preview.uhconline.com - robtex.com
preview.uhconline.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 149.111.129.41🇺🇸 UHG149.111.128.0/19 AC_UNITEDHEA1 | ||||||
| PTR | preview-elr.uhconline.com | ||||||
| A | 168.183.36.90🇺🇸 UHG168.183.36.0/22 UnitedHealth Group Incorporated 6150 Trenton Lane Plymouth, MN 55442 | ||||||
| NS | gtmelr01prd0304-ext-ha.uhc.com ⚠️ Not in zone NS records | ||||||
| A | 149.111.160.20🇺🇸 UHG149.111.160.0/22 UnitedHealth Group Incorporated 6150 Trenton Lane Plymouth, MN 55442 | ||||||
| PTR | gtmelr01prd0304-ext-ha.uhc.com | ||||||
| NS | gtmetc01prd01-ext.uhc.com ⚠️ Not in zone NS records | ||||||
| A | 168.183.64.10🇺🇸 UHG168.183.64.0/22 UnitedHealth Group Incorporated 6150 Trenton Lane Plymouth, MN 55442 | ||||||
| PTR | gtmetc01prd01-ext.uhc.com | ||||||
uhconline.com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 168.183.130.132🇺🇸 UHG168.183.128.0/20 OPTUM(AC_UNITEDHEA1) | ||||||
| NS | epla1.corpnamesvcs.com ⭐ | ||||||
| NS | edns4.ultradns.biz ⚠️ Not in zone NS records | ||||||
| NS | edns4.ultradns.com ⚠️ Not in zone NS records | ||||||
| NS | edns4.ultradns.net ⚠️ Not in zone NS records | ||||||
| NS | edns4.ultradns.org ⚠️ Not in zone NS records | ||||||
| NS | epla2.corpnamesvcs.com | ||||||
| TXT | v=spf1 include:_spfv4.corpmailsvcs.com -all | ||||||
| SOA | epla1.corpnamesvcs.comhostmaster@uhc.com serial=2994 | ||||||
Same first word
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DNS History
4 records (4 active, 0 former)
●NSgtmelr01prd0304-ext-ha.uhc.com2026-03-27 → 2026-04-11 · 2 obs
● 2026-04-11 19:11:40
●NSgtmetc01prd01-ext.uhc.com2026-03-27 → 2026-04-11 · 2 obs
● 2026-04-11 19:11:40
●A149.111.129.412016-03-21 → 2026-04-11 · 3 obs
● 2016-03-21 00:32:42
● 2026-04-11 19:11:40
●A168.183.36.902015-06-25 → 2026-04-11 · 6 obs
● 2015-12-04 21:52:44
○ 2016-03-21 00:32:42
○ 2016-09-08 23:52:54
● 2026-03-27 09:29:44
● 2026-04-11 19:11:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net... | - |
| uhconline.com | epla2.corpnamesvcs.com, epla1.corpnamesvcs.com, edns4.ultradns.net, edns4.ultradns.com... | 4 records |
| preview.uhconline.com | gtmelr01prd0304-ext-ha.uhc.com, gtmetc01prd01-ext.uhc.com | - |
✅ Authoritative Response
Server:149.111.160.20
NS records: gtmelr01prd0304-ext-ha.uhc.com, gtmetc01prd01-ext.uhc.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for preview.uhconline.com (unsigned zone)
⏱️ Timing
Total: 722ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 168.183.36.90, 149.111.129.41 |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (epla2.corpnamesvcs.com, epla1.corpnamesvcs.com, edns4.ultradns.com...)
Analysis
IP Addresses
preview.uhconline.com points to two IPs: 149.111.129.41 and 168.183.36.90.
Other host names for instance preview-areaf.uhconline.com and preview-elr.uhconline.com share IP numbers with preview.uhconline.com.
Name Servers
Two name servers gtmelr01prd0304-ext-ha.uhc.com and gtmetc01prd01-ext.uhc.com are delegated to preview.uhconline.com.
preview.uhconline.com uses the same name server configuration as other domains, such as www.uhgdirectconnect.uhc.com, stage-ssoi.uhg.com, prod.optumhealthsandiego.com, wem.uhc.com and citrixremote.optum.com.
preview.uhconline.com at least partially shares name servers with other domains such as bc.uhc.com, nyshc.health.ny.gov, eppeds.optum.com, secure-message-ui.optum.com and ogn.optum.com.
these name servers are commonly used with the name servers gtmetc01prd01.uhc.com.
Host names with a single IP address:
gtmelr01prd0304-ext-ha.uhc.com points to 149.111.160.20
gtmetc01prd01-ext.uhc.com points to 168.183.64.10