17 → 2026-05-12 · 2 obs
● 2026-05-12 13:26:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, b.gtld-servers.net, a.gtld-servers.net, d.gtld-servers.net... | - |
| xo.com | ns-scrm.verizonwireless.com, ns-twbg.verizonwireless.com, ns-tmtr.verizonwireless.com | 3 records |
✅ Authoritative Response
Server:162.115.34.17
NS records: ns-scrm.verizonwireless.com, ns-twbg.verizonwireless.com, ns-tmtr.verizonwireless.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for xo.com (unsigned zone)
⏱️ Timing
Total: 1165ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 208.177.199.19 |
| NS | 3 | ns-tmtr.verizonwireless.com, ns-scrm.verizonwireless.com... |
| MX | 1 | mail.tech.xo.com (pri: 10) |
| SOA | 1 | ns-twbg.verizonwireless.com tech-sysadmi |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns-scrm.verizonwireless.com, ns-twbg.verizonwireless.com, ns-tmtr.verizonwireless.com)
Analysis
Hierarchy
tech.xo.com is a parent of mail.tech.xo.com.
IP Addresses
tech.xo.com points to a single IP number: 208.177.199.19.
Name Servers
The delegation for tech.xo.com is handled by three name servers: ns-scrm.verizonwireless.com, ns-tmtr.verizonwireless.com and ns-twbg.verizonwireless.com.
tech.xo.com at least partially shares name servers with other domains, for instance interactive.xo.com, nondistance.org, allhandsonverizonwireless.com, allhandsverizonwireless.com and meetwithease.com.
These name servers are commonly used with ns-orbg.verizonwireless.com and ns-dbln.verizonwireless.com.
Host names with one IP number:
ns-scrm.verizonwireless.com points to 162.115.34.17.
ns-tmtr.verizonwireless.com points to 63.27.16.17.
ns-twbg.verizonwireless.com points to 137.188.98.17.
Mail Servers
tech.xo.com is handled by a single mail server, mail.tech.xo.com.
mail.tech.xo.com points to a single IP: 208.177.199.20.