ibew.com - robtex.com
ibew.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 12.4.113.105🇺🇸 AS701812.0.0.0/9 12/8 lower half | ||||||
| PTR | www.southeastlampac.org | ||||||
| NS | xbru.br.ns.els-gms.att.net ⭐ | ||||||
| A | 127.0.0.1 | ||||||
| NS | cbru.br.ns.els-gms.att.net | ||||||
| A | 2001:1890:1ff:9f0:68:94:156:132🇺🇸 AS70182001:1890::/29 AT&T Enterprises, LLC | ||||||
| PTR | cbru.br.ns.els-gms.att.net | ||||||
| A | 68.94.156.132🇺🇸 AS701868.88.0.0/13 ARIN Allocation SBC Internet Services | ||||||
| PTR | cbru.br.ns.els-gms.att.net | ||||||
| NS | cmtu.mt.ns.els-gms.att.net | ||||||
| A | 2001:1890:1ff:9f1:99:99:99:132🇺🇸 AS70182001:1890::/29 AT&T Enterprises, LLC | ||||||
| PTR | cmtu.mt.ns.els-gms.att.net | ||||||
| A | 99.99.99.132🇺🇸 AS701899.96.0.0/13 AT&T Enterprises, LLC | ||||||
| PTR | cmtu.mt.ns.els-gms.att.net | ||||||
| MX | mail.ibew.com ⭐ | ||||||
| A | 12.4.113.11🇺🇸 AS701812.0.0.0/9 12/8 lower half | ||||||
| PTR | mail.ibew.com | ||||||
| PTR | mail.ibew.net | ||||||
| PTR | mail.ibew.org | ||||||
| TXT | _7gsaz3ss11z9fejeeon40a88fq7vdkx | ||||||
| TXT | _0jwy43hm4iz130bt65c4dvx3a3um4cu | ||||||
| TXT | _vjcc4ac7y7vrlx2x12ezsl2roixchta | ||||||
| SOA | xbru.br.ns.els-gms.att.netrm-hostmaster@ems.att.com serial=20 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1778310776 | ||||||
Subdomains
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NScbru.br.ns.els-gms.att.net2015-08-23 → 2026-05-09 · 2 obs
● 2026-05-09 07:38:36
●NScmtu.mt.ns.els-gms.att.net2015-08-23 → 2026-05-09 · 2 obs
● 2026-05-09 07:38:36
●NSxbru.br.ns.els-gms.att.net2015-08-23 → 2026-05-09 · 2 obs
● 2026-05-09 07:38:36
●MXmail.ibew.com2015-08-23 → 2026-05-09 · 2 obs
● 2026-05-09 07:38:36
●A12.4.113.1052015-08-23 → 2026-05-09 · 2 obs
● 2026-05-09 07:38:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| ibew.com | cbru.br.ns.els-gms.att.net, cmtu.mt.ns.els-gms.att.net | - |
✅ Authoritative Response
Server:99.99.99.132
NS records: cbru.br.ns.els-gms.att.net, cmtu.mt.ns.els-gms.att.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ibew.com (unsigned zone)
⏱️ Timing
Total: 505ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 12.4.113.105 |
| NS | 2 | cbru.br.ns.els-gms.att.net, cmtu.mt.ns.els-gms.att.net |
| MX | 1 | mail.ibew.com (pri: 10) |
| TXT | 3 | _vjcc4ac7y7vrlx2x12ezsl2roixchta, _7gsaz3ss11z9fejeeon40a88fq7vdkx... |
| SOA | 1 | xbru.br.ns.els-gms.att.net rm-hostmaster |
Analysis
Hierarchy
ibew.com is a parent of mail.ibew.com, www.ibew.com and erts.ibew.com.
IP Addresses
ibew.com points to IP number: 12.4.113.105.
Other host names such as ibewmade.us, www.ibew.com, ibewmade.net, ibewutilitytraining.net and ibewmade.info share IPs with ibew.com.
Name Servers
ibew.com is delegated to three name servers: cbru.br.ns.els-gms.att.net, xbru.br.ns.els-gms.att.net and cmtu.mt.ns.els-gms.att.net.
ibew.com at least partially shares name servers with other domains, for instance 231.7.199.in-addr.arpa, stanislaus-da.org, goldmansachsbankonlinebanking.com, xn--kcru49e9xi.com and ups-europe.com.
These name servers are commonly used alongside dbru.br.ns.els-gms.att.net, dmtu.mt.ns.els-gms.att.net, ns9.customer.level3.net, ns6.customer.level3.net, dns3.carnival.com, nsa.ups.com, nsb.ups.com, shadowcat-i.ups.com, auth1.dns.cogentco.com and auth2.dns.cogentco.com.
Host names with two IP numbers:
cbru.br.ns.els-gms.att.net points to: 2001:1890:1ff:9f0:68:94:156:132 and 68.94.156.132.
cmtu.mt.ns.els-gms.att.net points to: 2001:1890:1ff:9f1:99:99:99:132 and 99.99.99.132.
Host names with one IP number:
xbru.br.ns.els-gms.att.net points to: 127.0.0.1.
Mail Servers
ibew.com is handled by a single mail server, mail.ibew.com.
mail.ibew.com points to a single IP: 12.4.113.11.